[jira] [Updated] (HBASE-5258) Move coprocessors set out of RegionLoad, region server should calculate disparity of loaded coprocessors among regions and send report through HServerLoad

2012-01-25 Thread Zhihong Yu (Updated) (JIRA)

 [ 
https://issues.apache.org/jira/browse/HBASE-5258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Zhihong Yu updated HBASE-5258:
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Priority: Critical  (was: Major)

Raising priority as this task is about making the correct design choices.

 Move coprocessors set out of RegionLoad, region server should calculate 
 disparity of loaded coprocessors among regions and send report through 
 HServerLoad
 --

 Key: HBASE-5258
 URL: https://issues.apache.org/jira/browse/HBASE-5258
 Project: HBase
  Issue Type: Task
Reporter: Zhihong Yu
Priority: Critical

 When I worked on HBASE-5256, I revisited the code related to Ser/De of 
 coprocessors set in RegionLoad.
 I think the rationale for embedding coprocessors set is for maximum 
 flexibility where each region can load different coprocessors.
 This flexibility is causing extra cost in the region server to Master 
 communication and increasing the footprint of Master heap.
 Would HServerLoad be a better place for this set ?

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[jira] [Updated] (HBASE-5258) Move coprocessors set out of RegionLoad, region server should calculate disparity of loaded coprocessors among regions and send report through HServerLoad

2012-01-23 Thread Zhihong Yu (Updated) (JIRA)

 [ 
https://issues.apache.org/jira/browse/HBASE-5258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Zhihong Yu updated HBASE-5258:
--

Summary: Move coprocessors set out of RegionLoad, region server should 
calculate disparity of loaded coprocessors among regions and send report 
through HServerLoad  (was: Move coprocessors set out of RegionLoad)

 Move coprocessors set out of RegionLoad, region server should calculate 
 disparity of loaded coprocessors among regions and send report through 
 HServerLoad
 --

 Key: HBASE-5258
 URL: https://issues.apache.org/jira/browse/HBASE-5258
 Project: HBase
  Issue Type: Task
Reporter: Zhihong Yu

 When I worked on HBASE-5256, I revisited the code related to Ser/De of 
 coprocessors set in RegionLoad.
 I think the rationale for embedding coprocessors set is for maximum 
 flexibility where each region can load different coprocessors.
 This flexibility is causing extra cost in the region server to Master 
 communication and increasing the footprint of Master heap.
 Would HServerLoad be a better place for this set ?

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