Currently, nodes can reach a "too many open files" state with a low number of connections and low wiredTiger data handle usage. Reporting file descriptors used as part of index builds will help close a diagnostic gap to identify index builds as a source of index file descriptors use.
Ideally, record this as two counters:
- file handles opened
- file handles closed
- is related to
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SERVER-64660 Report in serverStatus number of file descriptors used by the query system outside of the storage engine
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- Open
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SERVER-54791 Excessive file descriptor usage during index build with external sort
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- Closed
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- related to
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SERVER-68158 serverstatus_indexbulkbuilder.js should run listIndexes on primary after creating indexes
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- Closed
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- Closed
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- Closed
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- Closed
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