2023.5.1

What's Changed

• Use templatized queries at workers to reduce memory allocation
• Fixes for extreme slowdowns when cancelling broad subchunk queries
• Eliminated false-positive error messages for missing optional ingest config parameters
• Fixed some issues with transaction state counters and colors on web dashboard
• Upgrades of package dependencies (XRootD, lsst/log, and lsst/sphgeom)

Full Changelog: 2023.4.1-rc1...2023.5.1-rc1

2023.4.1

What's Changed

• Fix for proxy stalls seen in Rubin DP0.2 when given a queries with very wide ObjectId restrictions; director index restrictors are now created only for director column expressions involving operators = and IN.
• Additional timers and statistics including worker buffer fill and czar merge times are available in admin dashboard.
• Chunk queries are now templatized on chunk IDs to reduce memory usage.

Full Changelog: 2023.2.1-rc2...2023.4.1-rc1

2023.2.1

What's Changed

• Extend lifetime of temporary subchunk tables (fix for worker lock-up issue)
• Additional query life-cycle states and czar status elements exposed in the administrative dashboard

Full Changelog: 2023.1.1-rc2...2023.2.1-rc2

2023.1.1

• Stability fixes to mitigate worker lock-ups seen on full-sky triple JOIN queries
• Many monitoring dashboard additions, including new histogram views
• Replication / ingest API moves to v17

Full Changelog: 2022.12.1-rc2...2023.1.1-rc2

2022.9.1

• Adds support for ingestion of match tables (see https://confluence.lsstcorp.org/display/DM/Ingest%3A+9.7.+Ingesting+RefMatch+tables)
• Query log records total bytes collected and bytes and rows returned per query, and theseare also exposed in the web dashboard
• Fix for LIMIT handling bug when queries also contain GROUP BY or ORDER BY
• Cleanup of integration test suites, including reactivation of some dormant test queries and addition of match table coverage

2022.7.1

• Rendering optimizations for web dashboard user queries page
• Log configuration for xrootd and replication worker containers
• MariaDB service limit configuration updates
• Fix for replication controller sync holdoff bug
• sph-partition-matches can now use file-based director indices
• Additional RelationGraph trace logs

2022.6.3

Web dashboard improvements:

• query copy to clipboard widget for query history
• general performance improvements for query history
• additional fields in query history
• table creation and publication timestamps

This release also adds prepare-data subcommand to the qserv cli.

2022.6.2

• Includes 32-bit COUNT(*) overflow fix

2022.6.1

2022.6.1-rc1

Release 2022.6.1-rc1

2022.5.2

2022.5.2-rc1

Release 2022.5.2-rc1