Tail oplog

[Mike Brocious]

Hi,

I'm looking to tail the oplog to send documents to a search engine.
Couple of questions:

1) Are you aware of anybody else who has done this (preferably in
Java)? Would be great to get a running start at it rather than
starting from scratch. I haven't found anything yet.

2) In the event that the master fails, how does the process that's
tailing the oplog know which machine to switch to?

Thanks.

Mike

[Eliot Horowitz]

There are a couple floating around.

A basic java oplog reader is here:
https://github.com/mongodb/mongo-java-driver/blob/master/examples/ReadOplog.java

Wordnik published a backup system using the oplog with java:
https://github.com/wordnik/wordnik-oss

-Eliot

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