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Merge pull request #5068 from taosdata/feature/TD-2863 

[TD-2863]increase query buffer size to 64 bits
This commit is contained in:
haojun Liao 2021-01-28 17:11:49 +08:00 committed by GitHub
parent 198642e1ab ddf6b297e9
commit bf48eef8c7
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 20 additions and 8 deletions
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6
packaging/cfg/taos.cfg
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@ -270,3 +270,9 @@
# in retrieve blocking model, only in 50% query threads will be used in query processing in dnode
# retrieveBlockingModel 0
# the maximum allowed query buffer size in MB during query processing for each data node
# -1 no limit (default)
# 0 no query allowed, queries are disabled
# queryBufferSize -1

3
src/common/inc/tglobal.h
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@ -57,7 +57,8 @@ extern int32_t tsCompressMsgSize;
extern char tsTempDir[];
//query buffer management
extern int32_t tsQueryBufferSize; // maximum allowed usage buffer for each data node during query processing
extern int32_t tsQueryBufferSize; // maximum allowed usage buffer size in MB for each data node during query processing
extern int64_t tsQueryBufferSizeBytes; // maximum allowed usage buffer size in byte for each data node during query processing
extern int32_t tsRetrieveBlockingModel;// retrieve threads will be blocked
extern int8_t tsKeepOriginalColumnName;

7
src/common/src/tglobal.c
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@ -105,6 +105,7 @@ int64_t tsMaxRetentWindow = 24 * 3600L; // maximum time window tolerance
// 0 no query allowed, queries are disabled
// positive value (in MB)
int32_t tsQueryBufferSize = -1;
int64_t tsQueryBufferSizeBytes = -1;
// in retrieve blocking model, the retrieve threads will wait for the completion of the query processing.
int32_t tsRetrieveBlockingModel = 0;
@ -283,7 +284,7 @@ bool taosCfgDynamicOptions(char *msg) {
int32_t cfgLen = (int32_t)strlen(cfg->option);
if (cfgLen != olen) continue;
if (strncasecmp(option, cfg->option, olen) != 0) continue;
if (cfg->valType != TAOS_CFG_VTYPE_INT32) {
if (cfg->valType == TAOS_CFG_VTYPE_INT32) {
*((int32_t *)cfg->ptr) = vint;
} else {
*((int8_t *)cfg->ptr) = (int8_t)vint;
@ -1488,6 +1489,10 @@ int32_t taosCheckGlobalCfg() {
tsSyncPort = tsServerPort + TSDB_PORT_SYNC;
tsHttpPort = tsServerPort + TSDB_PORT_HTTP;
if (tsQueryBufferSize >= 0) {
tsQueryBufferSizeBytes = tsQueryBufferSize * 1048576UL;
}
taosPrintGlobalCfg();
return 0;

12
src/query/src/qExecutor.c
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@ -7730,15 +7730,15 @@ static int64_t getQuerySupportBufSize(size_t numOfTables) {
int32_t checkForQueryBuf(size_t numOfTables) {
int64_t t = getQuerySupportBufSize(numOfTables);
if (tsQueryBufferSize < 0) {
if (tsQueryBufferSizeBytes < 0) {
return TSDB_CODE_SUCCESS;
} else if (tsQueryBufferSize > 0) {
} else if (tsQueryBufferSizeBytes > 0) {
while(1) {
int64_t s = tsQueryBufferSize;
int64_t s = tsQueryBufferSizeBytes;
int64_t remain = s - t;
if (remain >= 0) {
if (atomic_val_compare_exchange_64(&tsQueryBufferSize, s, remain) == s) {
if (atomic_val_compare_exchange_64(&tsQueryBufferSizeBytes, s, remain) == s) {
return TSDB_CODE_SUCCESS;
}
} else {
@ -7752,14 +7752,14 @@ int32_t checkForQueryBuf(size_t numOfTables) {
}
void releaseQueryBuf(size_t numOfTables) {
if (tsQueryBufferSize <= 0) {
if (tsQueryBufferSizeBytes < 0) {
return;
}
int64_t t = getQuerySupportBufSize(numOfTables);
// restore value is not enough buffer available
atomic_add_fetch_64(&tsQueryBufferSize, t);
atomic_add_fetch_64(&tsQueryBufferSizeBytes, t);
}
void* qGetResultRetrieveMsg(qinfo_t qinfo) {