Eric Newton created ACCUMULO-4090:
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Summary: BatchWriter close not cleaning up all resources
Key: ACCUMULO-4090
URL: https://issues.apache.org/jira/browse/ACCUMULO-4090
Project: Accumulo
Issue Type: Bug
Components: client
Affects Versions: 1.7.0
Reporter: Eric Newton
Assignee: Eric Newton
I'm debugging an issue with a long-running ingestor, similar to the TraceServer.
After realizing that BatchWriter close needs to be called when a
MutationsRejectedException occurs (see ACCUMULO-4088), a close was added, and
the client became more stable.
However, after a day, or so, the client became sluggish. When inspecting a heap
dump, many TabletServerBatchWriter objects were still referenced. This server
should only have two BatchWriter instances at any one time, and this server had
>100.
Still debugging.
The error that initiates the issue is a SessionID not found, presumably because
the session timed out. This is the cause of the MutationsRejectedException
seen by the client.
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