[jira] [Updated] (CASSANDRA-5549) Remove Table.switchLock

2014-04-29 Thread Ryan McGuire (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-5549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ryan McGuire updated CASSANDRA-5549:


Labels: qa-resolved  (was: performance)

 Remove Table.switchLock
 ---

 Key: CASSANDRA-5549
 URL: https://issues.apache.org/jira/browse/CASSANDRA-5549
 Project: Cassandra
  Issue Type: Improvement
Reporter: Jonathan Ellis
Assignee: Benedict
  Labels: qa-resolved
 Fix For: 2.1 beta1

 Attachments: 5549-removed-switchlock.png, 5549-sunnyvale.png


 As discussed in CASSANDRA-5422, Table.switchLock is a bottleneck on the write 
 path.  ReentrantReadWriteLock is not lightweight, even if there is no 
 contention per se between readers and writers of the lock (in Cassandra, 
 memtable updates and switches).



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[jira] [Updated] (CASSANDRA-5549) Remove Table.switchLock

2014-02-03 Thread Jonathan Ellis (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-5549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jonathan Ellis updated CASSANDRA-5549:
--

Issue Type: Improvement  (was: Bug)

 Remove Table.switchLock
 ---

 Key: CASSANDRA-5549
 URL: https://issues.apache.org/jira/browse/CASSANDRA-5549
 Project: Cassandra
  Issue Type: Improvement
Reporter: Jonathan Ellis
Assignee: Benedict
  Labels: performance
 Fix For: 2.1

 Attachments: 5549-removed-switchlock.png, 5549-sunnyvale.png


 As discussed in CASSANDRA-5422, Table.switchLock is a bottleneck on the write 
 path.  ReentrantReadWriteLock is not lightweight, even if there is no 
 contention per se between readers and writers of the lock (in Cassandra, 
 memtable updates and switches).



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[jira] [Updated] (CASSANDRA-5549) Remove Table.switchLock

2013-09-23 Thread Jonathan Ellis (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-5549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jonathan Ellis updated CASSANDRA-5549:
--

Labels: performance  (was: )

 Remove Table.switchLock
 ---

 Key: CASSANDRA-5549
 URL: https://issues.apache.org/jira/browse/CASSANDRA-5549
 Project: Cassandra
  Issue Type: Bug
Reporter: Jonathan Ellis
Assignee: Vijay
  Labels: performance
 Fix For: 2.1

 Attachments: 5549-removed-switchlock.png, 5549-sunnyvale.png


 As discussed in CASSANDRA-5422, Table.switchLock is a bottleneck on the write 
 path.  ReentrantReadWriteLock is not lightweight, even if there is no 
 contention per se between readers and writers of the lock (in Cassandra, 
 memtable updates and switches).

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[jira] [Updated] (CASSANDRA-5549) Remove Table.switchLock

2013-08-26 Thread Ryan McGuire (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-5549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ryan McGuire updated CASSANDRA-5549:


Tester: enigmacurry

 Remove Table.switchLock
 ---

 Key: CASSANDRA-5549
 URL: https://issues.apache.org/jira/browse/CASSANDRA-5549
 Project: Cassandra
  Issue Type: Bug
Reporter: Jonathan Ellis
 Fix For: 2.1


 As discussed in CASSANDRA-5422, Table.switchLock is a bottleneck on the write 
 path.  ReentrantReadWriteLock is not lightweight, even if there is no 
 contention per se between readers and writers of the lock (in Cassandra, 
 memtable updates and switches).

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[jira] [Updated] (CASSANDRA-5549) Remove Table.switchLock

2013-08-26 Thread Ryan McGuire (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-5549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ryan McGuire updated CASSANDRA-5549:


Attachment: 5549-removed-switchlock.png

 Remove Table.switchLock
 ---

 Key: CASSANDRA-5549
 URL: https://issues.apache.org/jira/browse/CASSANDRA-5549
 Project: Cassandra
  Issue Type: Bug
Reporter: Jonathan Ellis
 Fix For: 2.1

 Attachments: 5549-removed-switchlock.png


 As discussed in CASSANDRA-5422, Table.switchLock is a bottleneck on the write 
 path.  ReentrantReadWriteLock is not lightweight, even if there is no 
 contention per se between readers and writers of the lock (in Cassandra, 
 memtable updates and switches).

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[jira] [Updated] (CASSANDRA-5549) Remove Table.switchLock

2013-08-26 Thread Ryan McGuire (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-5549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ryan McGuire updated CASSANDRA-5549:


Attachment: 5549-sunnyvale.png

 Remove Table.switchLock
 ---

 Key: CASSANDRA-5549
 URL: https://issues.apache.org/jira/browse/CASSANDRA-5549
 Project: Cassandra
  Issue Type: Bug
Reporter: Jonathan Ellis
 Fix For: 2.1

 Attachments: 5549-removed-switchlock.png, 5549-sunnyvale.png


 As discussed in CASSANDRA-5422, Table.switchLock is a bottleneck on the write 
 path.  ReentrantReadWriteLock is not lightweight, even if there is no 
 contention per se between readers and writers of the lock (in Cassandra, 
 memtable updates and switches).

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