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fix: Refine stability update #429
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* fix: Specify TypeDecorator.cache_ok fields to allow more aggressive query caching in SQLAlchemy v1.4+
* SQLAlchemy 1.4.15 now requires txns completely retried as a whole context manager. * Wrap all retried DB transactions with nested functions. * Just grab a new connection for every transaction in the dispatcher instead of reusing them, because now we use the "SERIALIZABLE" isolation level and mark each transaction read-only or not using connection-level execution options. * Now there are NO unpredictable hangs and missing status changes, regardless of the loadrunner concurrency. YAY!!
Codecov Report
@@ Coverage Diff @@
## main #429 +/- ##
==========================================
- Coverage 48.83% 48.56% -0.28%
==========================================
Files 52 52
Lines 8442 8511 +69
==========================================
+ Hits 4123 4133 +10
- Misses 4319 4378 +59
Continue to review full report at Codecov.
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achimnol
added a commit
that referenced
this pull request
May 11, 2021
* fix: Update alembic, SQLAlchemy versions
* fix: Specify TypeDecorator.cache_ok fields to allow more aggressive
query caching in SQLAlchemy v1.4+
* fix: Properly retry transactions
- SQLAlchemy 1.4.15 now requires txns completely retried as a whole
context manager.
- Wrap all retried DB transactions with nested functions.
- Just grab a new connection for every transaction in the dispatcher
instead of reusing them, because now we use the "SERIALIZABLE"
isolation level and mark each transaction read-only or not
using connection-level execution options.
- Now there are NO unpredictable hangs and missing status changes,
regardless of the loadrunner concurrency. YAY!!
* setup: Update mypy version
Backported-From: main
Backported-To: 21.03
achimnol
added a commit
that referenced
this pull request
May 11, 2021
* fix: Update alembic, SQLAlchemy versions
* fix: Specify TypeDecorator.cache_ok fields to allow more aggressive
query caching in SQLAlchemy v1.4+
* fix: Properly retry transactions
- SQLAlchemy 1.4.15 now requires txns completely retried as a whole
context manager.
- Wrap all retried DB transactions with nested functions.
- Just grab a new connection for every transaction in the dispatcher
instead of reusing them, because now we use the "SERIALIZABLE"
isolation level and mark each transaction read-only or not
using connection-level execution options.
- Now there are NO unpredictable hangs and missing status changes,
regardless of the loadrunner concurrency. YAY!!
* setup: Update mypy version
Backported-From: main
Backported-To: 20.09
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