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Overview
Comment: | Prevent auto-work from recycling blocks before the connection doing the auto-work has finished using them. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | freelist-rework |
Files: | files | file ages | folders |
SHA1: |
7b5a26996fd2999c92ee76242a55b421 |
User & Date: | dan 2012-10-31 09:25:34.153 |
Context
2012-10-31
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11:15 | Improve the complex assert() used to check that database file blocks are not leaked or over-allocated. check-in: 1ac4435e5c user: dan tags: freelist-rework | |
09:25 | Prevent auto-work from recycling blocks before the connection doing the auto-work has finished using them. check-in: 7b5a26996f user: dan tags: freelist-rework | |
2012-10-30
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18:46 | Another free-list related fix. check-in: a8acce6c87 user: dan tags: freelist-rework | |
Changes
Changes to src/lsm_shared.c.
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558 559 560 561 562 563 564 565 566 567 568 569 570 571 | ** * Currently in use by a database client, ** * May be used by a database client in the future, or ** * Is the most recently checkpointed snapshot (i.e. the one that will ** be used following recovery if a failure occurs at this point). */ rc = lsmCheckpointSynced(pDb, &iInUse, 0, 0); if( rc==LSM_OK && iInUse==0 ) iInUse = p->iId; if( rc==LSM_OK ) rc = firstSnapshotInUse(pDb, &iInUse); /* Query the free block list for a suitable block */ if( rc==LSM_OK ) rc = findFreeblock(pDb, iInUse, &iRet); /* If a block was found in the free block list, use it and remove it from ** the list. Otherwise, if no suitable block was found, allocate one from | > > | 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 | ** * Currently in use by a database client, ** * May be used by a database client in the future, or ** * Is the most recently checkpointed snapshot (i.e. the one that will ** be used following recovery if a failure occurs at this point). */ rc = lsmCheckpointSynced(pDb, &iInUse, 0, 0); if( rc==LSM_OK && iInUse==0 ) iInUse = p->iId; if( rc==LSM_OK && pDb->pClient ) iInUse = LSM_MIN(iInUse, pDb->pClient->iId); if( rc==LSM_OK ) rc = firstSnapshotInUse(pDb, &iInUse); /* Query the free block list for a suitable block */ if( rc==LSM_OK ) rc = findFreeblock(pDb, iInUse, &iRet); /* If a block was found in the free block list, use it and remove it from ** the list. Otherwise, if no suitable block was found, allocate one from |
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