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Thread: Tuning values 16 gb ram

  1. #1

    Default Tuning values 16 gb ram

    Hi,

    Our server has 16 Gb ram. We use linux, latest wowza and latest Oracle's jdk.

    Here is head of our setenv.sh

    #!/bin/sh
    
    _EXECJAVA=java
    
    JAVA_OPTS="$JAVA_OPTS -Xmx10000M"
    
    # Uncomment to run server environment (faster), Note: will only work if server VM install, comes with JDL
    JAVA_OPTS="$JAVA_OPTS -server"
    
    # Can be a better GC setting to avoid long pauses
    JAVA_OPTS="$JAVA_OPTS -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+UseLargePages -XX:+UseParNewGC -XX:NewSize=512m"
    And wowza works fine about 10 hours. But than memory which it allocates grows from 11Gb to 50Gb.
    We have 50 1 Mbit channels 50 50Kbit and 50 200Kbit input channels (to achive adaptive bitrate) with nDVR which writes only 1 Mbit channels.

    How can we tune this?

    We also can drop caches like: /bin/sync; echo 1 > /proc/sys/vm/drop_caches

    Thanks.
    Last edited by xzerth; 03-26-2012 at 01:15 AM.

  2. #2

    Default

    If you are running any custom modules you can investigate using JConsole as mentioned in the User Guide.

  3. #3
    Join Date
    Sep 2011
    Posts
    1,920

    Default

    Hi
    Take a look at the tuning guide here,
    http://www.wowza.com/forums/content....ormance-Tuning

    Jason

  4. #4

    Default

    Hi,
    No I don't use any custom modules except that your team provide.

    Richard what should I investigate with Jconsole? If I set small heap size like 8gb and G1experimental settings to GC my wowza just hangs after some time with OutOfMemory exception. And what can I do? If I try Incremental mode with 10gb wowza allocates 40gb and hangs after some time because we have no memory.


    There are some data when things became bad and wowza hangs:
    ps aux
    USER****** PID %CPU %MEM*** VSZ** RSS TTY***** STAT START** TIME COMMAND
    root***** 3907* 314* 7.4 34348532 1220848 pts/2 Sl+ Mar25 3635:06 /usr/lib/jvm/oracle-jdk-bin-1.7/bin/java
    
    VSZ=34348532 = 32Gbyte
    RSS=1220848 = 1.2Gbyte
    
    # cat meminfo
    MemTotal:****** 16405628 kB
    MemFree:******** 2974680 kB
    Buffers:************ 300 kB
    Cached:********** 130044 kB
    SwapCached:*********** 0 kB
    Active:********* 2204512 kB
    Inactive:******** 119440 kB
    Active(anon):*** 2193952 kB
    Inactive(anon):**** 1300 kB
    Active(file):***** 10560 kB
    Inactive(file):** 118140 kB
    Unevictable:********** 0 kB
    Mlocked:************** 0 kB
    SwapTotal:************ 0 kB
    SwapFree:************* 0 kB
    Dirty:************** 188 kB
    Writeback:************ 0 kB
    AnonPages:****** 2193972 kB
    Mapped:*********** 11240 kB
    Shmem:************* 1300 kB
    Slab:************ 430208 kB
    SReclaimable:**** 228308 kB
    SUnreclaim:****** 201900 kB
    KernelStack:***** 258760 kB
    PageTables:******* 68532 kB
    NFS_Unstable:********* 0 kB
    Bounce:*************** 0 kB
    WritebackTmp:********* 0 kB
    CommitLimit:**** 3123772 kB
    Committed_AS:** 33835988 kB
    VmallocTotal:** 34359738367 kB
    VmallocUsed:****** 77508 kB
    VmallocChunk:** 34359656532 kB
    HardwareCorrupted:**** 0 kB
    AnonHugePages:***** 2048 kB
    HugePages_Total:*** 4960
    HugePages_Free:****** 25

  5. #5
    Join Date
    Dec 2007
    Posts
    22,013

    Default

    We don't recommend setting java heap size that high. Try 6000m - 8000M

    JAVA_OPTS="$JAVA_OPTS -Xmx6000M"

    And try without the last GC setting. But you might make the java heap size change first, separately. See how much that improves, then try without the GC setting for long pauses.

    Richard

  6. #6

    Default

    Hi,

    Recently we set heap size 9 Gb and here you can see what we get:







    Is it normal that live threads value grows?

    At now we use heap size 6Gb but also get the same:







    Number of thread grows...

