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mongodbwiredtiger

Which version of WiredTiger is being used by MongoDB?

Is it possible to find out which version of WiredTiger I am using with MongoDB? I tried using:-

db.serverStatus().wiredTiger

but I can't find any version info in there.

I installed MongoDB (v3.0.4) out of the box, so I'm trying to figure out what version of WiredTiger it ships with, and whether or not I can use a newer version of WiredTiger instead.

Solution

  • The source for 3.0.4 suggests that you are using WiredTiger 2.5.3:

    https://github.com/mongodb/mongo/tree/r3.0.4/src/third_party/wiredtiger

    WiredTiger 2.5.3: (March 26, 2015)

    This is version 2.5.3 of WiredTiger.

    You can, of course, recompile and attempt to use another version, but you may find it easier to take a look at a dev branch instead and try out newer versions that way, for example:

    https://github.com/mongodb/mongo/tree/r3.1.6/src/third_party/wiredtiger

    MongoDB 3.1.6 seems to be using WiredTiger 2.6.2:

    WiredTiger 2.6.2: (June 4, 2015)

    This is version 2.6.2 of WiredTiger.