Notes from the previous meeting
|A bug in Qserv |
Any progress from the previous meeting?
Fritz Mueller a new Qserv release 2022.12.1-rc2 has been built. It supports extended logging that might help with investigating the problem.
Igor Gaponenko this version has been installed at SLAC (Qserv instance
John Gates a problem in query processing for sub-chunks may have been found. Could be a race condition. The fix is not ready yet. The current version of the worker-side monitoring may be accessing stale query statistics.
Any news? Any progress for the proposed Parquet-to-CSV translator?
Fabrice Jammes will look at improving the CI to address an issue with dependencies between the images of
Fabrice Jammes on the proposed Parquet-to-CSV translator:
Fritz Mueller we may need an external "tools" container for the translator.
Then there was a discussion on the streaming translate-partition-ingest model. Fabio (and others) have concerns regarding using the intermediate storage (object store, etc.) for storing translated and/or partitioned products for the duration of ingest campaign.
|Horizontal table partitioning in MariaDB vs MySQL|
Igor Gaponenko: one possibility that might improve the situation at