Block merging of frozen chunks #7665
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #7665 +/- ##
==========================================
+ Coverage 80.06% 81.35% +1.28%
==========================================
Files 190 242 +52
Lines 37181 44890 +7709
Branches 9450 11204 +1754
==========================================
+ Hits 29770 36519 +6749
- Misses 2997 3976 +979
+ Partials 4414 4395 -19 ☔ View full report in Codecov by Sentry. |
gayyappan
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It should not be possible to merge a frozen chunk since it is used to tier chunks. If the chunk is merged, it might no longer exist when the tiering happens.
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svenklemm
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Feb 10, 2025
This release contains performance improvements and bug fixes since the 2.18.0 release. We recommend that you upgrade at the next available opportunity. **Features** * timescale#7656 Remove limitation of compression policy for continuous aggregates **Bugfixes** * timescale#6884 Match the Postgres NaN comparison behavior in WHERE clause over compressed tables. * timescale#7600 Fix lock order when dropping index * timescale#7637 Allow EXPLAIN in read-only mode * timescale#7645 Fix DELETE on compressed chunk with non-btree operators * timescale#7649 Allow non-btree operator pushdown in UPDATE/DELETE queries on compressed chunks * timescale#7653 Push down orderby scankeys to Hypercore TAM * timescale#7665 Block merging of frozen chunks * timescale#7673 Don't abort additional INSERTs when hitting first conflict **Thanks** * @bjornuppeke for reporting a problem with INSERT INTO ... ON CONFLICT DO NOTHING on compressed chunks * @ikalafat for reporting a problem with EXPLAIN in read-only mode * @jakehedlund for reporting the incompatible NaN behavior in WHERE clause over compressed tables. * Timescale community members Jacob and pantonis for reporting issues with slow queries.
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Feb 10, 2025
This release contains performance improvements and bug fixes since the 2.18.0 release. We recommend that you upgrade at the next available opportunity. **Features** * timescale#7656 Remove limitation of compression policy for continuous aggregates **Bugfixes** * timescale#6884 Match the Postgres NaN comparison behavior in WHERE clause over compressed tables. * timescale#7600 Fix lock order when dropping index * timescale#7637 Allow EXPLAIN in read-only mode * timescale#7645 Fix DELETE on compressed chunk with non-btree operators * timescale#7649 Allow non-btree operator pushdown in UPDATE/DELETE queries on compressed chunks * timescale#7653 Push down orderby scankeys to Hypercore TAM * timescale#7665 Block merging of frozen chunks * timescale#7673 Don't abort additional INSERTs when hitting first conflict **GUCs** * enable_hypercore_scankey_pushdown: Push down qualifiers as scankeys when using Hypercore TAM **Thanks** * @bjornuppeke for reporting a problem with INSERT INTO ... ON CONFLICT DO NOTHING on compressed chunks * @ikalafat for reporting a problem with EXPLAIN in read-only mode * @jakehedlund for reporting the incompatible NaN behavior in WHERE clause over compressed tables. * Timescale community members Jacob and pantonis for reporting issues with slow queries.
svenklemm
added a commit
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Feb 10, 2025
This release contains performance improvements and bug fixes since the 2.18.0 release. We recommend that you upgrade at the next available opportunity. **Features** * timescale#7656 Remove limitation of compression policy for continuous aggregates **Bugfixes** * timescale#7600 Fix lock order when dropping index * timescale#7637 Allow EXPLAIN in read-only mode * timescale#7645 Fix DELETE on compressed chunk with non-btree operators * timescale#7649 Allow non-btree operator pushdown in UPDATE/DELETE queries on compressed chunks * timescale#7653 Push down orderby scankeys to Hypercore TAM * timescale#7665 Block merging of frozen chunks * timescale#7673 Don't abort additional INSERTs when hitting first conflict **GUCs** * enable_hypercore_scankey_pushdown: Push down qualifiers as scankeys when using Hypercore TAM **Thanks** * @bjornuppeke for reporting a problem with INSERT INTO ... ON CONFLICT DO NOTHING on compressed chunks * @ikalafat for reporting a problem with EXPLAIN in read-only mode * Timescale community members Jacob and pantonis for reporting issues with slow queries.
