anoopsjohn commented on a change in pull request #1552:
URL: https://github.com/apache/hbase/pull/1552#discussion_r438696429
##########
File path:
hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsTableSourceImpl.java
##########
@@ -311,6 +322,27 @@ void snapshot(MetricsRecordBuilder mrb, boolean ignored) {
mrb.addGauge(Interns.info(tableNamePrefix +
MetricsRegionServerSource.NUM_REFERENCE_FILES,
MetricsRegionServerSource.NUM_REFERENCE_FILES_DESC),
tableWrapperAgg.getNumReferenceFiles(tableName.getNameAsString()));
+ addGauge(mrb,
tableWrapperAgg.getMemstoreReadRequestsCount(tableName.getNameAsString()),
+ MetricsRegionSource.READ_REQUEST_ON_MEMSTORE,
+ MetricsRegionSource.READ_REQUEST_ON_MEMSTORE_DESC);
+ addGauge(mrb,
tableWrapperAgg.getMixedRequestsCount(tableName.getNameAsString()),
+ MetricsRegionSource.MIXED_READ_REQUEST_ON_STORE,
+ MetricsRegionSource.MIXED_READ_REQUEST_ON_STORE_DESC);
+ }
+ }
+ }
+
+ private void addGauge(MetricsRecordBuilder mrb, Map<String, Long> metricMap,
String metricName,
+ String metricDesc) {
+ if (metricMap != null) {
+ Iterator<Entry<String, Long>> iterator = metricMap.entrySet().iterator();
+ while (iterator.hasNext()) {
+ Entry<String, Long> entry = iterator.next();
+ // append 'store' and its name to the metric
+ mrb.addGauge(Interns.info(this.tableNamePrefixPart1 + _STORE
+ + entry.getKey().split(MetricsTableWrapperAggregate.UNDERSCORE)[1]
Review comment:
Here the key will be <regionName>_<storeName>?
##########
File path:
hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsTableWrapperAggregate.java
##########
@@ -107,6 +109,13 @@
*/
long getNumReferenceFiles(String table);
+ /**
+ * @return number of get requests from memstore per store for this table
+ */
+ Map<String, Long> getMemstoreReadRequestsCount(String table);
-
+ /**
+ * @return number of get requests from file per store for this table
+ */
+ Map<String, Long> getMixedRequestsCount(String table);
Review comment:
We dont say whether it is read reqs in this method name. This is the
total #rows reads from this Store right? Can we name in that way and avoid
the term mixed?
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