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Posted to common-dev@hadoop.apache.org by "Amar Kamat (JIRA)" <ji...@apache.org> on 2008/02/08 17:37:07 UTC
[jira] Updated: (HADOOP-2801) Non-speculative and speculative tasks
for a TIP start at the same time.
[ https://issues.apache.org/jira/browse/HADOOP-2801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Amar Kamat updated HADOOP-2801:
-------------------------------
Description: I ran into a situation where the non-speculative task and the speculative task were started at the same time. Ideally there should be a 1 min gap for speculation. One possible reason would be the usage of {{startTime}} in deciding whether there is a speculative lag. (was: I ran into a situation where the non-speculative task and the speculative task were started at the same time. Ideally there should be a 1 min gap for speculation. One possible reason would be the usage of {{startTime}}in deciding whether there is a speculative lag.)
> Non-speculative and speculative tasks for a TIP start at the same time.
> -----------------------------------------------------------------------
>
> Key: HADOOP-2801
> URL: https://issues.apache.org/jira/browse/HADOOP-2801
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Amar Kamat
> Fix For: 0.16.1
>
>
> I ran into a situation where the non-speculative task and the speculative task were started at the same time. Ideally there should be a 1 min gap for speculation. One possible reason would be the usage of {{startTime}} in deciding whether there is a speculative lag.
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