    Do you need more information like dump thread stack or dump heap size?

    What's wrong?
    Last edited by xzerth; 03-27-2012 at 03:26 AM.

  7. #7
    Join Date
    Dec 2007
    Posts
    22,013

    Default

    The JConsole screen shots look normal. If you have no custom modules and you are hitting outOfMemory it is most likely simply that are overloading the server.

    We have 50 1 Mbit channels 50 50Kbit and 50 200Kbit input channels (to achive adaptive bitrate) with nDVR which writes only 1 Mbit channels.
    That's a lot of incoming streams. Are you using the Wowza Transcoder? Either way, it's a lot. I think you will have to add hardware.

    Richard

  8. #8

    Default

    We have got our own transcoder which has good quality of compression.

    What's the problem? Why this number of channels so lot?

    You say that our graphs is normal? So it is normal that live threads grows up?

    With default wowza settings our wowza hangs after 7 hours.

    top - 18:00:44 up  5:48,  4 users,  load average: 0.94, 1.00, 1.15
    Tasks: 123 total,   1 running, 122 sleeping,   0 stopped,   0 zombie
    Cpu(s):  8.4%us,  0.2%sy,  0.0%ni, 91.4%id,  0.0%wa,  0.0%hi,  0.1%si,  0.0%st
    Mem:  16405628k total, 16160040k used,   245588k free,    12476k buffers
    Swap:        0k total,        0k used,        0k free,  8237652k cached
    INFO server comment - LiveStreamPacketizerCupertino.init[live/_definst_/vopr_i_otv_576p.stream]: chunkDurationTarget: 3000 - -
    INFO server comment - LiveStreamPacketizerCupertino.init[live/_definst_/vopr_i_otv_576p.stream]: chunkDurationTolerance: 500 - -
    INFO server comment - LiveStreamPacketizerCupertino.init[live/_definst_/vopr_i_otv_576p.stream]: audioGroupCount: 3 - -
    Exception in thread "Thread-2415" Exception in thread "VHostTransport._defaultVHost_.172" Exception in thread "VHostTransport._defaultVHost_.127" Exception in thread "Thread-149" Exception in thread "Thread-6927" Exception in thread "Thread-911" Exception in thread "Thread-76" Exception in thread "VHostHandler._defaultVHost_.242" Exception in thread "VHostHandler._defaultVHost_.398" Exception in thread "Thread-334"
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-83"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-252"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-931"
    Exception in thread "VHostHandler._defaultVHost_.144" Exception in thread "Thread-141"
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-3841"
    Exception in thread "Thread-90"
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-3843"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-300"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-127"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-190"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "VHostTransport._defaultVHost_.255"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-130"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-355"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-278"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "VHostTransport._defaultVHost_.268"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "VHostTransport._defaultVHost_.240"
    
    Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-115"
    Last edited by xzerth; 03-27-2012 at 07:33 AM.

  9. #9
    Join Date
    Dec 2007
    Posts
    22,013

    Default

    The snapshot looks normal anyway, but obviously you are heading to this outOfMemory so something is not okay. From my understanding, and experience with other support cases, the number of incoming streams has its own limits, bandwidth is not the limiting factor, as with number of subscribing clients, it is the server. 100 incoming streams is very good, that is about the usual limit for a typical high performance server. The best I have heard of is 200. You have 150. I would split that between two good (late model quad or dual quad cpu, 4 - 8g ram, 64bit OS/Java, 1 - 4gbs nic) servers.

    Richard

  10. #10

    Default

    I think we can reduce heap size because of we don't catch error like "Java heap size".
    Our errors from exceptions in threads which wowza generates many and after it jvm didn't reduce this value, it's only grows. Ho we can influence on this?

    How much memory "common" thread of such scenario needs? I mean how small can I set Xss parameter?

    I post here our limits in system:
    ulimit -a
    core file size          (blocks, -c) 0
    data seg size           (kbytes, -d) unlimited
    scheduling priority             (-e) 0
    file size               (blocks, -f) unlimited
    pending signals                 (-i) 128146
    max locked memory       (kbytes, -l) 12582912
    max memory size         (kbytes, -m) unlimited
    open files                      (-n) 32768
    pipe size            (512 bytes, -p) 8
    POSIX message queues     (bytes, -q) 819200
    real-time priority              (-r) 0
    stack size              (kbytes, -s) 8192
    cpu time               (seconds, -t) unlimited
    max user processes              (-u) 32000
    virtual memory          (kbytes, -v) unlimited
    file locks                      (-x) unlimited
    thread-max:
    cat /proc/sys/kernel/threads-max
    256292
    java:
    java -version
    java version "1.7.0_03"
    Java(TM) SE Runtime Environment (build 1.7.0_03-b04)
    Java HotSpot(TM) 64-Bit Server VM (build 22.1-b02, mixed mode)

