diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 2a61fe9d2b1d03b57b888183ab2f935bb1e14367..ee935837d0067466e63869afb35b122552fc63fc 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -955,7 +955,7 @@ SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode,
   pOperator->exprSupp.numOfExprs = numOfCols;
   pOperator->pTaskInfo = pTaskInfo;
 
-  pInfo->metaCache.pTableMetaEntryCache = taosLRUCacheInit(100, -1, .5);
+  pInfo->metaCache.pTableMetaEntryCache = taosLRUCacheInit(1024*128, -1, .5);
   taosLRUCacheSetStrictCapacity(pInfo->metaCache.pTableMetaEntryCache, false);
 
   pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doTableScan, NULL, NULL, destroyTableScanOperatorInfo,