How to run the dbhash command on MongoDB config servers

by akira-kurogane 9 years ago

GNU/Linux • rxvt-unicode-256color • bash 3767 views

A short demo showing a mongo shell command to print the config db’s dbhash output to the terminal.

(N.b. This diagnostic technique is probably no longer useful when using MongoDB >= 3.4 because the replicaset-style config servers no longer have the possibility to get out of sync like the older “SCCC”-style config servers could in weird network environments.)

A variation showing how to fetch the same dbhash output in parallel from three config servers at once is in the latter half of the demo.

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