Mon Jul 31 11:49:53 PDT 2006
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Log Message: ----------- Add in note that we now have partial indexes on the sl_log_? tables Modified Files: -------------- slony1-engine: RELEASE-1.2.0 (r1.6 -> r1.7) -------------- next part -------------- Index: RELEASE-1.2.0 =================================================================== RCS file: /usr/local/cvsroot/slony1/slony1-engine/RELEASE-1.2.0,v retrieving revision 1.6 retrieving revision 1.7 diff -LRELEASE-1.2.0 -LRELEASE-1.2.0 -u -w -r1.6 -r1.7 --- RELEASE-1.2.0 +++ RELEASE-1.2.0 @@ -54,6 +54,13 @@ UPGRADE FUNCTIONS will remove OIDs from Slony-I tables in existing schemas, too. +- When possible (based on log switching functionality), partial + indexes on sl_log_1 and sl_log_2 are created on a per-origin-node + basis. This provides the performance boost of having an easily + recognizable index, but without the risk of having XIDs from + different nodes mixed together in one index, where rollover could + Cause Problems... + These features are generally configurable, but the defaults ought to allow improved behaviour for all but the most "Extreme Uses."
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