haridsv commented on code in PR #7136:
URL: https://github.com/apache/hbase/pull/7136#discussion_r2185276378
##########
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/ParallelSeekHandler.java:
##########
@@ -46,12 +51,25 @@ public ParallelSeekHandler(KeyValueScanner scanner,
ExtendedCell keyValue, long
this.keyValue = keyValue;
this.readPoint = readPoint;
this.latch = latch;
+ this.isScanMetricsEnabled =
ThreadLocalServerSideScanMetrics.isScanMetricsEnabled();
+ this.bytesReadFromFs =
ThreadLocalServerSideScanMetrics.getBytesReadFromFsCounter();
+ this.bytesReadFromBlockCache =
+ ThreadLocalServerSideScanMetrics.getBytesReadFromBlockCacheCounter();
}
@Override
public void process() {
try {
+
ThreadLocalServerSideScanMetrics.setScanMetricsEnabled(isScanMetricsEnabled);
+ if (isScanMetricsEnabled) {
+ ThreadLocalServerSideScanMetrics.reset();
+ }
scanner.seek(keyValue);
Review Comment:
No, I mean to ask what disk read activity would happen as part of the seek().
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