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Overview
| Comment: | Use sqlite3MallocSize() to get the actual size of the memory allocation used for lookaside cache and increase the size of the cache to use the full allocation. |
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| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | experimental-pcache |
| Files: | files | file ages | folders |
| SHA1: |
0e53ecad9468d0a13d155a4462551d4c |
| User & Date: | drh 2011-11-10 02:24:11.076 |
Context
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2011-11-10
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| 02:39 | Follow-on to the previous check-in to prevent a division by zero if the lookahead slot size is something goofy like 6 on a 32-bit machine. (check-in: 6bda711f93 user: drh tags: experimental-pcache) | |
| 02:24 | Use sqlite3MallocSize() to get the actual size of the memory allocation used for lookaside cache and increase the size of the cache to use the full allocation. (check-in: 0e53ecad94 user: drh tags: experimental-pcache) | |
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2011-11-09
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| 17:01 | When compiling with MSVC, use the _msize function. (check-in: 797a147934 user: mistachkin tags: experimental-pcache) | |
Changes
Changes to src/main.c.
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491 492 493 494 495 496 497 498 499 500 501 502 503 504 |
sz = 0;
pStart = 0;
}else if( pBuf==0 ){
sz = ROUNDDOWN8(sz); /* IMP: R-33038-09382 */
sqlite3BeginBenignMalloc();
pStart = sqlite3Malloc( sz*cnt ); /* IMP: R-61949-35727 */
sqlite3EndBenignMalloc();
}else{
sz = ROUNDDOWN8(sz); /* IMP: R-33038-09382 */
pStart = pBuf;
}
db->lookaside.pStart = pStart;
db->lookaside.pFree = 0;
db->lookaside.sz = (u16)sz;
| > | 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 |
sz = 0;
pStart = 0;
}else if( pBuf==0 ){
sz = ROUNDDOWN8(sz); /* IMP: R-33038-09382 */
sqlite3BeginBenignMalloc();
pStart = sqlite3Malloc( sz*cnt ); /* IMP: R-61949-35727 */
sqlite3EndBenignMalloc();
if( pStart ) cnt = sqlite3MallocSize(pStart)/sz;
}else{
sz = ROUNDDOWN8(sz); /* IMP: R-33038-09382 */
pStart = pBuf;
}
db->lookaside.pStart = pStart;
db->lookaside.pFree = 0;
db->lookaside.sz = (u16)sz;
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| ︙ | ︙ |