MongoDB is a document oriented database (also known as NoSQL database).

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159 views

ENTRYPOINT & CMD commands with mongod results in unknown option error

I am using multiple Dockerfiles to setup my server infrastructure. One of the Dockerfiles I build is a MongoDB server which will be linked to a running web server application in a later step. ...
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1answer
1k views

mongod won't run without me specifying my own conf path

I recently upgraded my apt-get and now mongod isn't behaving correctly. I currently have to run via: mongod --dbpath /var/lib/mongodb and leave the terminal open for it to work. If I just run ...
2
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1answer
198 views

Do I need to run db.repairDatabase() on every mongod?

I'm handling a MongoDB (2.4.10) sharded cluster that has only 1 replica set till now. I ran db.repairDatabase() on a mongos. With that, I could reclaim free space on the primary node. But not on the ...
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1answer
918 views

Rename Mongo Shard

Can I, and if I can, how can I rename a shard in Mongo? Like if I wanted to change the instances of rs0 to rep0 below: mongos> sh.status() --- Sharding Status --- sharding version: { "_id" ...
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1answer
468 views

Backup Mongodb on EC2 through EBS snapshots - timing issue

I'm following this guidance http://docs.mongodb.org/ecosystem/tutorial/backup-and-restore-mongodb-on-amazon-ec2/ I have 4 EBS 1000 IOPS volumes assigned to instance These 4 volumes through MDADM ...
0
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1answer
409 views

Mongodump on Gridfs is killing the host IOs

I'm trying to make a mongodump from our production mongodb while the production is running. We have three production instances, one regular mongodb, one with very few gb of data on gridfs, one with a ...
1
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1answer
103 views

MongoDB Mergelist error in Debian 6.0.9

We installed Ubiquiti UniFi 2.4.6 which installs Mongodb 10gen on Debian Squeeze 6.0.9. This was a clean install, with no other packages installed from the base install (other than SSH). I was able ...
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1answer
201 views

Amazon OpsWorks - unable to reference ebs volume in mongo dbpath

I'm deploying mongo with Amazon OpsWorks as described in the Setting Up a MongoDB Replicaset With AWS OpsWorks and the instance fails to start when I specify mounted ebs volume (/data/ebs) in dbpath. ...
6
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1answer
10k views

how to connect to mongodb server via ssh tunnel

It was easy for me to connect to my remote mysql server on AWS using a sequelpro, however I'm struggling with doing the same thing with mongodb. I tried setting up an ssh tunnel via command line ...
4
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1answer
635 views

mongo as service error: Cannot determine state of server

I am trying to use mongodb as a service and started with heroku services ie dashboard.heroku.com/apps/scaleqamongo/resources. I tried multiple addons which they call like mongolab, mongohq. I create ...
2
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1answer
3k views

installing mongodb on 14.04

I was trying to install mongodb into a fairly clean Ubuntu 14.04. I used the following commands: sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 echo 'deb ...
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1answer
199 views

Using Replication for Migration on MongoDB

I'm interesting in using replica set feature on Mongo as a method for smoothly migrating between machines. My Mongo database is currently a standalone instance. I realize the recommended practice is ...
2
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1answer
4k views

How to start Mongo daemon with auth support

I want to start the MongoDB daemon with auth support using the Mongo init script: sudo /etc/init.d/mongod start I have also added db users to the database to authenticate. I'm working with two ...
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0answers
155 views

Migrate standalone Mongo DBs to sharded/replicated cluster

Currently I have several independent standalone Mongo servers. I have Now set up a sharded and replicated Mongo cluster. I plan to copy over all databases from the standalone Mongo servers to the ...
0
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1answer
211 views

mongodb on aws 2 region replication

I think I already have the answer, but I'm a developer so thought I'd check here first. There are AWS regions with more than 2 zone, but some with only 2. E.g. Sydney. Now if I were to deploy a ...
1
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1answer
500 views

trying to install mongo but getting errors

I am following mongo site (http://docs.mongodb.org/manual/tutorial/install-mongodb-on-red-hat-centos-or-fedora-linux/ ) to install mongo on my centos 5.1o I am getting following errors sudo yum ...
2
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3answers
2k views

How to set ulimits for mongod?

