[
https://issues.jboss.org/browse/ISPN-1786?page=com.atlassian.jira.plugin....
]
Mircea Markus updated ISPN-1786:
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Summary: numVIrtualNodes property is ignored when read from the configuration file
(was: very bad distribution of keys (DIST mode) in 5.1 )
Description:
This might have a dramatic impact performance, caused by uneven distribution.
Here's the result form an radargun benchmark.
Key distribution in 5.0.Final:
Cluster size: 4 -> ( 9818 10242 9898 9899)
Cluster size: 6 -> ( 9724 9585 10152 9964 9739 10115)
Cluster size: 8 -> ( 9260 9680 9971 9378 10079 10086 10274 10017)
Key distribution in 5.1.Final:
Cluster size: 4 -> ( 15505 13698 5918 4482)
Cluster size: 6 -> ( 8761 7820 17145 8188 12827 4183)
Cluster size: 8 -> ( 8391 6302 10773 22068 3589 200 3050 25211)
was:
Here's the result form an radargun benchmark.
Key distribution in 5.0.Final:
Cluster size: 4 -> ( 9818 10242 9898 9899)
Cluster size: 6 -> ( 9724 9585 10152 9964 9739 10115)
Cluster size: 8 -> ( 9260 9680 9971 9378 10079 10086 10274 10017)
Key distribution in 5.1.Final:
Cluster size: 4 -> ( 15505 13698 5918 4482)
Cluster size: 6 -> ( 8761 7820 17145 8188 12827 4183)
Cluster size: 8 -> ( 8391 6302 10773 22068 3589 200 3050 25211)
numVIrtualNodes property is ignored when read from the configuration
file
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Key: ISPN-1786
URL:
https://issues.jboss.org/browse/ISPN-1786
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Reporter: Mircea Markus
Assignee: Mircea Markus
Priority: Critical
Fix For: 5.2.0.FINAL
This might have a dramatic impact performance, caused by uneven distribution.
Here's the result form an radargun benchmark.
Key distribution in 5.0.Final:
Cluster size: 4 -> ( 9818 10242 9898 9899)
Cluster size: 6 -> ( 9724 9585 10152 9964 9739 10115)
Cluster size: 8 -> ( 9260 9680 9971 9378 10079 10086 10274 10017)
Key distribution in 5.1.Final:
Cluster size: 4 -> ( 15505 13698 5918 4482)
Cluster size: 6 -> ( 8761 7820 17145 8188 12827 4183)
Cluster size: 8 -> ( 8391 6302 10773 22068 3589 200 3050 25211)
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