MANAGING A HEALTHY COUCHBASE SERVER DEPLOYMENT Alex Ma | Principal Solutions Engineer | [email protected]
Best Practices: Managing a Healthy Couchbase Server Deployment: Couchbase Connect 2015
Jul 26, 2015
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MANAGING A HEALTHY COUCHBASE SERVER DEPLOYMENT
Alex Ma | Principal Solutions Engineer | [email protected]
©2015 Couchbase Inc. 2
Whats Available?
What does all of that mean??????
External Monitoring systems
Agenda
Whats Available?
©2015 Couchbase Inc. 4
High Level Command line statistics
©2015 Couchbase Inc. 5
High Level Command line statistics
CBStats command – ALL 281 Statistics available EP-engine specific metrics Key Value format Cumulative and Snapshot metrics Per bucket – node level or cluster wide. Integrates with traditional Monitoring systems
©2015 Couchbase Inc. 6
Lower Level Statistics
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Lower Level Statistics
CBStats command - TIMINGS Histogram format Better for real time analysis
©2015 Couchbase Inc. 8
Stats through REST
©2015 Couchbase Inc. 9
Stats through REST
Metrics for all components available. JSON Format Last 60 Measurements returned by default Snapshot metrics
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Web Console Stats
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Web Console Stats
Best for real time troubleshooting Cluster or node specific statistics Summarized Logging Some alerting Details on Statistics
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System Level Statistics
What does it all mean?
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Application Performance
1 2 3
4 5
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Application Performance
General workload Resident Percentage High and Low
watermarks Cache Miss Ratio Disk reads per second Temp OOM
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DISK
Disk Space Compaction Rebalance
Disk IO Sustained vs Peak load Disk write queue and
Backoffs Drain vs Fill rates
©2015 Couchbase Inc. 17
DISK
Disk Space Compaction Rebalance
Disk IO Sustained vs Peak load Disk write queue and
Backoffs Drain vs Fill rates
©2015 Couchbase Inc. 18
DISK
Disk Space Compaction Rebalance
Disk IO Sustained vs Peak load Disk write queue and
Backoffs Drain vs Fill rates
©2015 Couchbase Inc. 19
DISK
Disk Space Compaction Rebalance
Disk IO Sustained vs Peak load Disk write queue and
Backoffs Drain vs Fill rates
Safety
‘Active vBuckets’ count across all the servers should be
equal to “1024”
‘Replica vBuckets’ count across all the servers should
be equal to “1024 * <num of replica’s configured>”
©2015 Couchbase Inc. 21
Network
Connections Current Usage/Limits Connections in
CLOSE_WAIT
Network utilization
©2015 Couchbase Inc. 22
Network
Connections Current Usage/Limits Connections in
CLOSE_WAIT
Network utilization
External Monitoring Systems
©2015 Couchbase Inc. 24
External Monitoring Systems
Questions?
Thank you.
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