    Here is our server info:

    Kernel:
    Linux 3.2.9-hardened-r1 #5 SMP Tue Mar 27 12:04:41 MSK 2012 x86_64 Intel(R) Xeon(R) CPU E5649 @ 2.53GHz GenuineIntel GNU/Linux
    CPU:
    cat /proc/cpuinfo 
    processor	: 0
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 0
    cpu cores	: 6
    apicid		: 0
    initial apicid	: 0
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5067.25
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 1
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 8
    cpu cores	: 6
    apicid		: 16
    initial apicid	: 16
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.81
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 2
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 2
    cpu cores	: 6
    apicid		: 4
    initial apicid	: 4
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.79
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 3
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 10
    cpu cores	: 6
    apicid		: 20
    initial apicid	: 20
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.79
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 4
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 1
    cpu cores	: 6
    apicid		: 2
    initial apicid	: 2
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.79
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 5
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 9
    cpu cores	: 6
    apicid		: 18
    initial apicid	: 18
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.81
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 6
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 0
    cpu cores	: 6
    apicid		: 1
    initial apicid	: 1
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.79
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 7
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 8
    cpu cores	: 6
    apicid		: 17
    initial apicid	: 17
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.80
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 8
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 2
    cpu cores	: 6
    apicid		: 5
    initial apicid	: 5
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.79
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 9
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 10
    cpu cores	: 6
    apicid		: 21
    initial apicid	: 21
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.81
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 10
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 1
    cpu cores	: 6
    apicid		: 3
    initial apicid	: 3
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.80
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    
    processor	: 11
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz
    stepping	: 2
    microcode	: 0x14
    cpu MHz		: 2533.625
    cache size	: 12288 KB
    physical id	: 0
    siblings	: 12
    core id		: 9
    cpu cores	: 6
    apicid		: 19
    initial apicid	: 19
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 11
    wp		: yes
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_shadow vnmi flexpriority ept vpid
    bogomips	: 5066.79
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 40 bits physical, 48 bits virtual
    power management:
    And also our Server.xml and Vhost.xml
    Server.xml:
    <Root>
            <Server>
                    <CommandInterface>
                            <HostPort>
                                    <IpAddress>*</IpAddress>
                                    <Port>8083</Port>
                            </HostPort>
                    </CommandInterface>
                    <AdminInterface>
                            <!-- Objects exposed through JMX interface: Server, VHost, VHostItem, Application, ApplicationInstance, MediaCaster, Module, Client, MediaStream, SharedObject, Acceptor, IdleWorker -->
                            <ObjectList>Server,VHost,VHostItem,Application,ApplicationInstance,MediaCaster,Client,MediaStream,Module,IdleWorker</ObjectList>
                    </AdminInterface>
                    <!-- JMXUrl: service:jmx:rmi://localhost:8084/jndi/rmi://localhost:8085/jmxrmi -->
                    <JMXRemoteConfiguration>
                            <Enable>true</Enable>
                            <IpAddress>localhost</IpAddress> <!-- set to localhost or internal ip address if behind NAT -->
                            <RMIServerHostName>localhost</RMIServerHostName> <!-- set to external ip address or domain name if behind NAT -->
                            <RMIConnectionPort>8084</RMIConnectionPort>
                            <RMIRegistryPort>8085</RMIRegistryPort>
                            <Authenticate>false</Authenticate>
                            <PasswordFile>${com.wowza.wms.ConfigHome}/conf/jmxremote.password</PasswordFile>
                            <AccessFile>${com.wowza.wms.ConfigHome}/conf/jmxremote.access</AccessFile>
                            <SSLSecure>false</SSLSecure>
                    </JMXRemoteConfiguration>
                    <UserAgents>Shockwave Flash|CFNetwork|MacNetwork/1.0 (Macintosh)</UserAgents>
                    <ServerListeners>
                            <!--
                            <ServerListener>
                                    <BaseClass>com.wowza.wms.plugin.loadbalancer.ServerListenerLoadBalancerListener</BaseClass>
                            </ServerListener>
                            -->
                            <!--
                            <ServerListener>
                                    <BaseClass>com.wowza.wms.plugin.loadbalancer.ServerListenerLoadBalancerSender</BaseClass>
                            </ServerListener>
                            -->
                    </ServerListeners>
                    <VHostListeners>
                            <!--
                            <VHostListener>
                                    <BaseClass></BaseClass>
                            </VHostListener>
                            -->
                    </VHostListeners>
                    <HandlerThreadPool>
                            <PoolSize>10</PoolSize>
                    </HandlerThreadPool>
                    <TransportThreadPool>
                            <PoolSize>10</PoolSize>
                    </TransportThreadPool>
                    <RTP>
                            <DatagramStartingPort>6970</DatagramStartingPort>
                            <DatagramPortSharing>false</DatagramPortSharing>
                    </RTP>
                    <!-- Properties defined here will be added to the IServer.getProperties() collection -->
                    <Properties>
                    </Properties>
            </Server>
    </Root>
    VHost.xml:
    	<VHost>
    		<HostPortList>
    			<HostPort>
    				<ProcessorCount>12</ProcessorCount>
    				<IpAddress>*</IpAddress>
    				<!-- Separate multiple ports with commas -->
    				<!-- 80: HTTP, RTMPT -->
    				<!-- 554: RTSP -->
    				<Port>1935,80</Port>
    				<SocketConfiguration>
    					<ReuseAddress>true</ReuseAddress>
    					<!-- suggested settings for video on demand applications -->
    					<ReceiveBufferSize>24000</ReceiveBufferSize>
    					<SendBufferSize>65000</SendBufferSize>
    					<!-- suggest settings for low latency chat and video recording applications
    					<ReceiveBufferSize>16000</ReceiveBufferSize>
    					<SendBufferSize>16000</SendBufferSize>
    					-->
    					<KeepAlive>true</KeepAlive>
    					<!-- <TrafficClass>0</TrafficClass> -->
    					<!-- <OobInline>false</OobInline> -->
    					<!-- <SoLingerTime>-1</SoLingerTime> -->
    					<!-- <TcpNoDelay>false</TcpNoDelay> -->
    					<AcceptorBackLog>100</AcceptorBackLog>
    				</SocketConfiguration>
    				<HTTPStreamerAdapterIDs>cupertinostreaming,smoothstreaming,sanjosestreaming,dvrchunkstreaming</HTTPStreamerAdapterIDs>
    				<HTTPProviders>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPCrossdomain</BaseClass>
    						<RequestFilters>*crossdomain.xml</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPClientAccessPolicy</BaseClass>
    						<RequestFilters>*clientaccesspolicy.xml</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPProviderMediaList</BaseClass>
    						<RequestFilters>*jwplayer.rss|*medialist.smil|*manifest-rtmp.f4m</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPServerVersion</BaseClass>
    						<RequestFilters>*</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    				</HTTPProviders>
    			</HostPort>
    			
