klcopp commented on a change in pull request #2148:
URL: https://github.com/apache/hive/pull/2148#discussion_r617468227
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File path: common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
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@@ -3002,6 +3002,26 @@ private static void
populateLlapDaemonVarsSet(Set<String> llapDaemonVarsSetLocal
HIVE_TXN_READONLY_ENABLED("hive.txn.readonly.enabled", false,
"Enables read-only transaction classification and related
optimizations"),
+ // Configs having to do with DeltaFilesMetricReporter, which collects
lists of most recently active tables
+ // with the most number of active/obsolete deltas.
+
HIVE_TXN_ACID_METRICS_MAX_CACHE_SIZE("hive.txn.acid.metrics.max.cache.size",
100,
+ "Size of the ACID metrics cache. Only topN metrics would remain in the
cache if exceeded."),
+
HIVE_TXN_ACID_METRICS_CACHE_DURATION("hive.txn.acid.metrics.cache.duration",
"7200s",
+ new TimeValidator(TimeUnit.SECONDS),
+ "Maximum lifetime in seconds for an entry in the ACID metrics cache."),
+
HIVE_TXN_ACID_METRICS_REPORTING_INTERVAL("hive.txn.acid.metrics.reporting.interval",
"30s",
+ new TimeValidator(TimeUnit.SECONDS),
+ "Reporting period for ACID metrics in seconds."),
+
HIVE_TXN_ACID_METRICS_DELTA_NUM_THRESHOLD("hive.txn.acid.metrics.delta.num.threshold",
100,
+ "The minimum number of active delta files a table/partition must be
included in the ACID metrics report."),
Review comment:
This is a bit more verbose and maybe more clear: The minimum number of
active delta files a table/partition must have in order to be included in the
ACID metrics report.
(As in, a table/partition must have x number of files in order to be
included :) )
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