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

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Cant install mongo into PHP (XAMPP, Windows) [on hold]

I'm sitting on it few days and i have no idea what to do next. Since topic was marked as not good for stack overflow and i was sent to serverfault, i'm writing here :) I'm using XAMPP on Windows. ...
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Unable to install php-mongo extension

i'm trying to install the mongo.so extension but it fails. According to PHP Mongo Installation manual, i should run : sudo pecl install mongo tho i get this error : downloading ...
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MongoDB - Error parsing YAML config file: yaml-cpp: error at line 3, column 9: unknown token [on hold]

I'm trying to install and run MongoDB on Yosemite 10.10.4. Here's what I'm doing: brew install mongodb ==> Downloading https://homebrew.bintray.com/bottles/mongodb-3.0.5.yosemite.bottle.tar.gz ...
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10 views

Issue with permissions on MongoDB data directory

TL;DR: MongoDB complains about permissions on a directory where everything is allowed. I am running MongoDB v2.4.10 on Debian Jessie ARM. I'd like to store data on an external drive, which is ...
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15 views

mongodb sh.addShard returns error: host does not belong to replica set

I try to create a mongodb cluster with three config servers, two shards with three replica each and one query router. The installation of the config servers, query router, and the creation of a ...
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How To: Dockerized MongoDB Replication on Elastic Container Service

I have a Node.js app together with a MongoDB database running on AWS ECS. The setup I've got currently is formed of 2 ELB's and 2 Instances running each a Docker container with its assigned service ...
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40 views

Can't config replica set using MongoDB 3

I'm trying to create a replica set in MongoDB version 3.04. I followed this tutorial and getting the next error while trying to add nodes using the primary server: vacrep:PRIMARY> rs.add('server ...
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9 views

pymongo authentication in mac os failing

I have a database named 'abc', for which I created a user "dc". The db.getUsers() from mongo shell shows [ { "_id" : "abc.dc", "user" : "dc", "db" : "abc", "roles" ...
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1answer
31 views

EC2 retirement - Meteor / MongoDB

I am hosting my Meteor Application on an Amazon EC2 instance. Today I got a mail that my instance is scheduled for retirement until the end of month. I don't have any experience with that and what are ...
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7 views

What is the resolved default location mongod.exe looks for the configuration in?

Trying to do a minimal configuration of mongod, and I would like to use the 'natural' pathing structure for the location of the config file. To give an example on what I am looking for, here are the ...
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25 views

MongoDB uses Dynamic Port?

We're using a MongoDB replica on Windows using default ports (27017). Our servers are all behind firewalls and we want to configure the firewall to only allow the default port open. However, when ...
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10 views

MongoDB 3.0 on RHEL 6.5 - Startup fails with WT storageengine

I have MongoDB 3.0 installed on RHEL 6.5. The initial setup was done using MMAPv1 storage engine and works fine. i'm currently trying to switch this installation to a WiredTiger storage engine and ...
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2answers
175 views

Full data backup to Amazon S3

I have an Ubuntu server hosted on Digital Ocean that has outgrown it's existing backup solution. The relevant parts of the stack I use are Node.js, MongoDB, and Elasticsearch. So far backups have ...
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22 views

MongoDB fsyncUnlock won't unlock occasionally on Windows

We have a MongoDB replica set installed on Windows servers, with a scheduled backup job. MongoDB is configured to use journaling. The job runs db.fsyncLock() via script on MongoDB (primary server), ...
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11 views

Mongod cli version differs from db.version

I've followed the instructions to upgrade Mongo from 2.4 to 2.6, which was basically just to install the new binaries, but the versions being reported are inconsistent. I've tried restarting the ...
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Huge oplog size after full sync on one secondary causing performance issues - MongoDB

I'm a MongoDB newbie. I have a replica set with 3 members (1 primary and 2 secondaries) on CentOS 6 and Mongo 2.6.8. One of the secondaries crashed because of high consumption of memory and I ...
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10 views

Ensure Full Admin When Upgrading User Profiles

I have a MongoDB replica set who is sitting on version 2.6 currently. After trying to update our secondary to 3.x, I found out that I need to update the users on the admin table to be 2.6 compliant. ...
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7 views

Disabling Transparent Huge Pages for Mongodb - is it important?

