Ian Maloney created DRILL-4268:
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Summary: Possible resource leak leading to SocketException: Too
many open files
Key: DRILL-4268
URL: https://issues.apache.org/jira/browse/DRILL-4268
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.2.0
Environment: RHEL 6 running against Hive storage type
Reporter: Ian Maloney
I have a java app accessing Drill 1.2 via JDBC, which runs 100s of counts on
various tables. No concurrency is being used. The JDBC URL uses the format:
jdbc:drill:drillbit=a-bits-hostname
Hanifi suggested I check for open file descriptors using:
lsof -a -p DRILL_PID | wc -l
which I did on the two nodes, I currently have running drill, both, before and
after restarting.
Node from JDBC connection string (which had been previously restarted):
Before: 396
After: 396
Other node:
Before: 14
After: 395
The error, "Too many open files", persists after restarting the bits.
Opened as a result of this thread:
http://mail-archives.apache.org/mod_mbox/drill-user/201601.mbox/browser
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