query_cache_param

924060929 · Oct 11, 2024 · 43aeae2 · 43aeae2
1 parent d4b5ac1
commit 43aeae2
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/...org/apache/doris/nereids/trees/plans/distribute/worker/job/AbstractUnassignedScanJob.java b/...org/apache/doris/nereids/trees/plans/distribute/worker/job/AbstractUnassignedScanJob.java
@@ -190,6 +190,7 @@ protected int degreeOfParallelism(int maxParallel) {
             return 1;
         }
         if (fragment.queryCacheParam != null) {
+            // backend need use one parallel for one tablet to look up tablet query cache
             return maxParallel;
         }
         if (scanNodes.size() == 1 && scanNodes.get(0) instanceof OlapScanNode) {