svenklemm
added a commit
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this pull request
Feb 10, 2025
This release contains performance improvements and bug fixes since the 2.18.0 release. We recommend that you upgrade at the next available opportunity. **Features** * #7656 Remove limitation of compression policy for continuous aggregates **Bugfixes** * #7600 Fix lock order when dropping index * #7637 Allow EXPLAIN in read-only mode * #7645 Fix DELETE on compressed chunk with non-btree operators * #7649 Allow non-btree operator pushdown in UPDATE/DELETE queries on compressed chunks * #7653 Push down orderby scankeys to Hypercore TAM * #7665 Block merging of frozen chunks * #7673 Don't abort additional INSERTs when hitting first conflict **GUCs** * enable_hypercore_scankey_pushdown: Push down qualifiers as scankeys when using Hypercore TAM **Thanks** * @bjornuppeke for reporting a problem with INSERT INTO ... ON CONFLICT DO NOTHING on compressed chunks * @ikalafat for reporting a problem with EXPLAIN in read-only mode * Timescale community members Jacob and pantonis for reporting issues with slow queries.
svenklemm
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Feb 10, 2025
This release contains performance improvements and bug fixes since the 2.18.0 release. We recommend that you upgrade at the next available opportunity. **Features** * [timescale#7656](timescale#7656) Remove limitation of compression policy for continuous aggregates **Bugfixes** * [timescale#7600](timescale#7600) Fix lock order when dropping index * [timescale#7637](timescale#7637) Allow EXPLAIN in read-only mode * [timescale#7645](timescale#7645) Fix DELETE on compressed chunk with non-btree operators * [timescale#7649](timescale#7649) Allow non-btree operator pushdown in UPDATE/DELETE queries on compressed chunks * [timescale#7653](timescale#7653) Push down orderby scankeys to Hypercore TAM * [timescale#7665](timescale#7665) Block merging of frozen chunks * [timescale#7673](timescale#7673) Don't abort additional INSERTs when hitting first conflict **GUCs** * `enable_hypercore_scankey_pushdown`: Push down qualifiers as scankeys when using Hypercore TAM introduced with [timescale#7653](timescale#7653) **Thanks** * @bjornuppeke for reporting a problem with INSERT INTO ... ON CONFLICT DO NOTHING on compressed chunks * @ikalafat for reporting a problem with EXPLAIN in read-only mode * Timescale community members Jacob and pantonis for reporting issues with slow queries.
Merged
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Feb 10, 2025
This release contains performance improvements and bug fixes since the 2.18.0 release. We recommend that you upgrade at the next available opportunity. **Features** * [timescale#7656](timescale#7656) Remove limitation of compression policy for continuous aggregates **Bugfixes** * [timescale#7600](timescale#7600) Fix lock order when dropping index * [timescale#7637](timescale#7637) Allow EXPLAIN in read-only mode * [timescale#7645](timescale#7645) Fix DELETE on compressed chunk with non-btree operators * [timescale#7649](timescale#7649) Allow non-btree operator pushdown in UPDATE/DELETE queries on compressed chunks * [timescale#7653](timescale#7653) Push down orderby scankeys to Hypercore TAM * [timescale#7665](timescale#7665) Block merging of frozen chunks * [timescale#7673](timescale#7673) Don't abort additional INSERTs when hitting first conflict **GUCs** * `enable_hypercore_scankey_pushdown`: Push down qualifiers as scankeys when using Hypercore TAM introduced with [timescale#7653](timescale#7653) **Thanks** * @bjornuppeke for reporting a problem with INSERT INTO ... ON CONFLICT DO NOTHING on compressed chunks * @ikalafat for reporting a problem with EXPLAIN in read-only mode * Timescale community members Jacob and pantonis for reporting issues with slow queries.
