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Type:
Bug
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Resolution: Incomplete
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Priority:
Major - P3
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None
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Affects Version/s: 3.0.0-rc11
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Component/s: WiredTiger
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ALL
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RPL 1 04/03/15
v3.0.0-Rc11
Environment:
• Replica set with 2 nodes vs. stand alone mongod
• The measurement has been taken from the same machine, when it was configured as replica set the machine worked as primary.
• Windows 2012 magnatic drive
Workload:
• Used hammer.mongo to do insert only workload
Measured a signficent amount of performance degrdation between Stand Alone to Replica set
| Measurements | Stand alone performance | Replica set (2 members) | Performance difference |
|---|---|---|---|
| IO Write throughput | 12 K operations/sec | 2 K operations/sec | -84% |
| MongoStat info | 15 K inserts/sec | 2 K insert/sec | ..TBD.. |
| Context switchs | 36 K | 4.5K |
More details @ https://docs.google.com/a/10gen.com/document/d/1RyvsyEs0HygsSZJ1hs_02yWxR-NEzjRNi6jf6I38GSo/edit?usp=sharing
will work to identify the bottleneck
- related to
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- Closed
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