opti:get meta cost for schemaless & add config for write batch in schemaless

include/common/tglobal.h

@@ -125,6 +125,7 @@ extern char tsUdfdLdLibPath[];
 extern char tsSmlChildTableName[];
 extern char tsSmlTagName[];
 extern bool tsSmlDataFormat;
+extern int32_t tsSmlBatchSize;
 
 // wal
 extern int64_t tsWalFsyncDataSizeLimit;

source/client/src/clientSml.c

@@ -79,7 +79,6 @@
 #define NCHAR_ADD_LEN  3  // L"nchar"   3 means L" "
 
 #define MAX_RETRY_TIMES 5
-#define LINE_BATCH      2000
 //=================================================================================================
 typedef TSDB_SML_PROTOCOL_TYPE SMLProtocolType;
 
@@ -2563,7 +2562,7 @@ TAOS_RES *taos_schemaless_insert_inner(SRequestObj *request, char *lines[], char
     goto end;
   }
 
-  batchs = ceil(((double)numLines) / LINE_BATCH);
+  batchs = ceil(((double)numLines) / tsSmlBatchSize);
   params.total = batchs;
   for (int i = 0; i < batchs; ++i) {
     SRequestObj *req = (SRequestObj *)createRequest(pTscObj->id, TSDB_SQL_INSERT, 0);
@@ -2582,7 +2581,7 @@ TAOS_RES *taos_schemaless_insert_inner(SRequestObj *request, char *lines[], char
     info->isRawLine = (rawLine == NULL);
     info->ttl       = ttl;
 
-    int32_t perBatch = LINE_BATCH;
+    int32_t perBatch = tsSmlBatchSize;
 
     if (numLines > perBatch) {
       numLines -= perBatch;

source/common/src/tglobal.c

@@ -75,6 +75,7 @@ char tsSmlChildTableName[TSDB_TABLE_NAME_LEN] = "";  // user defined child table
                                                      // If set to empty system will generate table name using MD5 hash.
 // true means that the name and order of cols in each line are the same(only for influx protocol)
 bool tsSmlDataFormat = false;
+int32_t  tsSmlBatchSize  = 10000;
 
 // query
 int32_t tsQueryPolicy = 1;
@@ -302,6 +303,7 @@ static int32_t taosAddClientCfg(SConfig *pCfg) {
   if (cfgAddString(pCfg, "smlChildTableName", "", 1) != 0) return -1;
   if (cfgAddString(pCfg, "smlTagName", tsSmlTagName, 1) != 0) return -1;
   if (cfgAddBool(pCfg, "smlDataFormat", tsSmlDataFormat, 1) != 0) return -1;
+  if (cfgAddInt32(pCfg, "smlBatchSize", tsSmlBatchSize, 1, INT32_MAX, true) != 0) return -1;
   if (cfgAddInt32(pCfg, "maxMemUsedByInsert", tsMaxMemUsedByInsert, 1, INT32_MAX, true) != 0) return -1;
   if (cfgAddInt32(pCfg, "rpcRetryLimit", tsRpcRetryLimit, 1, 100000, 0) != 0) return -1;
   if (cfgAddInt32(pCfg, "rpcRetryInterval", tsRpcRetryInterval, 1, 100000, 0) != 0) return -1;
@@ -643,6 +645,7 @@ static int32_t taosSetClientCfg(SConfig *pCfg) {
   tstrncpy(tsSmlTagName, cfgGetItem(pCfg, "smlTagName")->str, TSDB_COL_NAME_LEN);
   tsSmlDataFormat = cfgGetItem(pCfg, "smlDataFormat")->bval;
 
+  tsSmlBatchSize = cfgGetItem(pCfg, "smlBatchSize")->i32;
   tsMaxMemUsedByInsert = cfgGetItem(pCfg, "maxMemUsedByInsert")->i32;
 
   tsShellActivityTimer = cfgGetItem(pCfg, "shellActivityTimer")->i32;
@@ -1013,6 +1016,8 @@ int32_t taosSetCfg(SConfig *pCfg, char *name) {
         tstrncpy(tsSmlTagName, cfgGetItem(pCfg, "smlTagName")->str, TSDB_COL_NAME_LEN);
       } else if (strcasecmp("smlDataFormat", name) == 0) {
         tsSmlDataFormat = cfgGetItem(pCfg, "smlDataFormat")->bval;
+      } else if (strcasecmp("smlBatchSize", name) == 0) {
+        tsSmlBatchSize = cfgGetItem(pCfg, "smlBatchSize")->i32;
       } else if (strcasecmp("shellActivityTimer", name) == 0) {
         tsShellActivityTimer = cfgGetItem(pCfg, "shellActivityTimer")->i32;
       } else if (strcasecmp("supportVnodes", name) == 0) {