Backport PR #14431 to 8.4: [Doc] add off-heap memory session #14475
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Relates: #12622 Co-authored-by: Karen Metts <[email protected]> (cherry picked from commit 88d89fe)
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github action closes the pr |
karenzone
reviewed
Aug 25, 2022
| The operating system, persistent queue mmap pages, direct memory, and other processes require memory in addition to memory allocated to heap size. | ||
| Keep the overall memory requirements in mind when you allocate memory. | ||
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| By default, a JVM's off-heap direct memory limit is the same as the heap size. Check out <<plugins-inputs-beats-memory,beats input memory usage>>. |
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elastic/logstash-docs#1418 is a prereq to being able to use <<plugins-inputs-beats-memory,beats input memory usage>>. Docs CI will fail until #1418 gets merged.
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@elasticmachine run elasticsearch-ci/docs |
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Looking promising! Waiting for the change to be push by the REAL doc build... |
karenzone
approved these changes
Aug 25, 2022
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Notes for future travelers:
Fortunately, those are on deck to be fixed soon. |
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Backport PR #14431 to 8.4 branch, original message:
Relates: #12622
Add a link to beats-input doc (logstash-plugins/logstash-input-beats#454)
Suggest to set
-XX:MaxDirectMemorySizeto half of the heap size