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StorageGRID detects FOPN due to LDR leaks file descriptors by Swift ingest failures

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Applies to

  • StorageGRID 11.5
  • Swift API

Issue

  • FOPN alarm is detected for LDR service
  • Prometheus from Support > Metrics shows the results of following query keep increasing
    • storagegrid_private_process_open_fds{job="ldr"}
    • storagegrid_ http_sessions_incoming_currently_established{service="ldr"}

a4c2e43c-98fc-4f00-9ca2-3324679bf3d0.png

  • bycast.log shows many Swift requests fail for some reasons

Example:

NOTICE 0447 2a1b2ed5ad72576f SWRQ: EVENT_PROCESS_CREATE - connection=1648920814319593 method=PUT name=</v1/76613541638853316127/<PATH>> protocol=<HTTPS>
NOTICE 0040 2a1b2ed5ad72576f SWRQ: Swift error response: RequestId=1648920814319593, Resource=/v1/76613541638853316127/<PATH>, ErrorCode=Unauthorized, Details={Unauthorized to access this resource.}

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