This tag is for MongoDB major version 3.4
Questions tagged [mongodb-3.4]
125 questions
16
votes
2 answers
How to specify authentication database and target database separately on mongodb connection uri?
I am using this connection uri to connect to mongodb: mongodb://user:password@localhost/admin. It will use admin as bot authentication and target database. How can I make the uri to use admin as authentication but allow me to connect to a different…
Joey Yi Zhao
- 577
- 3
- 9
- 23
11
votes
3 answers
mongorestore Too many open files
When I run mongorestore I get error running create command: 24: Too many open files.
I've updated my launchctl limit and ulimit.
When I run lanchctl limit I get:
cpu unlimited unlimited
filesize unlimited unlimited …
Wylliam Judd
- 163
- 1
- 1
- 7
9
votes
4 answers
How to views all documents in a particular collection of database in MongoDB through mongo Shell?
In the MongoDB shell, how to views all documents in a particular collection for the current database that I'm using?
when i am trying through the query
> db.getCollection().find()
To getting the error as mention below
2017-10-14T00:57:34.363+0530…
Md Haidar Ali Khan
- 6,523
- 9
- 40
- 62
7
votes
0 answers
How to see progress of mongorestore?
Is there any way to get a progress measure or remaining time estimate from mongorestore?
I used mongodump to export a compressed archive, which generated an 8GB file in about an hour and showed a progress bar, and now I'm trying to load the archive…
Cerin
- 1,425
- 6
- 29
- 38
6
votes
1 answer
Multiple BindIp in MongoDB 3.4.1 on Debian Jessie
I just upgraded from MongoDB 3.2 to 3.4.1.
/etc/mongod.conf had a multiple BindIP:
bindIp: [127.0.0.1,192.168.20.1]
This is not working anymore.
I get this error :
Scalar option 'net.bindIp' must be a single value
According to the documentation,…
hotips
- 163
- 1
- 4
6
votes
1 answer
How to add `--sslAllowInvalidCertificates` on mongodb uri?
I have a mongodb server requires x.509 certificate. So I have to use --sslPEMKeyFile and --sslCAFile on mongo shell command to connect to that server. It works fine. In my dev environment, I am using --sslAllowInvalidCertificates parameter. It works…
Joey Yi Zhao
- 577
- 3
- 9
- 23
6
votes
2 answers
Mongodb Secondary Node not recovering
Secondary node of mongodb cluster has entered in Recovering state and it's not coming out of it. Below is what I see in log. I know one way to fix this issue is to reinitialize secondary node by deleting data directory and restarting secondary. But…
Rishi Saraf
- 163
- 1
- 1
- 4
5
votes
2 answers
What's the difference between DISTINCT_SCAN and IXSCAN in explain output?
In Mongo 3.4 explain("executionStats").distinct(...), for some queries
the winning plan contains an IXSCAN step, and for other queries it contains an DISTINCT_SCAN step.
What is the difference between the two? Is one of them faster than the other?
Tzach
- 307
- 3
- 12
4
votes
1 answer
Why $group is very slow in aggregation and how can faster it in MongoDB
My query is taking ~3 seconds to execute with the $group stage, How can I faster this?
My query is:
db.getCollection('employee_data').aggregate([
{ $match: //Filter
},
{
$group:
{
_id: {
employee_id:"$employee_id",
…
Abhilash Lohar
- 41
- 1
- 1
- 2
4
votes
2 answers
MongoDB multiple Cluster data sync
Can we have this type of configuration?
1)MongoDB - Multiple cluster data synchronizing master to master
2)MongoDB - Multiple cluster DR
3)MongoDB - Multiple cluster Blue-green deployment
Mouna Vignesh
- 73
- 1
- 5
4
votes
3 answers
how to set Mongod config set multiple bindIp addresses
I have the following config file:
net:
bindIp: 127.0.0.1
port: 27017
storage:
dbPath: c:\mongoDATA\db
journal:
enabled: true
##systemLog:
## destination: file
## path: C:\mongoDATA\log\mongodb.log
## logAppend: true
this works,…
DCR
- 171
- 1
- 2
- 8
4
votes
0 answers
Primary node of MongoDB ReplicaSet constantly high cpu usage
We use mongo replicaSet version 3.4.2 on our production environments. The replicaSet works with 6 nodes , one primary and 5 secondaries. Few weeks ago we have started to get alerts on high cpu consumption on the primary node.
At the beginning we…
user1953162
- 41
- 2
4
votes
2 answers
How to set up a user who doesn't have `admin` database access but use it as authentication database?
I want to setup a user in MongoDB. This user will not have admin database access. But it uses admin as authentication database. It will fail to connect the mongoDB by this command mongo --host localhost admin. Instead, it can use this command to…
Joey Yi Zhao
- 577
- 3
- 9
- 23
4
votes
1 answer
Service mongod fails after adding security.keyFile in config file
My mongo.conf:
# where to write logging data.
systemLog:
destination: file
logAppend: true
path: /var/log/mongodb/mongod.log
# Where and how to store data.
storage:
dbPath: /var/lib/mongo
journal:
enabled: true
# engine:
# mmapv1:
#…
Abdul Moiz
- 233
- 3
- 8
3
votes
1 answer
Mongo WriteConflictException in log file
I am experiencing ALOT of this WriteConflictException in my mongo log file, this does not seem to affect the application, because I am not seeing any special errors and everything seems to work fine.
Should I be concerned about this?
>
Gleeb
- 131
- 2