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Thread: Application freeze for long period !!!

  1. #1
    shtal is offline Starter Member
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    Default Application freeze for long period !!!

    Hi All,

    I have a problem with my application that get into freeze from time to time.
    Freeze can happen for 2sec till 90 seconds in worst case.

    I catch the latest freeze event of 22 seconds in GC logs.

    JVM parameters -
    -Xms2000m -Xmx2000m -Xmn1512m -XX:ParallelGCThreads=4 -XX:+UseConcMarkSweepGC
    -XX:+UseParNewGC -XX:SurvivorRatio=6 -XX:StackShadowPages=20

    Total 2GB allocated for Java heap -
    Young 1.5GB (eden - ~1.1GB, S0/S1 - 0.2GB each)
    Old heap - 0.5GB


    The event started when from was 99% used --> "Promotion failed" --> freeze.
    My questions -

    1. Does the current Young & Old are reasonable ?

    2. What can be the reason that promotion is failed ?
    2014-06-13T23:07:57.485+0900: 155248.482: [GC 155248.482: [ParNew (promotion failed)

    3. What is the reason for such long pause of the application -
    Total time for which application threads were stopped: 2.4207430 seconds
    Total time for which application threads were stopped: 18.7238040 seconds
    Total time for which application threads were stopped: 0.0251830 seconds









