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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2022/06/28 01:51:36 UTC
[GitHub] [dubbo] linqiny opened a new issue, #10219: 内存溢出
linqiny opened a new issue, #10219:
URL: https://github.com/apache/dubbo/issues/10219
利用dubbo进行小文件二进制byte[]传输时，在提供方端byte[]对象无法被回收导致内存溢出
dubbo版本2.7.8
26 instances of "org.apache.dubbo.common.threadlocal.InternalThread", loaded by "sun.misc.Launcher$AppClassLoader @ 0xf0615a70" occupy 151,057,776 (69.86%) bytes.
Biggest instances:
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf48cf240 DubboServerHandler-10.55.0.37:20880-thread-3 - 6,342,400 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf5c18078 DubboServerHandler-10.55.0.37:20880-thread-10 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf5c18470 DubboServerHandler-10.55.0.37:20880-thread-11 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf5c18868 DubboServerHandler-10.55.0.37:20880-thread-12 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf5c18c60 DubboServerHandler-10.55.0.37:20880-thread-13 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf8c7d520 DubboServerHandler-10.55.0.37:20880-thread-14 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf8c7d9a8 DubboServerHandler-10.55.0.37:20880-thread-15 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf8c7dda0 DubboServerHandler-10.55.0.37:20880-thread-16 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf8c7e198 DubboServerHandler-10.55.0.37:20880-thread-17 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf8c7e590 DubboServerHandler-10.55.0.37:20880-thread-18 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xfaac03d8 DubboServerHandler-10.55.0.37:20880-thread-19 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xfaac07d0 DubboServerHandler-10.55.0.37:20880-thread-20 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xfaac0bc8 DubboServerHandler-10.55.0.37:20880-thread-21 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xfbce6508 DubboServerHandler-10.55.0.37:20880-thread-22 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xfbce6900 DubboServerHandler-10.55.0.37:20880-thread-23 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xfc903568 DubboServerHandler-10.55.0.37:20880-thread-24 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xfcf10aa0 DubboServerHandler-10.55.0.37:20880-thread-25 - 6,339,336 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf51f5fb0 DubboServerHandler-10.55.0.37:20880-thread-4 - 6,339,328 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf51f6390 DubboServerHandler-10.55.0.37:20880-thread-5 - 6,339,328 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf5c170b0 DubboServerHandler-10.55.0.37:20880-thread-6 - 6,339,328 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf5c174a0 DubboServerHandler-10.55.0.37:20880-thread-7 - 6,339,328 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf5c17890 DubboServerHandler-10.55.0.37:20880-thread-8 - 6,339,328 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xf5c17c80 DubboServerHandler-10.55.0.37:20880-thread-9 - 6,339,328 (2.93%) bytes.
•org.apache.dubbo.common.threadlocal.InternalThread @ 0xfd822e68 DubboServerHandler-10.55.0.37:20880-thread-26 - 5,249,216 (2.43%) bytes.
Keywords
org.apache.dubbo.common.threadlocal.InternalThread
sun.misc.Launcher$AppClassLoader @ 0xf0615a70
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[GitHub] [dubbo] AlbumenJ commented on issue #10219: 内存溢出
Posted by GitBox <gi...@apache.org>.
AlbumenJ commented on issue #10219:
URL: https://github.com/apache/dubbo/issues/10219#issuecomment-1169470678
> 该问题可以必现，在`Hessian2ObjectInput`中的ThreadLocal，关联了`Hessian2Input`, 而该对象又关联了一个`UnsafeByteArrayInputStream`，该流会引用一个完整的byte[]数组
这个 ThreadLocal 是可以删掉的，在 3.0 分支已经移除了，你方便帮忙提个 pr 在 2.7 的分支修复下吗
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[GitHub] [dubbo] icodening commented on issue #10219: 内存溢出
Posted by GitBox <gi...@apache.org>.
icodening commented on issue #10219:
URL: https://github.com/apache/dubbo/issues/10219#issuecomment-1169466550
该问题可以必现，在``Hessian2ObjectInput``中的ThreadLocal，关联了``Hessian2Input``, 而该对象又关联了一个``UnsafeByteArrayInputStream``，该流会引用一个完整的byte[]数组
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[GitHub] [dubbo] icodening commented on issue #10219: 内存溢出
Posted by GitBox <gi...@apache.org>.
icodening commented on issue #10219:
URL: https://github.com/apache/dubbo/issues/10219#issuecomment-1169474077
> > 该问题可以必现，在`Hessian2ObjectInput`中的ThreadLocal，关联了`Hessian2Input`, 而该对象又关联了一个`UnsafeByteArrayInputStream`，该流会引用一个完整的byte[]数组
>
> 这个 ThreadLocal 是可以删掉的，在 3.0 分支已经移除了，你方便帮忙提个 pr 在 2.7 的分支修复下吗
嗯嗯 可以的
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[GitHub] [dubbo] AlbumenJ commented on issue #10219: 内存溢出
Posted by GitBox <gi...@apache.org>.
AlbumenJ commented on issue #10219:
URL: https://github.com/apache/dubbo/issues/10219#issuecomment-1168634567
能看下那个 threadlocal 是被哪个类所持有的吗
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[GitHub] [dubbo] xishian commented on issue #10219: 内存溢出
Posted by GitBox <gi...@apache.org>.
xishian commented on issue #10219:
URL: https://github.com/apache/dubbo/issues/10219#issuecomment-1209000024
> 该问题可以必现，在`Hessian2ObjectInput`中的ThreadLocal，关联了`Hessian2Input`, 而该对象又关联了一个`UnsafeByteArrayInputStream`，该流会引用一个完整的byte[]数组
观察到的现象就是堆外内存不断升高，直到OOM？
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[GitHub] [dubbo] AlbumenJ closed issue #10219: 内存溢出
Posted by GitBox <gi...@apache.org>.
AlbumenJ closed issue #10219: 内存溢出
URL: https://github.com/apache/dubbo/issues/10219
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