cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Jay Zhuang (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-13738) Load is over calculated after each IndexSummaryRedistribution
Date Wed, 23 Aug 2017 20:05:02 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16115899#comment-16115899
] 

Jay Zhuang edited comment on CASSANDRA-13738 at 8/23/17 8:04 PM:
-----------------------------------------------------------------

Updated unittest to make it stable:
| branch | utest |
| [13738-2.2|https://github.com/cooldoger/cassandra/tree/13738-2.2] | [!https://circleci.com/gh/cooldoger/cassandra/tree/13738-2.2.svg?style=svg!|https://circleci.com/gh/cooldoger/cassandra/tree/13738-2.2]
|
| [13738-3.0|https://github.com/cooldoger/cassandra/tree/13738-3.0] | [!https://circleci.com/gh/cooldoger/cassandra/tree/13738-3.0.svg?style=svg!|https://circleci.com/gh/cooldoger/cassandra/tree/13738-3.0]
|
| [13738-3.11|https://github.com/cooldoger/cassandra/tree/13738-3.11] | [!https://circleci.com/gh/cooldoger/cassandra/tree/13738-3.11.svg?style=svg!|https://circleci.com/gh/cooldoger/cassandra/tree/13738-3.11]
|
| [13738-trunk|https://github.com/cooldoger/cassandra/tree/31738-trunk] | [!https://circleci.com/gh/cooldoger/cassandra/tree/13738-trunk.svg?style=svg!|https://circleci.com/gh/cooldoger/cassandra/tree/13738-trunk]
|



was (Author: jay.zhuang):
Updated unittest to make it stable:
| branch | utest |
| [13738-2.2|https://github.com/cooldoger/cassandra/tree/13738-2.2] | [circleci#70 passed|https://circleci.com/gh/cooldoger/cassandra/70]
|
| [13738-3.0|https://github.com/cooldoger/cassandra/tree/13738-3.0] | [circleci#69 passed|https://circleci.com/gh/cooldoger/cassandra/69]
|
| [13738-3.11|https://github.com/cooldoger/cassandra/tree/13738-3.11] | [circleci#68 passed|https://circleci.com/gh/cooldoger/cassandra/68]
|
| [13738-trunk|https://github.com/cooldoger/cassandra/tree/trunk] | [circleci#67 passed|https://circleci.com/gh/cooldoger/cassandra/67]
|

> Load is over calculated after each IndexSummaryRedistribution
> -------------------------------------------------------------
>
>                 Key: CASSANDRA-13738
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13738
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jay Zhuang
>            Assignee: Jay Zhuang
>             Fix For: 2.2.x, 3.0.x, 3.11.x, 4.x
>
>         Attachments: sizeIssue.png
>
>
> For example, here is one of our cluster with about 500GB per node, but {{nodetool status}}
shows far more load than it actually is and keeps increasing, restarting the process will
reset the load, but keeps increasing afterwards:
> {noformat}
> Status=Up/Down
> |/ State=Normal/Leaving/Joining/Moving
> --  Address        Load       Tokens       Owns (effective)  Host ID                
              Rack
> UN  IP1*****       13.52 TB   256          100.0%            c4c31e0a-3f01-49f7-8a22-33043737975d
 rac1
> UN  IP2*****       14.25 TB   256          100.0%            efec4980-ec9e-4424-8a21-ce7ddaf80aa0
 rac1
> UN  IP3*****       13.52 TB   256          100.0%            7dbcfdfc-9c07-4b1a-a4b9-970b715ebed8
 rac1
> UN  IP4*****       22.13 TB   256          100.0%            8879e6c4-93e3-4cc5-b957-f999c6b9b563
 rac1
> UN  IP5*****       18.02 TB   256          100.0%            4a1eaf22-4a83-4736-9e1c-12f898d685fa
 rac1
> UN  IP6*****       11.68 TB   256          100.0%            d633c591-28af-42cc-bc5e-47d1c8bcf50f
 rac1
> {noformat}
> !sizeIssue.png|test!
> The root cause is if the SSTable index summary is redistributed (typically executes hourly),
the updated SSTable size is added again.



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@cassandra.apache.org
For additional commands, e-mail: commits-help@cassandra.apache.org


Mime
View raw message