dongjoon-hyun commented on code in PR #36597:
URL: https://github.com/apache/spark/pull/36597#discussion_r876457821
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core/src/main/scala/org/apache/spark/internal/config/History.scala:
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@@ -41,6 +41,15 @@ private[spark] object History {
.timeConf(TimeUnit.SECONDS)
.createWithDefaultString("10s")
+ val UPDATE_BATCHSIZE = ConfigBuilder("spark.history.fs.update.batchSize")
+ .doc("Specifies the batch size for updating new eventlog files. " +
+ "This controls each scan process to be completed within a reasonable
time, and such " +
+ "prevent the initial scan from running too long and blocking new
eventlog files to " +
+ "be scanned in time in large environments.")
+ .version("3.4.0")
+ .intConf
+ .createWithDefault(1000)
Review Comment:
In addition, the default value should be `Int.MaxValue` to be safe,
@hai-tao-1 .
For the new configuration, we disable it by default to be safe at the
initial release. We can reduce it at the next release.
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