On 12/14/17, advancenOO <haveagoodtime2...@gmail.com> wrote: > I noticed that, > “The journal_size_limit pragma may be used to limit the size of WAL files > left in the file-system after transactions or checkpoints. Each time a WAL > file resets, SQLite compares the size of the WAL file left in the > file-system to the size limit.” > > But I think only when the first transaction commits AFTER a checkpoint will > WAL file truncate to the limit. As the src code is, > if( isCommit && pWal->truncateOnCommit && pWal->mxWalSize>=0 ). > > Which means WAL file may still consume a large amount of space after > checkpoints, unless a new transaction commits. Is that right?
Correct. The reset happens on the next transaction commit. There is also "PRAGMA wal_checkpoint(TRUNCATE);" -- D. Richard Hipp d...@sqlite.org _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
