Miroslav Smiljanic created OAK-9327:
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Summary: ConcurrentReadTest logs warning message when concurrency
level greater than 1
Key: OAK-9327
URL: https://issues.apache.org/jira/browse/OAK-9327
Project: Jackrabbit Oak
Issue Type: Bug
Components: benchmarks
Reporter: Miroslav Smiljanic
When running ConcurrentReadTest with concurrency level greater than 1, warning
message is logged because of how session is being used. Perhaps code can be
improved to avoid concurrent use of the session.
{noformat}
# ConcurrentReadTest C min 10% 50% 90% max
N mean
Oak-Segment-Tar 1 35 205 447 617 701
139 432
Oak-Segment-Tar 2 107 376 747 1080 1413
164 735
09:35:58.769 [Background job 3] WARN o.a.j.o.jcr.delegate.SessionDelegate -
Attempted to perform getRootNode while thread Background job 0 was concurrently
writing to this session. Blocked until the other thread finished using this
session. Please review your code to avoid concurrent use of a session.
09:36:07.283 [Background job 1] WARN o.a.j.o.jcr.delegate.SessionDelegate -
Attempted to perform getNode while thread Background job 3 was concurrently
writing to this session. Blocked until the other thread finished using this
session. Please review your code to avoid concurrent use of a session.
Oak-Segment-Tar 4 258 580 1137 1915 3332
197 1224
Oak-Segment-Tar 8 96 853 1868 3834 7554
223 2177
09:38:50.358 [Background job 1] WARN o.a.j.o.jcr.delegate.SessionDelegate -
Attempted to perform getNode while thread Background job 12 was concurrently
writing to this session. Blocked until the other thread finished using this
session. Please review your code to avoid concurrent use of a session.
09:38:52.466 [Background job 14] WARN o.a.j.o.jcr.delegate.SessionDelegate -
Attempted to perform getRootNode while thread Background job 5 was concurrently
writing to this session. Blocked until the other thread finished using this
session. Please review your code to avoid concurrent use of a session.
Oak-Segment-Tar 16 302 1526 3501 6994 13552
249 3945
09:39:10.530 [Background job 16] WARN o.a.j.o.jcr.delegate.SessionDelegate -
Attempted to perform getNode while thread Background job 1 was concurrently
writing to this session. Blocked until the other thread finished using this
session. Please review your code to avoid concurrent use of a session.
09:39:11.567 [Background job 14] WARN o.a.j.o.jcr.delegate.SessionDelegate -
Attempted to perform getRootNode while thread Background job 25 was
concurrently writing to this session. Blocked until the other thread finished
using this session. Please review your code to avoid concurrent use of a
session.
Oak-Segment-Tar 32 64 2156 5578 10391 16376
341 5869
{noformat}
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