Apache
/
hadoop
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MAPREDUCE-3712. Change default AM heartbeat interval to 1 second. (Contributed by Hitesh Shah) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1236356 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Siddharth Seth 2012-01-26 19:28:45 +00:00
parent cf16929584
commit 2bd728b366
2 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
hadoop-mapreduce-project/CHANGES.txt
View File

@ -220,6 +220,9 @@ Release 0.23.1 - Unreleased
MAPREDUCE-3512. Batching JobHistory flushing to DFS so that we don't flush
for every event slowing down AM. (Siddarth Seth via vinodkv)
MAPREDUCE-3712. Change default AM heartbeat interval to 1 second. (Hitesh
Shah via sseth)
BUG FIXES
MAPREDUCE-3221. Reenabled the previously ignored test in TestSubmitJob

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java
View File

@ -417,7 +417,7 @@ public interface MRJobConfig {
/** How often the AM should send heartbeats to the RM.*/
public static final String MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS =
MR_AM_PREFIX + "scheduler.heartbeat.interval-ms";
public static final int DEFAULT_MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS = 2000;
public static final int DEFAULT_MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS = 1000;
/**
* If contact with RM is lost, the AM will wait MR_AM_TO_RM_WAIT_INTERVAL_MS