    			<!-- 443 with SSL -->
    			<!--
    			<HostPort>
    				<ProcessorCount>4</ProcessorCount>
    				<IpAddress>*</IpAddress>
    				<Port>443</Port>
    				<SSLConfig>
    					<KeyStorePath>${com.wowza.wms.context.VHostConfigHome}/conf/keystore.cert</KeyStorePath>
    					<KeyStorePassword>[password]</KeyStorePassword>
    					<KeyStoreType>JKS</KeyStoreType>
    					<SSLProtocol>TLS</SSLProtocol>
    					<Algorithm>SunX509</Algorithm>
    					<CipherSuites></CipherSuites>
    					<Protocols></Protocols>
    				</SSLConfig>
    				<SocketConfiguration>
    					<ReuseAddress>true</ReuseAddress>
    					<ReceiveBufferSize>24000</ReceiveBufferSize>
    					<SendBufferSize>65000</SendBufferSize>
    					<KeepAlive>true</KeepAlive>
    					<AcceptorBackLog>100</AcceptorBackLog>
    				</SocketConfiguration>
    				<HTTPStreamerAdapterIDs>cupertinostreaming,smoothstreaming,sanjosestreaming,dvrchunkstreaming</HTTPStreamerAdapterIDs>
    				<HTTPProviders>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPCrossdomain</BaseClass>
    						<RequestFilters>*crossdomain.xml</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPClientAccessPolicy</BaseClass>
    						<RequestFilters>*clientaccesspolicy.xml</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPProviderMediaList</BaseClass>
    						<RequestFilters>*jwplayer.rss|*medialist.smil|*manifest-rtmp.f4m</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPServerVersion</BaseClass>
    						<RequestFilters>*</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    				</HTTPProviders>
    			</HostPort>
    			-->
    			
