Ngone51 commented on code in PR #36162:
URL: https://github.com/apache/spark/pull/36162#discussion_r895715985
##########
core/src/main/scala/org/apache/spark/internal/config/package.scala:
##########
@@ -2073,6 +2073,37 @@ package object config {
.timeConf(TimeUnit.MILLISECONDS)
.createOptional
+ private[spark] val SPECULATION_EFFICIENCY_ENABLE =
+ ConfigBuilder("spark.speculation.efficiency.enabled")
+ .doc("When set to true, spark will evaluate the efficiency of task
processing through the " +
+ "stage task metrics and only need to speculate the inefficient tasks.
A task is " +
+ "inefficient when its data process rate is less than the average data
process " +
+ "rate of all successful tasks in the stage multiplied by a
multiplier.")
+ .version("3.4.0")
+ .booleanConf
+ .createWithDefault(true)
+
+ private[spark] val SPECULATION_EFFICIENCY_TASK_PROCESS_MULTIPLIER =
+ ConfigBuilder("spark.speculation.efficiency.process.multiplier")
Review Comment:
Accodring to the config naming policy, we should only keep the namespace
when there're multiple configs under it. So if we don't have other config under
the namespace `spark.speculation.efficiency.process`, we should name it as
`spark.speculation.efficiency.processMultiplier`
##########
core/src/main/scala/org/apache/spark/internal/config/package.scala:
##########
@@ -2073,6 +2073,37 @@ package object config {
.timeConf(TimeUnit.MILLISECONDS)
.createOptional
+ private[spark] val SPECULATION_EFFICIENCY_ENABLE =
+ ConfigBuilder("spark.speculation.efficiency.enabled")
+ .doc("When set to true, spark will evaluate the efficiency of task
processing through the " +
+ "stage task metrics and only need to speculate the inefficient tasks.
A task is " +
+ "inefficient when its data process rate is less than the average data
process " +
+ "rate of all successful tasks in the stage multiplied by a
multiplier.")
+ .version("3.4.0")
+ .booleanConf
+ .createWithDefault(true)
+
+ private[spark] val SPECULATION_EFFICIENCY_TASK_PROCESS_MULTIPLIER =
+ ConfigBuilder("spark.speculation.efficiency.process.multiplier")
+ .doc("A multiplier for evaluating the efficiency of task processing. A
task is inefficient " +
+ "when its data process rate is less than the average data process rate
of all " +
+ "successful tasks in the stage multiplied by the multiplier.")
+ .version("3.4.0")
+ .doubleConf
+ .checkValue(v => v > 0.0 && v <= 1.0, "multiplier must be in (0.0, 1.0]")
+ .createWithDefault(0.75)
+
+ private[spark] val SPECULATION_EFFICIENCY_TASK_DURATION_FACTOR =
+ ConfigBuilder("spark.speculation.efficiency.duration.factor")
Review Comment:
ditto.
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