Collection level buffer cache reporting for MongoDB

Collstat:

Reports buffer cache usage at a collection level, along with all indexes associated with it. It has the functionality to automatically discovers and report on replica set members.

python collstats.py -host 192.0.0.1 -port 40000 -db test -coll foo -discover

• name = db.collection_name or index name (if indented)
• used = bytes currently in the cache
• dirty = tracked dirty bytes in the cache
• pri = pages read into cache
• pwf = pages written from cache
• prq = pages requested from the cache
• ops = number of operations that has used the index

optional arguments:
  -h         Show this help message and exit
  -host      Hostname
  -port      Port number
  -db        Database_name
  -coll        Collection name
  -discover  Discover repset members

Required packages

pip install pymongo

pip install argparse

Requirments

Mongodb running wired tiger storage engine