sohami 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_r230166642
##########
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:
ahh right. Thanks for explanation. Please add a comment for it that
downstream HashJoinBatch prefetches first batch from both sides in buildSchema
phase hence waiting is done post that phase.
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