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Overview
| Comment: | Allow freelist-only age=1 segments to be written even if there are already NMERGE age=1 segments. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
88205b2bc6e7579899c2c840716f9937 |
| User & Date: | dan 2012-11-29 18:25:34.381 |
Context
|
2012-11-29
| ||
| 19:14 | Avoid reading and checksumming an entire meta-page every time a write transaction is opened. check-in: d4c5a3bad7 user: dan tags: trunk | |
| 18:25 | Allow freelist-only age=1 segments to be written even if there are already NMERGE age=1 segments. check-in: 88205b2bc6 user: dan tags: trunk | |
| 09:48 | In mmap-mode, ensure a checkpointer has the entire database file mapped before calling msync(). check-in: a9f8129cce user: dan tags: trunk | |
Changes
Changes to lsm-test/lsmtest_tdb3.c.
| ︙ | ︙ | |||
524 525 526 527 528 529 530 |
int nSleep = 0;
rc = lsm_config(pDb->db, LSM_CONFIG_AUTOFLUSH, &nLimit);
do {
int bOld, nNew, rc;
rc = lsm_info(pDb->db, LSM_INFO_TREE_SIZE, &bOld, &nNew);
if( rc!=LSM_OK ) return rc;
| | | 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 |
int nSleep = 0;
rc = lsm_config(pDb->db, LSM_CONFIG_AUTOFLUSH, &nLimit);
do {
int bOld, nNew, rc;
rc = lsm_info(pDb->db, LSM_INFO_TREE_SIZE, &bOld, &nNew);
if( rc!=LSM_OK ) return rc;
if( bOld==0 || nNew<(nLimit/2) ) break;
usleep(5000);
nSleep += 5;
}while( 1 );
#if 0
if( nSleep ) printf("# waitOnWorker(): nSleep=%d\n", nSleep);
#endif
|
| ︙ | ︙ |
Changes to src/lsm_sorted.c.
| ︙ | ︙ | |||
4718 4719 4720 4721 4722 4723 4724 |
if( nPg ) bDirty = 1;
}
/* If the in-memory part of the free-list is too large, write a new
** top-level containing just the in-memory free-list entries to disk. */
if( rc==LSM_OK && pDb->pWorker->freelist.nEntry > pDb->nMaxFreelist ){
int nPg = 0;
| | | 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 |
if( nPg ) bDirty = 1;
}
/* If the in-memory part of the free-list is too large, write a new
** top-level containing just the in-memory free-list entries to disk. */
if( rc==LSM_OK && pDb->pWorker->freelist.nEntry > pDb->nMaxFreelist ){
int nPg = 0;
while( rc==LSM_OK && lsmDatabaseFull(pDb) ){
rc = sortedWork(pDb, 16, nMerge, 1, &nPg);
nRem -= nPg;
}
if( rc==LSM_OK ){
rc = sortedNewToplevel(pDb, TREE_NONE, &nPg);
}
nRem -= nPg;
|
| ︙ | ︙ |
Changes to www/index.wiki.
1 2 3 4 5 6 7 8 9 10 | <title>SQLite4</title> * [./design.wiki | The Design Of SQLite4] * [./env.wiki | The Run-time Environment Object] * [./varint.wiki | The Varint format] * [./data_encoding.wiki | The Data Encoding] * [./key_encoding.wiki | The Key Encoding] * [./decimal.wiki | Internal representation of numeric values] * [./porting.wiki | Porting an app from SQLite3 to SQLite4] * [./storage.wiki | How to create a new storage engine] | > | 1 2 3 4 5 6 7 8 9 10 11 | <title>SQLite4</title> * [./design.wiki | The Design Of SQLite4] * [./env.wiki | The Run-time Environment Object] * [./varint.wiki | The Varint format] * [./data_encoding.wiki | The Data Encoding] * [./key_encoding.wiki | The Key Encoding] * [./decimal.wiki | Internal representation of numeric values] * [./porting.wiki | Porting an app from SQLite3 to SQLite4] * [./storage.wiki | How to create a new storage engine] * [./lsmusr.wiki | LSM User Manual] |