[MAPREDUCE-257] Preventing node from swapping - ASF JIRA

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Details

Type: Improvement
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: None
Component/s: None
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Description

When a node swaps, it slows everything: maps running on that node, reducers fetching output from the node, and DFS clients reading from the DN. We should just treat it the same way as if OS exhausts memory and kill some tasks to free up memory.

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Assignee:: Unassigned

Reporter:: Hong Tang

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Dates

Created:: 13/May/09 12:52

Updated:: 22/Jul/14 23:35

Resolved:: 22/Jul/14 23:35

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Preventing node from swapping