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

Artifact 3c6adcbc50b991866855f1977ff172eb6d901271:


/*
** Configure five tasks in different ways, then run tests.
*/
--if vfsname() GLOB 'unix'
PRAGMA page_size=8192;
--task 1
  PRAGMA journal_mode=PERSIST;
  PRAGMA mmap_size=0;
--end
--task 2
  PRAGMA journal_mode=TRUNCATE;
  PRAGMA mmap_size=28672;
--end
--task 3
  PRAGMA journal_mode=MEMORY;
--end
--task 4
  PRAGMA journal_mode=OFF;
--end
--task 4
  PRAGMA mmap_size(268435456);
--end
--source multiwrite01.test
--wait all
PRAGMA page_size=16384;
VACUUM;
CREATE TABLE pgsz(taskid, sz INTEGER);
--task 1
  INSERT INTO pgsz VALUES(1, eval('PRAGMA page_size'));
--end
--task 2
  INSERT INTO pgsz VALUES(2, eval('PRAGMA page_size'));
--end
--task 3
  INSERT INTO pgsz VALUES(3, eval('PRAGMA page_size'));
--end
--task 4
  INSERT INTO pgsz VALUES(4, eval('PRAGMA page_size'));
--end
--task 5
  INSERT INTO pgsz VALUES(5, eval('PRAGMA page_size'));
--end
--source multiwrite01.test
--wait all
SELECT sz FROM pgsz;
--match 16384 16384 16384 16384 16384