    			<!-- Admin HostPort -->
    			<HostPort>
    				<ProcessorCount>1</ProcessorCount>
    				<IpAddress>*</IpAddress>
    				<Port>8086</Port>
    				<SocketConfiguration>
    					<ReuseAddress>true</ReuseAddress>
    					<ReceiveBufferSize>16000</ReceiveBufferSize>
    					<SendBufferSize>16000</SendBufferSize>
    					<KeepAlive>true</KeepAlive>
    					<AcceptorBackLog>100</AcceptorBackLog>
    				</SocketConfiguration>
    				<HTTPStreamerAdapterIDs></HTTPStreamerAdapterIDs>
    				<HTTPProviders>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.streammanager.HTTPStreamManager</BaseClass>
    						<RequestFilters>streammanager*</RequestFilters>
    						<AuthenticationMethod>admin-digest</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPServerInfoXML</BaseClass>
    						<RequestFilters>serverinfo*</RequestFilters>
    						<AuthenticationMethod>admin-digest</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPConnectionInfo</BaseClass>
    						<RequestFilters>connectioninfo*</RequestFilters>
    						<AuthenticationMethod>admin-digest</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPConnectionCountsXML</BaseClass>
    						<RequestFilters>connectioncounts*</RequestFilters>
    						<AuthenticationMethod>admin-digest</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.transcoder.httpprovider.HTTPTranscoderThumbnail</BaseClass>
    						<RequestFilters>transcoderthumbnail*</RequestFilters>
    						<AuthenticationMethod>admin-digest</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPProviderMediaList</BaseClass>
    						<RequestFilters>medialist*</RequestFilters>
    						<AuthenticationMethod>admin-digest</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.plugin.dvrstreamrecord.HTTPDvrStreamRecord</BaseClass>
    						<RequestFilters>dvrstreamrecord*</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.plugin.livestreamrecord.HTTPLiveStreamRecord</BaseClass>
    						<RequestFilters>livestreamrecord*</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    					<HTTPProvider>
    						<BaseClass>com.wowza.wms.http.HTTPServerVersion</BaseClass>
    						<RequestFilters>*</RequestFilters>
    						<AuthenticationMethod>none</AuthenticationMethod>
    					</HTTPProvider>
    				</HTTPProviders>
    			</HostPort>
    		
    		</HostPortList>
    		
    		<HTTPStreamerAdapters>
    			<HTTPStreamerAdapter>
    				<ID>smoothstreaming</ID>
    				<Name>smoothstreaming</Name>
    				<Properties>
    				</Properties>
    			</HTTPStreamerAdapter>
    			<HTTPStreamerAdapter>
    				<ID>cupertinostreaming</ID>
    				<Name>cupertinostreaming</Name>
    				<Properties>
    				</Properties>
    			</HTTPStreamerAdapter>
    			<HTTPStreamerAdapter>
    				<ID>sanjosestreaming</ID>
    				<Name>sanjosestreaming</Name>
    				<Properties>
    				</Properties>
    			</HTTPStreamerAdapter>
    			<HTTPStreamerAdapter>
    				<ID>dvrchunkstreaming</ID>
    				<Name>dvrchunkstreaming</Name>
    				<Properties>
    				</Properties>
    			</HTTPStreamerAdapter>
    		</HTTPStreamerAdapters>
    
