[GitHub] weijietong commented on a change in pull request #1504: DRILL-6792: Find the right probe side fragment wrapper & fix DrillBuf…

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weijietong commented on a change in pull request #1504: DRILL-6792: Find the right probe side fragment wrapper & fix DrillBuf…
URL: https://github.com/apache/drill/pull/1504#discussion_r229927582
 
 

 ##########
 File path: exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/filter/RuntimeFilterRecordBatch.java
 ##########
 @@ -263,4 +260,41 @@ public void dump() {
         + "originalRecordCount={}, batchSchema={}]",
         container, sv2, toFilterFields, originalRecordCount, incoming.getSchema());
   }
+
+  public enum Metric implements MetricDef {
+    FILTERED_ROWS, APPLIED_TIMES;
+
+    @Override
+    public int metricId() {
+      return ordinal();
+    }
+  }
+
+  public void updateStats() {
+    stats.setLongStat(Metric.FILTERED_ROWS, filteredRows);
+    stats.setLongStat(Metric.APPLIED_TIMES, appliedTimes);
+  }
+
+  private void timedWaiting() {
+    if (!enableRFWaiting || waited) {
+      return;
+    }
+    long startMs = System.currentTimeMillis();
+    while (current == null && batchTimes > 0) {
 
 Review comment:
   Since the HashJoin will fetch the first batch from both sides first, we should let the first probe side batch pass.
   
   will refactor the waiting logic by the condition.

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