How do I set ulimits for the mongod process/user on CentOS? I've read the official documentation but it doesn't provide OS-specific instructions. I need to set ulimit -u 64000 and need this to ...
1
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1answer
132 views

using cas server with mongodb backend

I 'm new to setting up cas(Central Authentication Service) server. I couldn't find any guides to setup mongodb as backend for CAS server. Is there an adapter to connect CAS and mongodb. BTW, we don't ...
5
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2answers
1k views

Installing multiple mongoDB versions on the same server

I have installed a 2.4 mongoDB version and I'd like to compare against the recently released 2.6 version. I want to know if possible to do a clean new install rather en an update to see if those two ...
1
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1answer
607 views

Incremental backup mongodb using rsync

I want to store small files (60 kb, couple of millions) into MongoDB, I was thinking using GridFS, but it seems BSON will do. Anyway, I want to make rsync to backup the mongodb chunk files, so ...
0
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1answer
193 views

Do I need to manually promote a replication node to Primary after a Primary node failure?

I have a basic 3 member MongoDB replication set. 1 x Primary 2 x Secondary A = Primary B = Secondary C = Secondary The Mongod service on the Primary stopped, and as expected, one of the Secondaries ...
0
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1answer
337 views

mongoose/mongodb DoS-ing a nodeJS instance [closed]

We have a nodeJS instance inside a AWS VPC that makes a request to a mongodb instance running in another availability zone. The node instance is hit with a particular request a lot. That request is ...
2
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1answer
311 views

MongoDB 100% locked periodically. MMS charts attached

Trying to diagnose what could be causing intermittent lock-up on MongoDB server running behind a Rails application. Hoping that someone might recognise the pattern of peaks and troughs in the charts ...
0
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1answer
365 views

Backup MongoDB database copying files in `dbpath`?

I need a daily backup of all MongoDB databases in our single-instance server (without stopping the MongoDB service). Our server is in Rackspace so I'm wondering if a valid strategy could be just add ...
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0answers
1k views

how to integrate between MONGODB & SOLR, using MONGO-CONNECTOR

Like this I started my mongod with replSet mod mongod --dbpath=/home/local/ASSYST-COC/so/mongo --replSet myrep --auth mongo started mongo -u root -p root --authenticationDatabase admin IN ...
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2answers
1k views

Apache fails to start after PHP upgrade on CentOS 6.5 x64

I have a developer server with CentOS 6.5 and PHP 5.5.11 (latest from REMI repos). Today I did: yum --enablerepo=remi,remi-php55 update That updated Apache and some other libraries like Mongo for ...
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2answers
816 views

Did my mongoDB server crash because the database is too large?

I've had no problems with my Mongo set up for a couple of years until it shutdown unexpectedly yesterday. I found no error in the logs from around the time it stopped. It seems like a neat ...
2
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1answer
429 views

iptables blocking local connection to mongodb

I have a VM (Ubuntu 12.04.4 LTS) with mongodb (2.0.4) that I want to restrict with iptables to only accepting SSH (in/out) and nothing else. This is how my setup script looks like to setup the rules: ...
2
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3answers
4k views

Copy mongodb collection between two servers AND different mongo versions …

I have a collection in a mongoDB, on a project that runs locally, and have to copy the collection to the dev server. Can you tell me how to do this, considering that: The local machine (the source) ...
2
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0answers
483 views

How to find/kill long running mongo scripts

I think I have a long running mongo script tanking my database, but I'm not sure. I was connected to the linux server via SSH and I ran the script like so: mongo my_database my_script.js It started ...
5
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3answers
2k views

MongoDB and ZFS bad performance: disk always busy with reads while doing only writes

I have huge performance issues using MongoDB (i believe it is mmapped DB) with ZFSonlinux. Our Mongodb is almost only writes. On replicas without ZFS, disk is completely busy for ~5s spikes, when app ...
0
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1answer
110 views

Strange Mongo DB writelock values in logfile

I'm getting some strange writelock values in my Mongo DB logfile: Wed Mar 19 10:03:47.007 [snapshotthread] cpu: elapsed:4010 writelock: 0% Wed Mar 19 10:03:51.007 [snapshotthread] cpu: elapsed:4000 ...
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1answer
2k views

mongodb cannot connect over network

Im trying to connect to a mongodb server over a network but I cant get the connection to work. I can connect like so on the local computer on which the server is running: mongo localhost:27027 But ...
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0answers
626 views

