看mongodb log
Ref: http://stackoverflow.com/questions/15204341/mongodb-logging-all-queries
I ended up solving this by starting mongod like this (hammered and ugly, yeah... but works for development environment):
mongod --profile=1 --slowms=1 &
This enables profiling and sets the threshold for "slow queries" as 1ms, causing all queries to be logged as "slow queries" to the file:
This enables profiling and sets the threshold for "slow queries" as 1ms, causing all queries to be logged as "slow queries" to the file:
/var/log/mongodb/mongodb.log
Now I get continuous log outputs using the command:
Now I get continuous log outputs using the command:
tail -f /var/log/mongodb/mongodb.log
An example log:
An example log:
Mon Mar 4 15:02:55 [conn1] query dendro.quads query: { graph: "u:http://example.org/people" } ntoreturn:0 ntoskip:0 nscanned:6 keyUpdates:0 locks(micros) r:73163 nreturned:6 reslen:9884 88ms
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