klcopp commented on a change in pull request #2158:
URL: https://github.com/apache/hive/pull/2158#discussion_r608657504
##########
File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/metrics/AcidMetricService.java
##########
@@ -86,22 +88,21 @@ private void collectMetrics() throws MetaException {
private void updateDBMetrics() throws MetaException {
MetricsInfo metrics = txnHandler.getMetricsInfo();
- Metrics.getOrCreateGauge(MetricsConstants.COMPACTION_STATUS_PREFIX +
"txn_to_writeid").set(
- metrics.getTxnToWriteIdCount());
- Metrics.getOrCreateGauge(MetricsConstants.COMPACTION_STATUS_PREFIX +
"completed_txn_components").set(
- metrics.getCompletedTxnsCount());
- Metrics.getOrCreateGauge(MetricsConstants.COMPACTION_STATUS_PREFIX +
"open_txn").set(
- metrics.getOpenTxnsCount());
- Metrics.getOrCreateGauge(MetricsConstants.OLDEST_OPEN_TXN_ID ).set(
- metrics.getOldestOpenTxnId());
- Metrics.getOrCreateGauge(MetricsConstants.OLDEST_OPEN_TXN_AGE ).set(
- metrics.getOldestOpenTxnAge());
- Metrics.getOrCreateGauge(MetricsConstants.NUM_ABORTED_TXNS).set(
- metrics.getAbortedTxnsCount());
- Metrics.getOrCreateGauge(MetricsConstants.OLDEST_ABORTED_TXN_ID).set(
- metrics.getOldestAbortedTxnId());
- Metrics.getOrCreateGauge(MetricsConstants.OLDEST_ABORTED_TXN_AGE).set(
- metrics.getOldestAbortedTxnAge());
+
Metrics.getOrCreateGauge(NUM_TXN_TO_WRITEID).set(metrics.getTxnToWriteIdCount());
+
Metrics.getOrCreateGauge(NUM_COMPLETED_TXN_COMPONENTS).set(metrics.getCompletedTxnsCount());
+
+ // NOTE: AcidOpenTxnsCounterService has a duplicate countOpenTxns()
functionality and could be disabled.
+ // PS: make sure to update `numOpenTxns` counter in TxnHandler.
+ Metrics.getOrCreateGauge(NUM_OPEN_TXNS).set(metrics.getOpenTxnsCount());
+
Metrics.getOrCreateGauge(OLDEST_OPEN_TXN_ID).set(metrics.getOldestOpenTxnId());
+
Metrics.getOrCreateGauge(OLDEST_OPEN_TXN_AGE).set(metrics.getOldestOpenTxnAge());
+
+
Metrics.getOrCreateGauge(NUM_ABORTED_TXNS).set(metrics.getAbortedTxnsCount());
+
Metrics.getOrCreateGauge(OLDEST_ABORTED_TXN_ID).set(metrics.getOldestAbortedTxnId());
+
Metrics.getOrCreateGauge(OLDEST_ABORTED_TXN_AGE).set(metrics.getOldestAbortedTxnAge());
+
+ Metrics.getOrCreateGauge(NUM_LOCKS).set(metrics.getLocksCount());
+ Metrics.getOrCreateGauge(OLDEST_LOCK_AGE).set(metrics.getOldestLockAge());
Review comment:
Since these metrics aren't connected to compaction (they apply to
non-acid tables) is there some other place we could collect them?
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