This question is for Linux, but for fellow windows users who found their way here and want a windows solution...
the problem is your Mongodb service is stopped.
So do the following steps:
1) cntrl-alt-del and open your task manager
2) click on 'services'
3) scroll down to MongoDB
4) right click and hit 'start' (or 'restart')
go back to ...
You can use MongoDB's Aggregation Pipeline
to add calculated or constant fields to a query.
stage appends new fields to existing result documents if you don't want to specify
a list of all fields. However, since your example projects a subset of fields you
can also add new fields
using expressions in a
Your find() query would ...
my question is to know if this is feasible
A shard key index cannot be multi key, text, or geospatial, so part of your theoretical approach is definitely infeasible. You also mention considering hashed sharding on a datetime field, which could provide better data distribution for otherwise monotonically increasing values like a timestamp. However, a ...
Just to clarify in case someone stumbles upon this in the future.
MongoDB Replicasets need a majority vote to elect a primary. So uneven amount of nodes are advised because a 4 member replica set requires 3 votes as well as a 5 member replica set.
But with a 5 member replica set 2 members can go down while with 4 only 1 can go down before the replica set ...
I had the same issue when i cloned a VM to make the arbiter. Similar to what aldwinaldwin said, I had to change the ip address in this line in my /etc/hosts file "192.168.1.103 mongodb-arbiter.domain.local mongodb1-arbiter" to match the ip address of the server.