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Displaying posts with tag: clustercheck (reset)

Benchmark: SimpleHTTPServer vs pyclustercheck (twisted implementation)
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Github user Adrianlzt provided a python-twisted alternative version of pyclustercheck per discussion on issue 7.

Due to sporadic performance issues noted with the original implementation in SimpleHTTPserver, the benchmarks which I’ve included as part of the project on github use mutli-mechanize library,

  • cache time 1 sec
  • 2 x 100 thread pools
  • 60s ramp up time
  • 600s total duration
  • testing simulated node …
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Using keepalived for HA on top of Percona XtraDB Cluster
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Percona XtraDB Cluster (PXC) itself manages quorum and node failure.  Minorities of nodes in a network partition situation will move themselves into a Non-primary state and not allow any DB activity.  Nodes in such a state will be easily detectable via SHOW GLOBAL STATUS …

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