Questions tagged [wiredtiger]

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Adding Mongo WiredTiger node to MMAPv1 replica set leads to “No keys found for HMAC”

I have a 3-node Replica Set (primary + 2 secondaries). They are all running Mongo 4.0.18 using the MMAPv1 engine. I am trying to switch the replica set over to use WiredTiger. I read through the ...
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directoryperDB is not working under WiredTiger storage Engine

When i enable the directoryperdb option in the mongo.conf file, mongodb server service doesn't start. 2020-03-16T15:37:55.300+0530 I CONTROL [main] Automatically disabling TLS 1.0, to force-enable ...
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1answer
155 views

How to avoid massive number of files open at once?

I've been running MongoDB for several years under the MMAPv1 storage engine, but now need to upgrade to WiredTiger. (Mainly so I can use event streams, but also because mmapv1 has been deprecated). ...
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Restore mongoDB by --repair and WiredTiger

We accidentally deleted the directory rm -rf /data/db which was our MongoDB path, and thanks to extundelete, we recovered it and got the directory /data/db. Here are our files in the directory, and ...
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WiredTiger storage engine reports a large number of rollbacks in MongoDB

We have a MongoDB replication set consisting of three members: "members" : [ { "_id" : 6, "host" : "10.0.0.17:27017", ...