Şunu da not edeyim mongodb /bin dizininde "mongostat" aracını kullanarak anlık olarak mongo istatistiklerini takip edebilirsiniz.
Size şu değerleri verecektir.
insert - # of inserts per second (* means replicated op)
query - # of queries per second
update - # of updates per second
delete - # of deletes per second
getmore - # of get mores (cursor batch) per second
command - # of commands per second (on a slave, it's local|replicated)
flushes - # of fsync flushes per second
mapped - amount of data mmaped (total data size) megabytes
vsize - virtual size of process in megabytes
res - resident size of process in megabytes
faults - # of pages faults/sec (linux only)
locked - percent of time in global write lock
idx miss - percent of btree page misses (sampled)
qr | qw - queue lengths for clients waiting (read|write)
ar | aw - active clients (read|write)
netIn - network traffic in - bits
netOut - network traffic out - bits
conn - number of open connections
set - replica set name
repl - replication type
M - master
SEC - secondary
REC - recovering
UNK - unknown
SLV - slave
RTR - router
http://www.mongodb.org/display/DOCS/mongostat
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