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https://issues.apache.org/jira/browse/FLINK-19617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17213161#comment-17213161
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Matthias edited comment on FLINK-19617 at 10/13/20, 3:15 PM:
-------------------------------------------------------------
But, we have to consider having different memory pools depending on the used
JDK.
Oracle JDK 1.8.0_261:
{noformat}
--- Code Cache ( java.lang:name=Code Cache,type=MemoryPool) ---
Init: 2555904
Used: 1410880
Committed: 2555904
Max: 251658240
--- Metaspace ( java.lang:name=Metaspace,type=MemoryPool) ---
Init: 0
Used: 3860848
Committed: 5242880
Max: -1
--- Compressed Class Space ( java.lang:name=Compressed Class
Space,type=MemoryPool) ---
Init: 0
Used: 430472
Committed: 524288
Max: 1073741824
--- PS Eden Space ( java.lang:name=PS Eden Space,type=MemoryPool) ---
Init: 67108864
Used: 8094688
Committed: 67108864
Max: 1409286144
--- PS Survivor Space ( java.lang:name=PS Survivor Space,type=MemoryPool) ---
Init: 11010048
Used: 0
Committed: 11010048
Max: 11010048
--- PS Old Gen ( java.lang:name=PS Old Gen,type=MemoryPool) ---
Init: 179306496
Used: 0
Committed: 179306496
Max: 2863661056{noformat}
OpenJDK 1.8.0_265:
{noformat}
--- tenured-SOA ( java.lang:name=tenured-SOA,type=MemoryPool) ---
Init: 5976064
Used: 544800
Committed: 5976064
Max: 4078226432
--- tenured-LOA ( java.lang:name=tenured-LOA,type=MemoryPool) ---
Init: 315392
Used: 0
Committed: 315392
Max: 214643712
--- nursery-allocate ( java.lang:name=nursery-allocate,type=MemoryPool) ---
Init: 1048576
Used: 443176
Committed: 1114112
Max: 536870912
--- nursery-survivor ( java.lang:name=nursery-survivor,type=MemoryPool) ---
Init: 1048576
Used: 1114112
Committed: 1114112
Max: 536870912
--- class storage ( java.lang:name=class storage,type=MemoryPool) ---
Init: 66744312
Used: 10655664
Committed: 68222024
Max: -1
--- miscellaneous non-heap storage ( java.lang:name=miscellaneous non-heap
storage,type=MemoryPool) ---
Init: 79233020
Used: 13927416
Committed: 80281596
Max: -1
--- JIT code cache ( java.lang:name=JIT code cache,type=MemoryPool) ---
Init: 268435456
Used: 597920
Committed: 268435456
Max: 268435456
--- JIT data cache ( java.lang:name=JIT data cache,type=MemoryPool) ---
Init: 0
Used: 2097152
Committed: 4194304
Max: 402653184
{noformat}
was (Author: mapohl):
But, we have to consider having different memory pools depending on the used
JDK.
Oracle JDK 1.8.0_261:
{noformat}
--- Code Cache ( java.lang:name=Code Cache,type=MemoryPool) ---
Init: 2555904
Used: 1410880
Committed: 2555904
Max: 251658240
--- Metaspace ( java.lang:name=Metaspace,type=MemoryPool) ---
Init: 0
Used: 3860848
Committed: 5242880
Max: -1
--- Compressed Class Space ( java.lang:name=Compressed Class
Space,type=MemoryPool) ---
Init: 0
Used: 430472
Committed: 524288
Max: 1073741824
--- PS Eden Space ( java.lang:name=PS Eden Space,type=MemoryPool) ---
Init: 67108864
Used: 8094688
Committed: 67108864
Max: 1409286144
--- PS Survivor Space ( java.lang:name=PS Survivor Space,type=MemoryPool) ---
Init: 11010048
Used: 0
Committed: 11010048
Max: 11010048
--- PS Old Gen ( java.lang:name=PS Old Gen,type=MemoryPool) ---
Init: 179306496
Used: 0
Committed: 179306496
Max: 2863661056{noformat}
OpenJDK 1.8.0_265:
{noformat}
--- tenured-SOA ( java.lang:name=tenured-SOA,type=MemoryPool) ---
Init: 5976064
Used: 544800
Committed: 5976064
Max: 4078226432
--- tenured-LOA ( java.lang:name=tenured-LOA,type=MemoryPool) ---
Init: 315392
Used: 0
Committed: 315392
Max: 214643712
--- nursery-allocate ( java.lang:name=nursery-allocate,type=MemoryPool) ---
Init: 1048576 Used: 443176 Committed: 1114112 Max: 536870912
--- nursery-survivor ( java.lang:name=nursery-survivor,type=MemoryPool)
---Init: 1048576 Used: 1114112 Committed: 1114112 Max: 536870912
--- class storage ( java.lang:name=class storage,type=MemoryPool)
--- Init: 66744312 Used: 10655664 Committed: 68222024 Max: -1
--- miscellaneous non-heap storage ( java.lang:name=miscellaneous non-heap
storage,type=MemoryPool) --- Init: 79233020 Used: 13927416 Committed: 80281596
Max: -1
--- JIT code cache ( java.lang:name=JIT code cache,type=MemoryPool) --- Init:
268435456 Used: 597920 Committed: 268435456 Max: 268435456
--- JIT data cache ( java.lang:name=JIT data cache,type=MemoryPool)
--- Init: 0 Used: 2097152 Committed: 4194304 Max: 402653184
{noformat}
> Add Metaspace metric
> --------------------
>
> Key: FLINK-19617
> URL: https://issues.apache.org/jira/browse/FLINK-19617
> Project: Flink
> Issue Type: Sub-task
> Reporter: Matthias
> Priority: Major
>
> We want to expose the currently used Metaspace memory as well that should be
> provided through the metrics system.
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