MongoDB Performance Troubleshooting

I have a small MongoDB replica set (2.4.6) and it seems about once a week, the primary gets bogged and the load average spikes up. This app doesn't see a huge amount of traffic. It resides in EC2 ...
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1answer
56 views

How do I accept two different types of network connections using iptables

I need to setup iptables for a mongodb database server, such that it allows only two types of INPUT connections: one connection to port 27017, monogdb's default port, from our main web-app one ssh ...
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1answer
330 views

MongoDB starting gets terminating

I am installing the mongodb with the default configurations, and that gets started normally, but when I changed the dbpath value to point to different position it started giving me the exceptions, can ...
0
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1answer
304 views

When does the replication from primary to secondary happen in mongodb?

I have setup a 3 node replica set. Writing to primary node works but when I read with readPreference=secondary; I get values as null. When I open the local node with robomongo I see that the ...
2
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1answer
270 views

mongodb 2.4.9 is crashing on wheezy when running as root

I installed mongodb-10gen v2.4.9 on a debian Wheezy, and I'm having this really weird behavior: if I run it as root I can't get it starts: root@xx:~# /etc/init.d/mongodb stop [ ok ] Stopping ...
0
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1answer
274 views

MongoDB: big size of mapped memory

I'm not expert in mongo memory management but some things confuse me. I use Mongo 2.4.9 and I have a replica sets for three nodes. I have performed db.serverStatus().mem and see that size of mapped is ...
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1answer
1k views

Adding more space to VirtualBox HD (Centos Host) does not add space in the folder [closed]

I am running Centos 6.5 guest on Windows 7 Pro host (VirtualBox v4.3.6) - all 64 bit. I am trying to increase the size of Centos virtual disk (which is currently about 15G) to 90G. I did run the ...
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1answer
802 views

Why is mongod not using all available RAM?

We have an mongod instance runnning on a VM, and it doesn't seem to be using all available memory. It's page-faulting significantly more than usual, and the system's performance has been significantly ...
0
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1answer
60 views

MongoDB sharding authentication with multiple keyFile's

I have configured MongoDB with sharding something like below. Shard1 Shard2 Shard3 -------- -------- ------- rs1(Pri) rs1(Sec) rs1(Sec) rs2(Sec) rs2(Pri) rs2(Sec) rs3(Sec) ...
0
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1answer
528 views

Mongodb monitoring using mikoomi plugin of zabbix is not rendering any data

I'm using mikoomi plugin https://code.google.com/p/mikoomi/wiki/03 to monitor mongo db, in that there is shell script which is calling php script and returning 0 to zabbix and parallely writing a data ...
3
votes
1answer
3k views

php-devel failed on installation red-hat 6

I'm trying to install mongodb driver with pecl and for this i need phpize (php-devel). Does anyone know how can i resolve this issue or there is another way to install php-mongodb driver? I try as ...
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2answers
445 views

Load Balancing MongoDB

I have an application written in java with tomcat that I am ready to start scaling for production. As I understand it, i shouldn't use a load balancer with mongodb router instances as it can cause ...
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2answers
878 views

Mongo Sharding - Config Server and Mongo Authentication

I am needing to shard a database fairly soon, and am unclear on what the best practice is for enabling authentication on the mongos and config servers. I would like to have everything be secured with ...
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0answers
33 views

MySQL version of MongoDB Replica. OR MySQL MongoDB Driver

Not sure if this is the right stack exchange site for this question so if it is can you please advise which one would be best. Is there any way to either: A)Have MySQL run via a dedicated driver / ...
0
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1answer
798 views

MongoDB Failover Replica Set

I'm newbie to mongodb replica sets and sharding.. I am setting up IP Failover on two servers. I set up DNS failover at AWS route 53 to switch the IP address in case the main server goes down. I also ...
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1answer
683 views

How can I exclude a package from yum-cron but not from manual “yum upgrade”?

I've just gone through my servers and installed yum-cron (and then enabled with chkconfig yum-cron on since that doesn't seem to happen automatically). Now I realise that I'm running a MongoDB ...
1
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1answer
192 views

Starting MongoDB with SystemD by listening to a Socket

I'd like to run MongoDB on my development machine whenever the Port 27017 requested but not before that. I already got parts of the file /usr/lib/systemd/system/mongodb.socket but now I'm stuck what ...