Add a few critical wiredTiger cache metrics #24
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keitwb
reviewed
Dec 4, 2019
| # WiredTiger | ||
| if 'wiredTiger' in server_status: | ||
| self.submit('gauge', 'wiredTiger.cache.bytesCurrentlyInTheCache', | ||
| server_status['wiredTiger']['cache']['bytes currently in the cache']) |
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I'm a bit wary of these index lookups since they will throw an exception if any of these keys don't exist. Would be better to use .get(..., {}).get(...) or wrap this added block in an exception handler for IndexError.
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Tested locally against a 3.2.16 mongod.