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testcontainers / testcontainers-java

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
https://testcontainers.org
MIT License
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Bump org.questdb:questdb from 7.3.9 to 8.0.0 in /modules/questdb #8753

Closed dependabot[bot] closed 3 weeks ago

dependabot[bot] commented 1 month ago

Bumps org.questdb:questdb from 7.3.9 to 8.0.0.

Release notes

Sourced from org.questdb:questdb's releases.

8.0.0

This one's a big one!

In brief, to get you to the goods quicker:

  • New VARCHAR data type over STRING default for ++compression & ++performance
  • 50% improvment over already fast SQL query performance
  • Data compression via system-level ZFS, previously Enterprise-only

And more...

Upgrade as soon as you can. Or start fresh and build out your use case.

If you're still reading, onwards for more detail, breaking changes, plus the PR breakdown.

New features 🐣

  • VARCHAR: Introduces the VARCHAR data type and a new type driver API. VARCHAR offers UTF8 encoded strings of variable length as opposed to the UTF16 and fixed length encoding found in STRING, for better compression and significantly improved performance.
    • Maximum size of a single VARCHAR field size is 268 MB.
    • A size of a VARCHAR column in a single partition is limited by 218 TB or disk size, whichever is smaller.
    • STRING is now considered a legacy type.
  • Data compression: Data compression for OSS! Full support for the ZFS file system and system-level data compression.
  • ALTER COLUMN type: Use ALTER TABLE SQL to convert column types.
    • Migrate between STRING, SYMBOL, and VARCHAR data types.

Breaking changes 💥

  • GLIBC upgrade: Upgraded GLIBC to a minimum of 2.28-amd64 and 2.33-aarch64.
  • ILP and TextImport changes: ILP and TextImport now create VARCHAR instead of STRING columns.
  • Jemalloc allocator: The default allocator is now jemalloc. Later updates include disabling jemalloc as the default allocator and removing jemalloc from no-jre builds.

Performance 🚀

  • SQL performance improvement: Average SQL performance improves by 50%. 🔥
  • Memory allocation limit: New memory allocation limit prevents OS OOM handler terminations in many cases.

Bug fixes 🥾

  • SQL: Fixed issues with SAMPLE BY and GROUP BY not grouping when used with column aliases. Fixed WHERE filters with FLOAT columns null comparison.
  • Core: Addressed trailing boundary processing of multipart HTTP requests. Fixed hour parsing and formatting in the 1-12 and 1-24 conventions.

Pull requests :octocat:

... (truncated)

Commits
  • 549aba4 [maven-release-plugin] prepare release 8.0.0
  • f7c8afd perf(sql): adaptive work stealing for parallel query execution on multicore m...
  • 8b9d985 fix(core): fix transient query failure because of missing partition directory...
  • 3b73908 chore(sql): speed up regexp_replace(varchar) with single group (#4604)
  • fe2aeca chore(sql): restore add cache permission hooks (#4546)
  • 01e87fd docs(core): fix javadoc compilation issues (#4545)
  • 9adc05d chore(sql): add permissions hooks for column type change SQL (#4541)
  • 26abcb2 chore(core): fix SQL query logging (#4543)
  • 8d56a7d feat(core): improve SQL error logging (#4532)
  • 8261ae1 fix(sql): breaking change💥 - fix expression parser operator precedence (#4443)
  • Additional commits viewable in compare view


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dependabot[bot] commented 3 weeks ago

Superseded by #8784.