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[TD-3683]<fix>: reduce buffer size for more stable table creation. (#5719) 

Co-authored-by: Shuduo Sang <sdsang@taosdata.com>
This commit is contained in:
Shuduo Sang 2021-04-08 10:50:04 +08:00 committed by GitHub
parent 5fec22e965
commit e8b965c779
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 8 deletions
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13
src/kit/taosdemo/taosdemo.c
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@ -2573,10 +2573,7 @@ static void* createTable(void *sarg)
int64_t lastPrintTime = taosGetTimestampMs(); int64_t lastPrintTime = taosGetTimestampMs();
int buff_len; int buff_len;
if (superTblInfo) buff_len = BUFFER_SIZE / 8;
buff_len = superTblInfo->maxSqlLen;
else
buff_len = BUFFER_SIZE;
char *buffer = calloc(buff_len, 1); char *buffer = calloc(buff_len, 1);
if (buffer == NULL) { if (buffer == NULL) {
@ -2624,7 +2621,7 @@ static void* createTable(void *sarg)
return NULL; return NULL;
} }
len += snprintf(buffer + len, len += snprintf(buffer + len,
superTblInfo->maxSqlLen - len, buff_len - len,
"if not exists %s.%s%d using %s.%s tags %s ", "if not exists %s.%s%d using %s.%s tags %s ",
winfo->db_name, superTblInfo->childTblPrefix, winfo->db_name, superTblInfo->childTblPrefix,
i, winfo->db_name, i, winfo->db_name,
@ -2632,7 +2629,7 @@ static void* createTable(void *sarg)
free(tagsValBuf); free(tagsValBuf);
batchNum++; batchNum++;
if ((batchNum < superTblInfo->batchCreateTableNum) if ((batchNum < superTblInfo->batchCreateTableNum)
&& ((superTblInfo->maxSqlLen - len) && ((buff_len - len)
>= (superTblInfo->lenOfTagOfOneRow + 256))) { >= (superTblInfo->lenOfTagOfOneRow + 256))) {
continue; continue;
} }
@ -5174,8 +5171,8 @@ static void startMultiThreadInsertData(int threads, char* db_name,
if ((superTblInfo->childTblExists == TBL_ALREADY_EXISTS) if ((superTblInfo->childTblExists == TBL_ALREADY_EXISTS)
&& (superTblInfo->childTblOffset >= 0)) { && (superTblInfo->childTblOffset >= 0)) {
if ((superTblInfo->childTblLimit < 0) if ((superTblInfo->childTblLimit < 0)
|| ((superTblInfo->childTblOffset + superTblInfo->childTblLimit) || ((superTblInfo->childTblOffset + superTblInfo->childTblLimit)
> (superTblInfo->childTblCount))) { > (superTblInfo->childTblCount))) {
superTblInfo->childTblLimit = superTblInfo->childTblLimit =
superTblInfo->childTblCount - superTblInfo->childTblOffset; superTblInfo->childTblCount - superTblInfo->childTblOffset;