-
Notifications
You must be signed in to change notification settings - Fork 28.5k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[SPARK-16711] YarnShuffleService doesn't re-init properly on YARN rol…
…ling upgrade
- Loading branch information
Thomas Graves
committed
Aug 18, 2016
1 parent
b72bb62
commit f0a5c56
Showing
5 changed files
with
302 additions
and
129 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
153 changes: 153 additions & 0 deletions
153
common/network-common/src/main/java/org/apache/spark/network/util/LevelDBProvider.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| /* | ||
| * 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.network.util; | ||
|
|
||
| import com.fasterxml.jackson.annotation.JsonCreator; | ||
| import com.fasterxml.jackson.annotation.JsonProperty; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.google.common.base.Charsets; | ||
| import org.fusesource.leveldbjni.JniDBFactory; | ||
| import org.fusesource.leveldbjni.internal.NativeDB; | ||
| import org.iq80.leveldb.DB; | ||
| import org.iq80.leveldb.Options; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import java.io.File; | ||
| import java.io.IOException; | ||
|
|
||
| /** | ||
| * LevelDB utility class available in the network package. | ||
| */ | ||
| public class LevelDBProvider { | ||
| private static final Logger logger = LoggerFactory.getLogger(LevelDBProvider.class); | ||
|
|
||
| public static DB initLevelDB(File dbFile, StoreVersion version, ObjectMapper mapper) throws | ||
| IOException { | ||
| DB tmpDb = null; | ||
| if (dbFile != null) { | ||
| Options options = new Options(); | ||
| options.createIfMissing(false); | ||
| options.logger(new LevelDBLogger()); | ||
| try { | ||
| tmpDb = JniDBFactory.factory.open(dbFile, options); | ||
| } catch (NativeDB.DBException e) { | ||
| if (e.isNotFound() || e.getMessage().contains(" does not exist ")) { | ||
| logger.info("Creating state database at " + dbFile); | ||
| options.createIfMissing(true); | ||
| try { | ||
| tmpDb = JniDBFactory.factory.open(dbFile, options); | ||
| } catch (NativeDB.DBException dbExc) { | ||
| throw new IOException("Unable to create state store", dbExc); | ||
| } | ||
| } else { | ||
| // the leveldb file seems to be corrupt somehow. Lets just blow it away and create a new | ||
| // one, so we can keep processing new apps | ||
| logger.error("error opening leveldb file {}. Creating new file, will not be able to " + | ||
| "recover state for existing applications", dbFile, e); | ||
| if (dbFile.isDirectory()) { | ||
| for (File f : dbFile.listFiles()) { | ||
| if (!f.delete()) { | ||
| logger.warn("error deleting {}", f.getPath()); | ||
| } | ||
| } | ||
| } | ||
| if (!dbFile.delete()) { | ||
| logger.warn("error deleting {}", dbFile.getPath()); | ||
| } | ||
| options.createIfMissing(true); | ||
| try { | ||
| tmpDb = JniDBFactory.factory.open(dbFile, options); | ||
| } catch (NativeDB.DBException dbExc) { | ||
| throw new IOException("Unable to create state store", dbExc); | ||
| } | ||
|
|
||
| } | ||
| } | ||
| // if there is a version mismatch, we throw an exception, which means the service is unusable | ||
| checkVersion(tmpDb, version, mapper); | ||
| } | ||
| return tmpDb; | ||
| } | ||
|
|
||
| private static class LevelDBLogger implements org.iq80.leveldb.Logger { | ||
| private static final Logger LOG = LoggerFactory.getLogger(LevelDBLogger.class); | ||
|
|
||
| @Override | ||
| public void log(String message) { | ||
| LOG.info(message); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Simple major.minor versioning scheme. Any incompatible changes should be across major | ||
| * versions. Minor version differences are allowed -- meaning we should be able to read | ||
| * dbs that are either earlier *or* later on the minor version. | ||
| */ | ||
| public static void checkVersion(DB db, StoreVersion newversion, ObjectMapper mapper) throws | ||
| IOException { | ||
| byte[] bytes = db.get(StoreVersion.KEY); | ||
| if (bytes == null) { | ||
| storeVersion(db, newversion, mapper); | ||
| } else { | ||
| StoreVersion version = mapper.readValue(bytes, StoreVersion.class); | ||
| if (version.major != newversion.major) { | ||
| throw new IOException("cannot read state DB with version " + version + ", incompatible " + | ||
| "with current version " + newversion); | ||
| } | ||
| storeVersion(db, newversion, mapper); | ||
| } | ||
| } | ||
|
|
||
| public static void storeVersion(DB db, StoreVersion version, ObjectMapper mapper) | ||
| throws IOException { | ||
| db.put(StoreVersion.KEY, mapper.writeValueAsBytes(version)); | ||
| } | ||
|
|
||
| public static class StoreVersion { | ||
|
|
||
| final static byte[] KEY = "StoreVersion".getBytes(Charsets.UTF_8); | ||
|
|
||
| public final int major; | ||
| public final int minor; | ||
|
|
||
| @JsonCreator | ||
| public StoreVersion(@JsonProperty("major") int major, @JsonProperty("minor") int minor) { | ||
| this.major = major; | ||
| this.minor = minor; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
|
|
||
| StoreVersion that = (StoreVersion) o; | ||
|
|
||
| return major == that.major && minor == that.minor; | ||
| } | ||
|
|
||
| @Override | ||
| public int hashCode() { | ||
| int result = major; | ||
| result = 31 * result + minor; | ||
| return result; | ||
| } | ||
| } | ||
|
|
||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.