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[TD-4352]<feature>add tsdbMetaCompactRatio config item

This commit is contained in:
lichuang 2021-08-17 10:31:11 +08:00
parent 150901668c
commit c180e69290
4 changed files with 21 additions and 4 deletions
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2
packaging/cfg/taos.cfg
View File

@ -284,3 +284,5 @@ keepColumnName 1
# 0 no query allowed, queries are disabled
# queryBufferSize -1
# percent of redundant data in tsdb meta will compact meta data,0 means donot compact
# tsdbMetaCompactRatio 30

11
src/common/src/tglobal.c
View File

@ -150,6 +150,7 @@ int32_t tsMaxVgroupsPerDb = 0;
int32_t tsMinTablePerVnode = TSDB_TABLES_STEP;
int32_t tsMaxTablePerVnode = TSDB_DEFAULT_TABLES;
int32_t tsTableIncStepPerVnode = TSDB_TABLES_STEP;
int32_t tsTsdbMetaCompactRatio = TSDB_META_COMPACT_RATIO;
// balance
int8_t tsEnableBalance = 1;
@ -1576,6 +1577,16 @@ static void doInitGlobalConfig(void) {
cfg.unitType = TAOS_CFG_UTYPE_NONE;
taosInitConfigOption(cfg);
cfg.option = "tsdbMetaCompactRatio";
cfg.ptr = &tsTsdbMetaCompactRatio;
cfg.valType = TAOS_CFG_VTYPE_INT32;
cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG;
cfg.minValue = 0;
cfg.maxValue = 100;
cfg.ptrLength = 0;
cfg.unitType = TAOS_CFG_UTYPE_NONE;
taosInitConfigOption(cfg);
assert(tsGlobalConfigNum <= TSDB_CFG_MAX_NUM);
#ifdef TD_TSZ
// lossy compress

1
src/inc/taosdef.h
View File

@ -275,6 +275,7 @@ do { \
#define TSDB_MAX_TABLES 10000000
#define TSDB_DEFAULT_TABLES 1000000
#define TSDB_TABLES_STEP 1000
#define TSDB_META_COMPACT_RATIO 30
#define TSDB_MIN_DAYS_PER_FILE 1
#define TSDB_MAX_DAYS_PER_FILE 3650

11
src/tsdb/src/tsdbCommit.c
View File

@ -14,6 +14,8 @@
*/
#include "tsdbint.h"
extern int32_t tsTsdbMetaCompactRatio;
#define TSDB_MAX_SUBBLOCKS 8
static FORCE_INLINE int TSDB_KEY_FID(TSKEY key, int32_t days, int8_t precision) {
if (key < 0) {
@ -339,7 +341,7 @@ static int tsdbCommitMeta(STsdbRepo *pRepo) {
tsdbCloseMFile(&mf);
tsdbUpdateMFile(pfs, &mf);
if (tsdbCompactMetaFile(pRepo, pfs, &mf) < 0) {
if (tsTsdbMetaCompactRatio > 0 && tsdbCompactMetaFile(pRepo, pfs, &mf) < 0) {
tsdbError("compact meta file error");
}
@ -455,8 +457,9 @@ static int tsdbDropMetaRecord(STsdbFS *pfs, SMFile *pMFile, uint64_t uid) {
static int tsdbCompactMetaFile(STsdbRepo *pRepo, STsdbFS *pfs, SMFile *pMFile) {
float delPercent = (float)(pMFile->info.nDels) / (float)(pMFile->info.nRecords);
float tombPercent = (float)(pMFile->info.tombSize) / (float)(pMFile->info.size);
float compactRatio = (float)(tsTsdbMetaCompactRatio)/100;
if (delPercent < 0.33 && tombPercent < 0.33) {
if (delPercent < compactRatio && tombPercent < compactRatio) {
return 0;
}
@ -465,8 +468,8 @@ static int tsdbCompactMetaFile(STsdbRepo *pRepo, STsdbFS *pfs, SMFile *pMFile) {
return -1;
}
tsdbInfo("begin compact tsdb meta file, nDels:%" PRId64 ",nRecords:%" PRId64 ",tombSize:%" PRId64 ",size:%" PRId64,
pMFile->info.nDels,pMFile->info.nRecords,pMFile->info.tombSize,pMFile->info.size);
tsdbInfo("begin compact tsdb meta file, ratio:%d, nDels:%" PRId64 ",nRecords:%" PRId64 ",tombSize:%" PRId64 ",size:%" PRId64,
tsTsdbMetaCompactRatio, pMFile->info.nDels,pMFile->info.nRecords,pMFile->info.tombSize,pMFile->info.size);
SMFile mf;
SDiskID did;