rancpine cui escribió: > I've seen from the README that > "The shared-memory hash tables for LOCKs and PROCLOCKs are organized > so that different partitions use different hash chains, and thus there > is no conflict in working with objects in different partitions." > What does "hash chains" mean?
Each "hash chain" is a different, separate, independent hash struct. > As the dynahash.c's "partitioned table" mechanism suggests, a lock's > bucket number can be calculated from its hash value, then it will be > inserted into that bucket,so how does partition number works? Which hash is used depends on the partition number. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