    GC log of relevant part -

    {Heap before GC invocations=13498 (full 44):
    par new generation total 1354752K, used 1117080K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 79% used [0x0000000773000000, 0x00000007ab5e6198, 0x00000007b9e00000)
    from space 193536K, 99% used [0x00000007c5b00000, 0x00000007d17ffff8, 0x00000007d1800000)
    to space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    concurrent mark-sweep generation total 499712K, used 319670K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 78012K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    2014-06-13T23:07:57.485+0900: 155248.482: [GC 155248.482: [ParNew (promotion failed)
    Desired survivor size 99090432 bytes, new threshold 15 (max 15)
    - age 1: 9149864 bytes, 9149864 total
    : 1117080K->937373K(1354752K), 0.2369080 secs]155248.719: [CMS: 329262K->279877K(499712K), 1.2246100 secs] 1436750K->624685K(1854464K), [CMS Perm : 78012K->77968K(129948K)], 1.4623010 secs] [Times: user=1.53 sys=0.00, real=1.46 secs]
    Heap after GC invocations=13499 (full 45):
    par new generation total 1354752K, used 344807K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 29% used [0x0000000773000000, 0x00000007880b9db8, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    to space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    concurrent mark-sweep generation total 499712K, used 279877K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77968K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    }
    Total time for which application threads were stopped: 1.4664280 seconds
    {Heap before GC invocations=13499 (full 45):
    par new generation total 1354752K, used 1161216K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 100% used [0x0000000773000000, 0x00000007b9e00000, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    to space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    concurrent mark-sweep generation total 499712K, used 279877K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77975K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    2014-06-13T23:08:01.005+0900: 155252.002: [GC 155252.003: [ParNew (promotion failed)
    Desired survivor size 99090432 bytes, new threshold 15 (max 15)
    - age 1: 8067744 bytes, 8067744 total
    - age 2: 1368 bytes, 8069112 total
    : 1161216K->1170156K(1354752K), 0.1757800 secs]155252.178: [CMS: 279879K->279594K(499712K), 1.4956760 secs] 1441093K->958983K(1854464K), [CMS Perm : 77975K->77968K(129948K)], 1.6722510 secs] [Times: user=2.01 sys=0.00, real=1.68 secs]
    8Heap after GC invocations=13500 (full 46):
    par new generation total 1354752K, used 679388K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 58% used [0x0000000773000000, 0x000000079c7772f0, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    to space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    concurrent mark-sweep generation total 499712K, used 279594K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77968K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    }
    Total time for which application threads were stopped: 1.6760950 seconds
    {Heap before GC invocations=13500 (full 46):
    par new generation total 1354752K, used 1161216K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 100% used [0x0000000773000000, 0x00000007b9e00000, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    to space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    concurrent mark-sweep generation total 499712K, used 279594K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77972K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    2014-06-13T23:08:10.279+0900: 155261.276: [GC 155261.277: [ParNew (promotion failed)
    Desired survivor size 99090432 bytes, new threshold 15 (max 15)
    - age 1: 10130824 bytes, 10130824 total
    - age 3: 752 bytes, 10131576 total
    : 1161216K->1173851K(1354752K), 0.2877670 secs]155261.564: [CMS: 279596K->278815K(499712K), 0.9774900 secs] 1440810K->959160K(1854464K), [CMS Perm : 77972K->77968K(129948K)], 1.2660110 secs] [Times: user=1.59 sys=0.01, real=1.27 secs]
    Heap after GC invocations=13501 (full 47):
    par new generation total 1354752K, used 680344K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 58% used [0x0000000773000000, 0x000000079c866328, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    to space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    concurrent mark-sweep generation total 499712K, used 278815K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77968K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    }
    Total time for which application threads were stopped: 1.2698620 seconds
    {Heap before GC invocations=13501 (full 47):
    par new generation total 1354752K, used 1161216K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 100% used [0x0000000773000000, 0x00000007b9e00000, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    to space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    concurrent mark-sweep generation total 499712K, used 278815K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77970K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    2014-06-13T23:08:20.236+0900: 155271.234: [GC 155271.234: [ParNew (promotion failed)
    Desired survivor size 99090432 bytes, new threshold 15 (max 15)
    - age 1: 17754464 bytes, 17754464 total
    - age 2: 752 bytes, 17755216 total
    - age 4: 752 bytes, 17755968 total
    : 1161216K->1180375K(1354752K), 0.2798510 secs]155271.514: [CMS: 278817K->278415K(499712K), 1.0681130 secs] 1440031K->966919K(1854464K), [CMS Perm : 77970K->77968K(129948K)], 1.3490840 secs] [Times: user=1.68 sys=0.00, real=1.35 secs]
    Heap after GC invocations=13502 (full 48):
    par new generation total 1354752K, used 688503K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 59% used [0x0000000773000000, 0x000000079d05dea8, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    to space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    concurrent mark-sweep generation total 499712K, used 278415K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77968K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    }
    Total time for which application threads were stopped: 1.3528280 seconds
    {Heap before GC invocations=13502 (full 48):
    par new generation total 1354752K, used 796506K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 68% used [0x0000000773000000, 0x00000007a39d6868, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    to space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    concurrent mark-sweep generation total 499712K, used 278415K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77970K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    2014-06-13T23:08:23.126+0900: 155274.123: [GC 155274.124: [ParNew (promotion failed)
    Desired survivor size 99090432 bytes, new threshold 15 (max 15)
    - age 1: 11165704 bytes, 11165704 total
    - age 2: 520 bytes, 11166224 total
    - age 3: 448 bytes, 11166672 total
    - age 5: 752 bytes, 11167424 total
    : 796506K->809165K(1354752K), 0.1468970 secs]155274.271: [CMS: 278417K->278340K(499712K), 0.9496070 secs] 1074921K->956444K(1854464K), [CMS Perm : 77970K->77968K(129948K)], 1.0976500 secs] [Times: user=1.43 sys=0.00, real=1.10 secs]
    Heap after GC invocations=13503 (full 49):
    par new generation total 1354752K, used 678104K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 58% used [0x0000000773000000, 0x000000079c636138, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    to space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    concurrent mark-sweep generation total 499712K, used 278340K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77968K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    }
    {Heap before GC invocations=13503 (full 49):
    par new generation total 1354752K, used 678104K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 58% used [0x0000000773000000, 0x000000079c636138, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    to space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    concurrent mark-sweep generation total 499712K, used 278340K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77968K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    2014-06-13T23:08:24.224+0900: 155275.221: [Full GC 155275.222: [CMS: 278340K->277808K(499712K), 1.3182750 secs] 956444K->955903K(1854464K), [CMS Perm : 77968K->77884K(129948K)], 1.3188000 secs] [Times: user=1.32 sys=0.00, real=1.32 secs]
    Heap after GC invocations=13504 (full 50):
    par new generation total 1354752K, used 678094K [0x0000000773000000, 0x00000007d1800000, 0x00000007d1800000)
    eden space 1161216K, 58% used [0x0000000773000000, 0x000000079c6339e0, 0x00000007b9e00000)
    from space 193536K, 0% used [0x00000007b9e00000, 0x00000007b9e00000, 0x00000007c5b00000)
    to space 193536K, 0% used [0x00000007c5b00000, 0x00000007c5b00000, 0x00000007d1800000)
    concurrent mark-sweep generation total 499712K, used 277808K [0x00000007d1800000, 0x00000007f0000000, 0x00000007f0000000)
    concurrent-mark-sweep perm gen total 129948K, used 77884K [0x00000007f0000000, 0x00000007f7ee7000, 0x0000000800000000)
    }
    Total time for which application threads were stopped: 2.4207430 seconds
    Total time for which application threads were stopped: 18.7238040 seconds
    Total time for which application threads were stopped: 0.0251830 seconds
    Total time for which application threads were stopped: 0.0028720 seconds
    Total time for which application threads were stopped: 0.0028710 seconds
    Total time for which application threads were stopped: 0.0026320 seconds
    Total time for which application threads were stopped: 0.0057960 seconds
    Total time for which application threads were stopped: 0.0028410 seconds
    Total time for which application threads were stopped: 0.0029850 seconds
    Total time for which application threads were stopped: 0.0028390 seconds
    Total time for which application threads were stopped: 0.0028030 seconds
    Total time for which application threads were stopped: 0.0025940 seconds
    Total time for which application threads were stopped: 0.0029650 seconds
    Total time for which application threads were stopped: 0.0026480 seconds
    Total time for which application threads were stopped: 0.0029000 seconds
    Total time for which application threads were stopped: 0.0026700 seconds

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by shtal View Post
    I have a problem with my application that get into freeze from time to time.
    Which application? If you're talking about a Zimbra server then you should always tell us the version by posting the output of the following command (and update your forum profile with this info):

    Code:
    zmcontrol -v
    Under what circumstances does this happen? Is that a VM or real hardware? What are the specification of the ZCS host (especially RAM)? What debugging steps have you taken to check what might be causing the problem? Have you looked at other threads on these forum that cover this topic?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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