spark-reviews mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From kayousterhout <...@git.apache.org>
Subject [GitHub] spark pull request #15249: [SPARK-17675] [CORE] Expand Blacklist for TaskSet...
Date Thu, 06 Oct 2016 01:07:41 GMT
Github user kayousterhout commented on a diff in the pull request:

    https://github.com/apache/spark/pull/15249#discussion_r82101036
  
    --- Diff: core/src/main/scala/org/apache/spark/scheduler/BlacklistTracker.scala ---
    @@ -0,0 +1,123 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one or more
    + * contributor license agreements.  See the NOTICE file distributed with
    + * this work for additional information regarding copyright ownership.
    + * The ASF licenses this file to You under the Apache License, Version 2.0
    + * (the "License"); you may not use this file except in compliance with
    + * the License.  You may obtain a copy of the License at
    + *
    + *    http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +
    +package org.apache.spark.scheduler
    +
    +import org.apache.spark.SparkConf
    +import org.apache.spark.internal.config
    +import org.apache.spark.internal.Logging
    +import org.apache.spark.util.Utils
    +
    +private[scheduler] object BlacklistTracker extends Logging {
    +
    +  private val DEFAULT_TIMEOUT = "1h"
    +
    +  /**
    +   * Returns true if the blacklist is enabled, based on checking the configuration in
the following
    +   * order:
    +   * 1. Is it specifically enabled or disabled?
    +   * 2. Is it enabled via the legacy timeout conf?
    +   * 3. Use the default for the spark-master:
    +   *   - off for local mode
    +   *   - on for distributed modes (including local-cluster)
    +   */
    +  def isBlacklistEnabled(conf: SparkConf): Boolean = {
    +    conf.get(config.BLACKLIST_ENABLED) match {
    +      case Some(enabled) =>
    +        enabled
    +      case None =>
    +        // if they've got a non-zero setting for the legacy conf, always enable the blacklist,
    +        // otherwise, use the default based on the cluster-mode (off for local-mode,
on otherwise).
    +        val legacyKey = config.BLACKLIST_LEGACY_TIMEOUT_CONF.key
    +        conf.get(config.BLACKLIST_LEGACY_TIMEOUT_CONF) match {
    +          case Some(legacyTimeout) =>
    +            if (legacyTimeout == 0) {
    +              logWarning(s"Turning off blacklisting due to legacy configuration: $legacyKey
== 0")
    +              false
    +            } else {
    +              // mostly this is necessary just for tests, since real users that want
the blacklist
    +              // will get it anyway by default
    --- End diff --
    
    update comment


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscribe@spark.apache.org
For additional commands, e-mail: reviews-help@spark.apache.org


Mime
View raw message