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Differential D1384

Explicitely give Db connections back to the pool.
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Authored by vlorentz on Apr 9 2019, 4:56 PM.

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olasd

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rDCORE1d9c0bf05c32: Explicitely give Db connections back to the pool.

Summary

So they gracefully release the connection on error instead
of relying on reference-counting to call the Db's __del__
(which does not happen in Hypothesis tests) because a ref
to it is kept via the traceback object.

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Repository

rDCORE Foundations and core functionalities

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Automatic diff as part of commit; lint not applicable.

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Automatic diff as part of commit; unit tests not applicable.

Event Timeline

vlorentz created this revision.Apr 9 2019, 4:56 PM

Herald added a reviewer: Reviewers. · View Herald TranscriptApr 9 2019, 4:56 PM

Build is green
See https://jenkins.softwareheritage.org/job/DCORE/job/tox/201/ for more details.

Harbormaster completed remote builds in B5246: Diff 4438.Apr 9 2019, 4:58 PM

olasd accepted this revision.Apr 9 2019, 5:33 PM

olasd added a subscriber: olasd.

olasd added inline comments.

swh/core/db/common.py
50	Can we guard this with an `if hasattr(self, 'put_db')` to avoid making other users of this (indexer, archiver) insta-buggy?
83	Same comment

This revision is now accepted and ready to land.Apr 9 2019, 5:33 PM

vlorentz added inline comments.Apr 9 2019, 5:35 PM

swh/core/db/common.py
50	No, because I removed `BaseDb.__del__`, so it would leak connections in prod.

vlorentz mentioned this in D1385: Add method put_db, required by swh-core >= v0.0.59..Apr 9 2019, 5:39 PM

vlorentz mentioned this in D1386: Add method put_db, required by swh-core >= v0.0.59..

vlorentz mentioned this in D1387: Add method put_db, required by swh-core >= v0.0.59..Apr 9 2019, 5:42 PM

Closed by commit rDCORE1d9c0bf05c32: Explicitely give Db connections back to the pool. (authored by vlorentz). · Explain WhyApr 9 2019, 6:05 PM

This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

Path

Size

swh/

core/

db/

__init__.py

3 lines

common.py

19 lines

Diff 4478

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swh/core/db/init.py

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Explicitely give Db connections back to the pool.ClosedPublicActions