?????? flink ????????????-metaspace ????

Tue, 28 Apr 2020 23:58:22 -0700 

????????????????




------------------ ???????? ------------------
??????:&nbsp;"Michael Ran"<[email protected]&gt;;
????????:&nbsp;2020??4??29??(??????) ????2:55
??????:&nbsp;"user-zh"<[email protected]&gt;;

????:&nbsp;Re:?????? flink ????????????-metaspace ????



?????????????? 
https://flink.apache.org/news/2020/04/21/memory-management-improvements-flink-1.10.html
?????????? https://issues.apache.org/jira/browse/FLINK-16406



?? 2020-04-29 14:09:21??"??????????????" <[email protected]&gt; ??????

https://gceasy.io/my-gc-report.jsp?p=YXJjaGl2ZWQvMjAyMC8wNC8yOC8tLWdjLmxvZy0tNC0xMC01Ng==&amp;channel=WEB


????????gceasy????????????????????log????????????????????????????????????????????log????????????????????????????????log????
------------------ ???????? ------------------
??????: "Xintong Song"<[email protected]&gt;;
????????: 2020??4??29??(??????) ????12:45
??????: "user-zh"<[email protected]&gt;;
????: Re: flink ????????????-metaspace ????


full GC ?????????????????????????????????????????????? GC 
log?????????????????????????????? full GC ????????????????????????
TM ??????????
????????metaspace OOM ???????????? GC ????????????????JVM ???????????????? 
GC??????????
heap/direct/metaspace ?????????????????????????????????? GC?????? GC 
???????????????????????????????????? OOM??
???????????????????? TM ?? 64G ???????????????????????? java heap 
?????????????????????????????????? GC ??????

Thank you~

Xintong Song



On Wed, Apr 29, 2020 at 12:27 PM ?????????????? <[email protected]&gt; wrote:

&gt; ???? 
memory????????????????????????????????????????????????????????????????????????full
&gt; 
gc??????????taskmanager??????????????????????job??????metaspace??????????????
&gt; ????????????????????????????????????fullgc??????????????????
&gt;
&gt;
&gt;
&gt;
&gt;
&gt; ------------------&amp;nbsp;????????&amp;nbsp;------------------
&gt; ??????:&amp;nbsp;"Xintong Song"<[email protected]&amp;gt;;
&gt; ????????:&amp;nbsp;2020??4??29??(??????) ????11:00
&gt; ??????:&amp;nbsp;"user-zh"<[email protected]&amp;gt;;
&gt;
&gt; ????:&amp;nbsp;Re: flink ????????????-metaspace ????
&gt;
&gt;
&gt;
&gt; Metaspace OOM ?????? JVM ????????????????????TM ?????? 1568m ?????? 
65536m???????????? slot
&gt; ????????????????????????????????????????????metaspace 
???????????????????????????? OOM??
&gt; ?????????????????????????????? 1.10.0 ?????? metaspace 
???????????????????? 1.10.1 ????????????????????????????????????
&gt; taskmanager.memory.metaspace.size ???? 256m ????????
&gt;
&gt; Thank you~
&gt;
&gt; Xintong Song
&gt;
&gt;
&gt;
&gt; On Tue, Apr 28, 2020 at 7:21 PM ???? <[email protected]&amp;gt; wrote:
&gt;
&gt; &amp;gt; ??????????:124G??????????????????
&gt; &amp;gt; taskmanager.memory.process.size: 65536m
&gt; &amp;gt;
&gt; &amp;gt; es5-connector sink????
&gt; &amp;gt; ??????????????fullgc java.lang.OutOfMemoryError: Metaspace
&gt; &amp;gt;
&gt; &amp;gt;
&gt; &amp;gt;
&gt; &amp;gt; ????????
&gt; &amp;gt; taskmanager.memory.process.size: 1568m
&gt; &amp;gt; es5-connector sink????
&gt; &amp;gt; ????????????????
&gt; &amp;gt;
&gt; &amp;gt;
&gt; &amp;gt;
&gt; 
??????????????????????????????????????????????????????????????metaspace????????????????????????????????????????????????????????????????????
&gt; &amp;gt; ??????????????????????????????????

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