    		<HandlerThreadPool>
    			<PoolSize>480</PoolSize>
    		</HandlerThreadPool>
    		<TransportThreadPool>
    			<PoolSize>320</PoolSize>
    		</TransportThreadPool>
    		<IdleWorkers>
    			<WorkerCount>12</WorkerCount>
    			<CheckFrequency>50</CheckFrequency>
    			<MinimumWaitTime>5</MinimumWaitTime>
    		</IdleWorkers>
    		<NetConnections>
    			<ProcessorCount>12</ProcessorCount>
    			<IdleFrequency>250</IdleFrequency>
    			<SocketConfiguration>
    				<ReuseAddress>true</ReuseAddress>
    				<ReceiveBufferSize>65000</ReceiveBufferSize>
    				<SendBufferSize>24000</SendBufferSize>
    				<KeepAlive>true</KeepAlive>
    				<!-- <TrafficClass>0</TrafficClass> -->
    				<!-- <OobInline>false</OobInline> -->
    				<!-- <SoLingerTime>-1</SoLingerTime> -->
    				<!-- <TcpNoDelay>false</TcpNoDelay> -->
    				<AcceptorBackLog>100</AcceptorBackLog>
    			</SocketConfiguration>
    		</NetConnections>
    		<HTTPTunnel>
    			<KeepAliveTimeout>2000</KeepAliveTimeout>
    		</HTTPTunnel>
    		<Client>
    			<ClientTimeout>90000</ClientTimeout>
    			<IdleFrequency>250</IdleFrequency>
    		</Client>
    		<!-- RTP/Authentication/Methods defined in Authentication.xml. Default setup includes; none, basic, digest -->
    		<RTP>
    			<IdleFrequency>75</IdleFrequency>
    			<DatagramConfiguration>
    				<Incoming>
    					<ReuseAddress>true</ReuseAddress>
    					<ReceiveBufferSize>2048000</ReceiveBufferSize>
    					<SendBufferSize>65000</SendBufferSize>
    					<MulticastBindToAddress>true</MulticastBindToAddress>
    					<MulticastInterfaceAddress>172.30.33.29</MulticastInterfaceAddress>
    					<!-- <TrafficClass>0</TrafficClass> -->
    					<MulticastTimeout>0</MulticastTimeout>
    					<DatagramMaximumPacketSize>8192</DatagramMaximumPacketSize>
    				</Incoming>
    				<Outgoing>
    					<ReuseAddress>true</ReuseAddress>
    					<ReceiveBufferSize>65000</ReceiveBufferSize>
    					<SendBufferSize>65000</SendBufferSize>
    					<!-- <MulticastBindToAddress>true</MulticastBindToAddress> -->
    					<!-- <MulticastInterfaceAddress>192.168.1.22</MulticastInterfaceAddress> -->
    					<!-- <TrafficClass>0</TrafficClass> -->
    					<MulticastTimeout>50</MulticastTimeout>
    					<DatagramMaximumPacketSize>4096</DatagramMaximumPacketSize>
    				</Outgoing>
    			</DatagramConfiguration>
    			<UnicastIncoming>
    				<ProcessorCount>12</ProcessorCount>
    			</UnicastIncoming>
    			<UnicastOutgoing>
    				<ProcessorCount>24</ProcessorCount>
    			</UnicastOutgoing>
    			<MulticastIncoming>
    				<ProcessorCount>12</ProcessorCount>
    			</MulticastIncoming>
    			<MulticastOutgoing>
    				<ProcessorCount>12</ProcessorCount>
    			</MulticastOutgoing>
    		</RTP>
    		<Application>
    			<ApplicationTimeout>60000</ApplicationTimeout>
    			<PingTimeout>12000</PingTimeout>
    			<ValidationFrequency>20000</ValidationFrequency>
    			<MaximumPendingWriteBytes>0</MaximumPendingWriteBytes>
    			<MaximumSetBufferTime>60000</MaximumSetBufferTime>
    		</Application>
    		<StartStartupStreams>true</StartStartupStreams>
    		<!-- Properties defined here will be added to the IVHost.getProperties() collection -->
    		<Properties>
    		</Properties>
    	</VHost>
    </Root>
    That how heap memory looks when wowza starts looks bad:


    Is it normal?

    And as you can see while wowza working there is a lot of memory cached:
    top - 00:28:45 up 12:16,  2 users,  load average: 1.31, 17.85, 42.17
    Tasks: 116 total,   1 running, 115 sleeping,   0 stopped,   0 zombie
    Cpu(s): 20.7%us,  2.9%sy,  0.0%ni, 73.6%id,  2.6%wa,  0.0%hi,  0.3%si,  0.0%st
    Mem:  16405628k total, 12422764k used,  3982864k free,     1360k buffers
    Swap:        0k total,        0k used,        0k free,  5991896k cached
    At this night we try to set this enviroment settings:
    #!/bin/sh
    
    _EXECJAVA=java
    #JAVA_OPTS="-Xms4000M"
    # maximum Java heap size
    JAVA_OPTS="$JAVA_OPTS -Xmx6000M -Xms6000M -Xss128K"
    
    # Uncomment to run server environment (faster), Note: will only work if server VM install, comes with JDL
    JAVA_OPTS="$JAVA_OPTS -server"
    
    # Can be a better GC setting to avoid long pauses
    JAVA_OPTS="$JAVA_OPTS -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+UseParNewGC"
    And wowza hangs, but at this time with heap size out of memory.
    Last edited by xzerth; 03-27-2012 at 10:43 PM.

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