kgyrtkirk commented on a change in pull request #1223:
URL: https://github.com/apache/hive/pull/1223#discussion_r451486233
##########
File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ReplicationMetricsMaintTask.java
##########
@@ -63,13 +63,12 @@ public void run() {
if (!MetastoreConf.getBoolVar(conf, ConfVars.SCHEDULED_QUERIES_ENABLED))
{
Review comment:
please correct the comment in `initialDelay` method as well
##########
File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ReplicationMetricsMaintTask.java
##########
@@ -63,13 +63,12 @@ public void run() {
if (!MetastoreConf.getBoolVar(conf, ConfVars.SCHEDULED_QUERIES_ENABLED))
{
Review comment:
I think this class should depend on a different config knob
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/parse/repl/metric/MetricSink.java
##########
@@ -121,6 +121,7 @@ public void run() {
ObjectMapper mapper = new ObjectMapper();
Review comment:
is this method supposed to be fast? (because `ArrayList` was created for
a specified size)
...anyway try not to throw away `ObjectMapper` instances right after use -
`ObjectMapper`'s first time use cost could be high
##########
File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ReplicationMetricsMaintTask.java
##########
@@ -63,13 +63,12 @@ public void run() {
if (!MetastoreConf.getBoolVar(conf, ConfVars.SCHEDULED_QUERIES_ENABLED))
{
return;
}
- LOG.debug("Cleaning up older Metrics");
RawStore ms = HiveMetaStore.HMSHandler.getMSForConf(conf);
- int maxRetainSecs = (int)
TimeUnit.DAYS.toSeconds(MetastoreConf.getTimeVar(conf,
- ConfVars.REPL_METRICS_MAX_AGE, TimeUnit.DAYS));
+ int maxRetainSecs = (int) MetastoreConf.getTimeVar(conf,
ConfVars.REPL_METRICS_MAX_AGE, TimeUnit.SECONDS);
+ LOG.info("Cleaning up Metrics older than {} ", maxRetainSecs);
int deleteCnt = ms.deleteReplicationMetrics(maxRetainSecs);
if (deleteCnt > 0L){
Review comment:
nit: space before `{`
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