szlta commented on a change in pull request #909: HIVE-22821
URL: https://github.com/apache/hive/pull/909#discussion_r388199243
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File path: common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
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@@ -4215,6 +4215,12 @@ private static void
populateLlapDaemonVarsSet(Set<String> llapDaemonVarsSetLocal
LLAP_IO_CVB_BUFFERED_SIZE("hive.llap.io.cvb.memory.consumption.", 1L << 30,
"The amount of bytes used to buffer CVB between IO and Processor
Threads default to 1GB, "
+ "this will be used to compute a best effort queue size for VRBs
produced by a LLAP IO thread."),
+
LLAP_IO_PROACTIVE_EVICTION_ENABLED("hive.llap.io.proactive.eviction.enabled",
true,
Review comment:
I'd keep this - should anything go wrong we'll have an option to turn this
feature off, it's better to be prepared for the strangest customer use cases
too where this proactive eviction might not make any perf gain
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