[ISSUE 2637] Fix jvm_memory_direct_bytes_used metrics when using jdk11+ - #3252
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rerun failure checks |
dlg99
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Apr 29, 2022
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Is there a more officially supported way of doing this?
mx bean or something like that.
E.g. I can't tell if this works in JDK 17 or the next one.
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e.g. see #3234 : "Starting from JDK17 the reflection is not allowed in the jdk internals modules" |
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…1+ (#3252) Fix #2637 #3247 ### Motivation The mertics about `jvm_memory_direct_bytes_used` is acquired by netty's `PlatformDependent#DIRECT_MEMORY_COUNTER`. Which can only acquired the memory used by netty. ### Changes - use `java.nio.Bits#RESERVED_MEMORY` for jvm direct memory metrics. - add tests to ensure `jvm_memory_direct_bytes_max` and `jvm_memory_direct_bytes_used` gets value. (cherry picked from commit cefe9d4)
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…1+ (apache#3252) Fix apache#2637 apache#3247 ### Motivation The mertics about `jvm_memory_direct_bytes_used` is acquired by netty's `PlatformDependent#DIRECT_MEMORY_COUNTER`. Which can only acquired the memory used by netty. ### Changes - use `java.nio.Bits#RESERVED_MEMORY` for jvm direct memory metrics. - add tests to ensure `jvm_memory_direct_bytes_max` and `jvm_memory_direct_bytes_used` gets value. (cherry picked from commit cefe9d4)
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…1+ (apache#3252) Fix apache#2637 apache#3247 ### Motivation The mertics about `jvm_memory_direct_bytes_used` is acquired by netty's `PlatformDependent#DIRECT_MEMORY_COUNTER`. Which can only acquired the memory used by netty. ### Changes - use `java.nio.Bits#RESERVED_MEMORY` for jvm direct memory metrics. - add tests to ensure `jvm_memory_direct_bytes_max` and `jvm_memory_direct_bytes_used` gets value. (cherry picked from commit cefe9d4)
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This may be a breaking change, after this pr. The old user who used jdk8 didn't record the direct memory metrics. |
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…1+ (apache#3252) Fix apache#2637 apache#3247 ### Motivation The mertics about `jvm_memory_direct_bytes_used` is acquired by netty's `PlatformDependent#DIRECT_MEMORY_COUNTER`. Which can only acquired the memory used by netty. ### Changes - use `java.nio.Bits#RESERVED_MEMORY` for jvm direct memory metrics. - add tests to ensure `jvm_memory_direct_bytes_max` and `jvm_memory_direct_bytes_used` gets value. (cherry picked from commit cefe9d4) (cherry picked from commit 523ffcf)
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…1+ (apache#3252) Fix apache#2637 apache#3247 ### Motivation The mertics about `jvm_memory_direct_bytes_used` is acquired by netty's `PlatformDependent#DIRECT_MEMORY_COUNTER`. Which can only acquired the memory used by netty. ### Changes - use `java.nio.Bits#RESERVED_MEMORY` for jvm direct memory metrics. - add tests to ensure `jvm_memory_direct_bytes_max` and `jvm_memory_direct_bytes_used` gets value.
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Fix #2637 #3247
Motivation
The mertics about
jvm_memory_direct_bytes_usedis acquired by netty'sPlatformDependent#DIRECT_MEMORY_COUNTER. Which can only acquired the memory used by netty.Changes
java.nio.Bits#RESERVED_MEMORYfor jvm direct memory metrics.jvm_memory_direct_bytes_maxandjvm_memory_direct_bytes_usedgets value.