svenklemm
added a commit
to svenklemm/timescaledb
that referenced
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Feb 10, 2025
This release contains performance improvements and bug fixes since the 2.18.0 release. We recommend that you upgrade at the next available opportunity. **Features** * [timescale#7656](timescale#7656) Remove limitation of compression policy for continuous aggregates **Bugfixes** * [timescale#7600](timescale#7600) Fix lock order when dropping index * [timescale#7637](timescale#7637) Allow EXPLAIN in read-only mode * [timescale#7645](timescale#7645) Fix DELETE on compressed chunk with non-btree operators * [timescale#7649](timescale#7649) Allow non-btree operator pushdown in UPDATE/DELETE queries on compressed chunks * [timescale#7653](timescale#7653) Push down orderby scankeys to Hypercore TAM * [timescale#7665](timescale#7665) Block merging of frozen chunks * [timescale#7673](timescale#7673) Don't abort additional INSERTs when hitting first conflict **GUCs** * `enable_hypercore_scankey_pushdown`: Push down qualifiers as scankeys when using Hypercore TAM introduced with [timescale#7653](timescale#7653) **Thanks** * @bjornuppeke for reporting a problem with INSERT INTO ... ON CONFLICT DO NOTHING on compressed chunks * @ikalafat for reporting a problem with EXPLAIN in read-only mode * Timescale community members Jacob and pantonis for reporting issues with slow queries.
svenklemm
added a commit
to svenklemm/timescaledb
that referenced
this pull request
Feb 10, 2025
This release contains performance improvements and bug fixes since the 2.18.0 release. We recommend that you upgrade at the next available opportunity. **Features** * [timescale#7656](timescale#7656) Remove limitation of compression policy for continuous aggregates **Bugfixes** * [timescale#7600](timescale#7600) Fix lock order when dropping index * [timescale#7637](timescale#7637) Allow EXPLAIN in read-only mode * [timescale#7645](timescale#7645) Fix DELETE on compressed chunk with non-btree operators * [timescale#7649](timescale#7649) Allow non-btree operator pushdown in UPDATE/DELETE queries on compressed chunks * [timescale#7653](timescale#7653) Push down orderby scankeys to Hypercore TAM * [timescale#7665](timescale#7665) Block merging of frozen chunks * [timescale#7673](timescale#7673) Don't abort additional INSERTs when hitting first conflict **GUCs** * `enable_hypercore_scankey_pushdown`: Push down qualifiers as scankeys when using Hypercore TAM introduced with [timescale#7653](timescale#7653) **Thanks** * @bjornuppeke for reporting a problem with INSERT INTO ... ON CONFLICT DO NOTHING on compressed chunks * @ikalafat for reporting a problem with EXPLAIN in read-only mode * Timescale community members Jacob and pantonis for reporting issues with slow queries.
svenklemm
added a commit
that referenced
this pull request
Feb 11, 2025
This release contains performance improvements and bug fixes since the 2.18.0 release. We recommend that you upgrade at the next available opportunity. **Features** * [#7656](#7656) Remove limitation of compression policy for continuous aggregates **Bugfixes** * [#7600](#7600) Fix lock order when dropping index * [#7637](#7637) Allow EXPLAIN in read-only mode * [#7645](#7645) Fix DELETE on compressed chunk with non-btree operators * [#7649](#7649) Allow non-btree operator pushdown in UPDATE/DELETE queries on compressed chunks * [#7653](#7653) Push down orderby scankeys to Hypercore TAM * [#7665](#7665) Block merging of frozen chunks * [#7673](#7673) Don't abort additional INSERTs when hitting first conflict **GUCs** * `enable_hypercore_scankey_pushdown`: Push down qualifiers as scankeys when using Hypercore TAM introduced with [#7653](#7653) **Thanks** * @bjornuppeke for reporting a problem with INSERT INTO ... ON CONFLICT DO NOTHING on compressed chunks * @ikalafat for reporting a problem with EXPLAIN in read-only mode * Timescale community members Jacob and pantonis for reporting issues with slow queries.
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It should not be possible to merge a frozen chunk since it is used to tier chunks. If the chunk is merged, it might no longer exist when the tiering happens.