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Time | Item | Who | Notes | ||
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Project news | |||||
Progress on topics discussed at the previous meeting Database Meeting 2022-03-23 | team | DP02:
Igor Gaponenko will look at converting Parquet files of the additional metadata tables and get them ingested into Qserv. (Note a discussion on handling date/time types during the conversion into CSV). Colin Slater will finalize the Felis schema for the new tables. | |||
Upgrade "small" Qserv at NCSA to the latest version | Igor Gaponenko will do it tomorrow during the weekly upgrade | ||||
Problems at IDF after MariaDB upgrade | Fritz Mueller, team | Context:
MariaDB posted complaints:
These were reported by both Qserv worker databases and the Replication system's database service. Fritz Mueller will disable rolling upgrades as a short-term solution. Fritz Mueller Igor Gaponenko will continue looking into the origin of the problem to understand its root cause. In the long term, we need to find a solution to this situation (of the rolling upgrades). And we do need to develop a policy for MariaDB version upgrades. The worst-case scenario would be to recreate Qserv and to reingest data. Unknown User (npease) will redeploy the Watcher service at IDF to allow seeing problems with Qserv earlier. | |||
Qserv modality and status in Kubernetes | Context:
One option mentioned at the meeting was to allow mounting of the same PV in two pods: as read-only PVC in Qserv workers and read-write |