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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2010/01/15 00:21:54 UTC
[jira] Created: (CASSANDRA-702) stop smoothing out JMX stats
stop smoothing out JMX stats
----------------------------
Key: CASSANDRA-702
URL: https://issues.apache.org/jira/browse/CASSANDRA-702
Project: Cassandra
Issue Type: Improvement
Components: Tools
Reporter: Jonathan Ellis
Assignee: Jonathan Ellis
Priority: Minor
Fix For: 0.9
seems like "give me the stats since the last time I was queried" would make more sense. we wouldn't need the stats dequeue for that, either; a few counters would be enough.
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[jira] Commented: (CASSANDRA-702) stop smoothing out JMX stats
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12805285#action_12805285 ]
Jonathan Ellis commented on CASSANDRA-702:
------------------------------------------
rebased
> stop smoothing out JMX stats
> ----------------------------
>
> Key: CASSANDRA-702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-702
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.6
>
> Attachments: 0001-more-efficient-stat-tracking-for-caches.txt, 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt
>
>
> seems like "give me the stats since the last time I was queried" would make more sense. we wouldn't need the stats dequeue for that, either; a few counters would be enough.
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[jira] Updated: (CASSANDRA-702) stop smoothing out JMX stats
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-702:
-------------------------------------
Attachment: (was: 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt)
> stop smoothing out JMX stats
> ----------------------------
>
> Key: CASSANDRA-702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-702
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.6
>
> Attachments: 0001-more-efficient-stat-tracking-for-caches.txt, 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt
>
>
> seems like "give me the stats since the last time I was queried" would make more sense. we wouldn't need the stats dequeue for that, either; a few counters would be enough.
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[jira] Updated: (CASSANDRA-702) stop smoothing out JMX stats
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-702:
-------------------------------------
Attachment: (was: 0001-more-efficient-stat-tracking-for-caches.txt)
> stop smoothing out JMX stats
> ----------------------------
>
> Key: CASSANDRA-702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-702
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.6
>
> Attachments: 0001-more-efficient-stat-tracking-for-caches.txt, 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt
>
>
> seems like "give me the stats since the last time I was queried" would make more sense. we wouldn't need the stats dequeue for that, either; a few counters would be enough.
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[jira] Updated: (CASSANDRA-702) stop smoothing out JMX stats
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-702:
-------------------------------------
Attachment: 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt
0001-more-efficient-stat-tracking-for-caches.txt
> stop smoothing out JMX stats
> ----------------------------
>
> Key: CASSANDRA-702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-702
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.6
>
> Attachments: 0001-more-efficient-stat-tracking-for-caches.txt, 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt
>
>
> seems like "give me the stats since the last time I was queried" would make more sense. we wouldn't need the stats dequeue for that, either; a few counters would be enough.
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[jira] Commented: (CASSANDRA-702) stop smoothing out JMX stats
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12800536#action_12800536 ]
Jonathan Ellis commented on CASSANDRA-702:
------------------------------------------
general consensus on irc that stat queries should not have side effects.
Brandon suggests: "I think counts are easily treated like a network iface counter, incr till you can't and wrap. Cache hits could be a counter and treated the same way, but I don't see a way to solve latency without some kind of smoothing involved."
> stop smoothing out JMX stats
> ----------------------------
>
> Key: CASSANDRA-702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-702
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.9
>
>
> seems like "give me the stats since the last time I was queried" would make more sense. we wouldn't need the stats dequeue for that, either; a few counters would be enough.
--
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[jira] Commented: (CASSANDRA-702) stop smoothing out JMX stats
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12803594#action_12803594 ]
Jonathan Ellis commented on CASSANDRA-702:
------------------------------------------
(these patches apply on top of the ones for CASSANDRA-708)
> stop smoothing out JMX stats
> ----------------------------
>
> Key: CASSANDRA-702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-702
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.6
>
> Attachments: 0001-more-efficient-stat-tracking-for-caches.txt, 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt
>
>
> seems like "give me the stats since the last time I was queried" would make more sense. we wouldn't need the stats dequeue for that, either; a few counters would be enough.
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[jira] Commented: (CASSANDRA-702) stop smoothing out JMX stats
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834879#action_12834879 ]
Hudson commented on CASSANDRA-702:
----------------------------------
Integrated in Cassandra #357 (See [http://hudson.zones.apache.org/hudson/job/Cassandra/357/])
> stop smoothing out JMX stats
> ----------------------------
>
> Key: CASSANDRA-702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-702
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.6
>
> Attachments: 0001-more-efficient-stat-tracking-for-caches.txt, 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt
>
>
> seems like "give me the stats since the last time I was queried" would make more sense. we wouldn't need the stats dequeue for that, either; a few counters would be enough.
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[jira] Updated: (CASSANDRA-702) stop smoothing out JMX stats
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-702:
-------------------------------------
Attachment: 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt
0001-more-efficient-stat-tracking-for-caches.txt
> stop smoothing out JMX stats
> ----------------------------
>
> Key: CASSANDRA-702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-702
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.6
>
> Attachments: 0001-more-efficient-stat-tracking-for-caches.txt, 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt
>
>
> seems like "give me the stats since the last time I was queried" would make more sense. we wouldn't need the stats dequeue for that, either; a few counters would be enough.
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[jira] Commented: (CASSANDRA-702) stop smoothing out JMX stats
Posted by "Brandon Williams (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806364#action_12806364 ]
Brandon Williams commented on CASSANDRA-702:
--------------------------------------------
+1
> stop smoothing out JMX stats
> ----------------------------
>
> Key: CASSANDRA-702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-702
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.6
>
> Attachments: 0001-more-efficient-stat-tracking-for-caches.txt, 0002-replace-remaining-uses-of-TimedStatsDeque-with-Latency.txt
>
>
> seems like "give me the stats since the last time I was queried" would make more sense. we wouldn't need the stats dequeue for that, either; a few counters would be enough.
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