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Overview
Comment: | When TEMP files are in memory, also put the massive TEMP file used by the VACUUM command in memory. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
9daf4e7d07769f25b3a579d80e7fada4 |
User & Date: | drh 2010-03-02 23:34:55.000 |
References
2010-03-03
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00:02 | When TEMP files are in memory, also put the massive TEMP file used by the VACUUM command in memory. This is a cherry-pick merge of [9daf4e7d07] (check-in: e534223435 user: drh tags: branch-3.6.22) | |
Context
2010-03-03
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14:23 | Modify the command line tool to disable all mutexes. The command line tool is single-threaded. (check-in: 00e5679047 user: dan tags: trunk) | |
2010-03-02
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23:34 | When TEMP files are in memory, also put the massive TEMP file used by the VACUUM command in memory. (check-in: 9daf4e7d07 user: drh tags: trunk) | |
2010-02-26
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16:37 | Rename the sqlite_compile_option_*() SQL functions to sqlite_compileoption_*() for consistency with the C/C++ interface. (check-in: dd4962aa34 user: drh tags: trunk) | |
Changes
Changes to src/pcache.c.
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185 186 187 188 189 190 191 192 193 194 195 196 197 198 | ** are no outstanding page references when this function is called. */ void sqlite3PcacheSetPageSize(PCache *pCache, int szPage){ assert( pCache->nRef==0 && pCache->pDirty==0 ); if( pCache->pCache ){ sqlite3GlobalConfig.pcache.xDestroy(pCache->pCache); pCache->pCache = 0; } pCache->szPage = szPage; } /* ** Try to obtain a page from the cache. */ | > | 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 | ** are no outstanding page references when this function is called. */ void sqlite3PcacheSetPageSize(PCache *pCache, int szPage){ assert( pCache->nRef==0 && pCache->pDirty==0 ); if( pCache->pCache ){ sqlite3GlobalConfig.pcache.xDestroy(pCache->pCache); pCache->pCache = 0; pCache->pPage1 = 0; } pCache->szPage = szPage; } /* ** Try to obtain a page from the cache. */ |
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Changes to src/vacuum.c.
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134 135 136 137 138 139 140 | ** (Later:) I tried setting "PRAGMA vacuum_db.journal_mode=OFF" but ** that actually made the VACUUM run slower. Very little journalling ** actually occurs when doing a vacuum since the vacuum_db is initially ** empty. Only the journal header is written. Apparently it takes more ** time to parse and run the PRAGMA to turn journalling off than it does ** to write the journal header file. */ | > > > | > | 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | ** (Later:) I tried setting "PRAGMA vacuum_db.journal_mode=OFF" but ** that actually made the VACUUM run slower. Very little journalling ** actually occurs when doing a vacuum since the vacuum_db is initially ** empty. Only the journal header is written. Apparently it takes more ** time to parse and run the PRAGMA to turn journalling off than it does ** to write the journal header file. */ if( sqlite3TempInMemory(db) ){ zSql = "ATTACH ':memory:' AS vacuum_db;"; }else{ zSql = "ATTACH '' AS vacuum_db;"; } rc = execSql(db, pzErrMsg, zSql); if( rc!=SQLITE_OK ) goto end_of_vacuum; pDb = &db->aDb[db->nDb-1]; assert( strcmp(db->aDb[db->nDb-1].zName,"vacuum_db")==0 ); pTemp = db->aDb[db->nDb-1].pBt; /* The call to execSql() to attach the temp database has left the file |
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