Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/18555#discussion_r126274206
--- Diff:
core/src/main/scala/org/apache/spark/internal/config/package.scala ---
@@ -88,50 +137,76 @@ package object config {
.createOptional
private[spark] val PY_FILES = ConfigBuilder("spark.submit.pyFiles")
+ .doc("Comma-separated list of .zip, .egg, or .py files to place on " +
+ "the PYTHONPATH for Python apps.")
.internal()
.stringConf
.toSequence
.createWithDefault(Nil)
private[spark] val MAX_TASK_FAILURES =
ConfigBuilder("spark.task.maxFailures")
+ .doc("Number of failures of any particular task before giving up on
the job. " +
+ "The total number of failures spread across different tasks " +
+ "will not cause the job to fail; " +
+ "a particular task has to fail this number of attempts. " +
+ "Should be greater than or equal to 1. Number of allowed retries =
this value - 1.")
.intConf
+ .checkValue(_ > 0, "The retry times of task should be greater than
or equal to 1")
.createWithDefault(4)
// Blacklist confs
private[spark] val BLACKLIST_ENABLED =
ConfigBuilder("spark.blacklist.enabled")
+ .doc("If set to 'true', prevent Spark from scheduling tasks on
executors " +
+ "that have been blacklisted due to too many task failures. " +
+ "The blacklisting algorithm can be further controlled by " +
+ "the other 'spark.blacklist' configuration options. ")
.booleanConf
.createOptional
private[spark] val MAX_TASK_ATTEMPTS_PER_EXECUTOR =
ConfigBuilder("spark.blacklist.task.maxTaskAttemptsPerExecutor")
+ .doc("For a given task, how many times it can be " +
+ "retried on one executor before the executor is blacklisted for
that task.")
.intConf
+ .checkValue(_ > 0, "The value should be greater than or equal to 1")
.createWithDefault(1)
private[spark] val MAX_TASK_ATTEMPTS_PER_NODE =
ConfigBuilder("spark.blacklist.task.maxTaskAttemptsPerNode")
+ .doc("For a given task, how many times it can be " +
+ "retried on one node, before the entire node is blacklisted for
that task.")
.intConf
+ .checkValue(_ > 0, "The value should be greater than or equal to 1")
.createWithDefault(2)
private[spark] val MAX_FAILURES_PER_EXEC =
ConfigBuilder("spark.blacklist.application.maxFailedTasksPerExecutor")
.intConf
+ .checkValue(_ > 0, "The value should be greater than or equal to 1")
.createWithDefault(2)
private[spark] val MAX_FAILURES_PER_EXEC_STAGE =
ConfigBuilder("spark.blacklist.stage.maxFailedTasksPerExecutor")
+ .doc("How many different tasks must fail on one executor, " +
+ "within one stage, before the executor is blacklisted for that
stage.")
.intConf
+ .checkValue(_ > 0, "The value should be greater than or equal to 1")
.createWithDefault(2)
private[spark] val MAX_FAILED_EXEC_PER_NODE =
ConfigBuilder("spark.blacklist.application.maxFailedExecutorsPerNode")
.intConf
+ .checkValue(_ > 0, "The value should be greater than or equal to 1")
.createWithDefault(2)
private[spark] val MAX_FAILED_EXEC_PER_NODE_STAGE =
ConfigBuilder("spark.blacklist.stage.maxFailedExecutorsPerNode")
+ .doc("How many different executors are marked as blacklisted for a
given stage, " +
+ "before the entire node is marked as failed for the stage.")
.intConf
+ .checkValue(_ > 0, "The value should be greater than or equal to 1")
--- End diff --
ditto
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