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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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Overview
Comment:Increase the default PMA size from 10 to 250 pages and provide the SQLITE_SORTER_PMASZ compile-time option to change this default. Add needed mutex call when clearing the KeyInfo cache in shared-cache mode.
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Timelines: family | ancestors | descendants | both | apple-osx
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SHA1: 6e2da589ad562e0e412eb6572a8681225259b46e
User & Date: drh 2014-12-09 15:01:07
Context
2014-12-16
00:29
Merge latest fixes and enhancements from trunk into apple-osx. check-in: 2c1d8dda user: drh tags: apple-osx
2014-12-09
15:01
Increase the default PMA size from 10 to 250 pages and provide the SQLITE_SORTER_PMASZ compile-time option to change this default. Add needed mutex call when clearing the KeyInfo cache in shared-cache mode. check-in: 6e2da589 user: drh tags: apple-osx
14:42
Increase the default minimum PMA size for multi-threaded sorting from 10x the page size to 250x the page size. Provide the SQLITE_SORTER_PMASZ compile-time option to change this default. check-in: b05340fe user: drh tags: trunk
2014-12-05
20:16
Merge the shared-cache KeyInfo fix from trunk. check-in: 8a9b43f9 user: drh tags: apple-osx
Changes
Unified Diffs Side-by-Side Diffs Patch

Changes to src/analyze.c.

Changes to src/btree.c.

Changes to src/main.c.

Changes to src/test1.c.

Changes to src/vdbesort.c.

Changes to src/where.c.

Added test/e_walckpt.test.

Changes to test/threadtest3.c.

Added test/tt3_index.c.