I am running mongodb on a server with other software running as well. So before disabling this setting on my system , i have 2 questions: 1) how much does it change for mongodb ? does it really ...
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14 views

MongoDB backup browse GridFS

I have "big" MongoDB database (~100GB) with GridFS, using mongodump I made backup for this database and I wan't to browse files in GridFS, can this be done without restoring backup?
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15 views

MongoDB start sharding

When I want to move a single mongodb server into a sharded cluster, I know that I need 3 config servers. Since we have evertything on one single EXSi server I just want to ask if it is the preferred ...
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23 views

Random mongo shutdown

I had mongo randomly shutdown on one of my servers today and I was wondering if anyone could take a look at the logs below and tell me what might have happened. The server is hosted on digital ocean ...
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39 views

DataFileSync flushing mmaps takes a long time

We are running MongoDB 2.6.9 on a 64 bit Ubuntu Linux VM. When I look in the database folder, this is what I see with ls -lh: -rw------- 1 mongodb mongodb 64M Apr 15 14:26 admin.0 -rw------- 1 ...
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79 views

Connecting to mongodb on AWS EC2 using java

I am trying to connect to mongoDB on an EC2 instance using java. I am able to connect to the EC2 instance using putty after converting the .pem file into the .ppk file.In case of connecting with java ...
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19 views

AWS deployed mongodb not connecting through node JS driver

I have a weird problem. I was able to connect mongodb through node JS drivers two days back. Suddenly I am getting connection time out. Mongodb is installed on Amazon AWS. I am able to connect mongodb ...
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34 views

mongodb avgObjSize confusion and effect of field length on storage size

I have a Replica Set of 3 instances instance A: Mongodb 3.0 (using wiredtiger storage engine) instance B: Mongodb 2.6 (using good old mmapv1) instance C: Mongodb 3.0 arbiter and i have 3 ...
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107 views

Corrupt WiredTiger MongoDB files

I'm running MongoDB with the WiredTiger engine on an ext4 file system. The last thing that I did was start building an index, but then something came up and I needed to cancel the index build and ...
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119 views

set up Apache2 virtual hosts and now MongoDB connection refused

I'm running Ubuntu 14.04 on an AWS EC2 instance with Apache2. This morning I upgraded my Apache2 settings to allow multiple virtual servers following these instructions. Just now I tried to access my ...
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2answers
112 views

MongoDB WiredTiger storage not using two CPU cores

As claimed in WiredTiger storage engine description, it provides an ability of better concurrency due to document-level locking. From this post: WiredTiger scales on modern, multi-CPU ...
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83 views

mongodb 3.0 wouldn't start on ArchLinux [closed]

I run into some trouble while starting mongodb on my Archlinux. Here's some basic information about my system and config. root /var/lib/mongodb # uname -a Linux yxx1 4.0.4-2-ARCH #1 SMP PREEMPT Fri ...
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72 views

Mongo 2.6.9 process stopping, no error logs

I have a Mongo 2.6.9 process running on a Linux SMP instance. Here's uname -a with the server name redacted: Linux xxx.xxxx.com 3.13.0-042stab085.20 #1 SMP Sun Jul 20 13:27:24 MSK 2014 x86_64 x86_64 ...
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1answer
86 views

Adding an admin user to a MongoDB

I'm using MongoDB 3.0.3, and I've been having issues with creating users. I created a user on the admin database using db.addUser('admin', '....'). I gave it dbAdminAnyDatabase privilege. The output ...
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1answer
64 views

When and how should we shard MongoDB when we are bound to physical machines?

We maintain a search service that serves data from MongoDB. Our Mongo production instance is arranged in a 4 node replica set across four physical servers. The database is comprised of several small ...
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71 views

MongoDB frequently switching primaries

We are running a Mongo 2.6 replica set with 3 members: primary, secondary, arbiter. Nearly every day our MongoDB is switching which server is primary and this causes all connections to that DB to be ...
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64 views

Mongo secondaries stuck at startup state

I have a MongoDB replica set with secondaries that won't make it past the STARTUP state. The database is large but they should have moved to STARTUP2 by now. The correct ports are open as I can ...
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71 views

CentOS 7 Cannot delete ports defined for MongoDB

I installed and later removed the MongoDB server on a CentOS 7 box. While cleaning up, I noticed that the ports assigned to MongoDB were still open. if I remember correctly, I was able to delete the ...
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32 views

MongoDB Backup & purge

I'm exploring solutions for a basic dbadmin need : periodically backing up and purging data in MongoDB. Basically, I need a logrotate for mongodb. I have a backend program filling a collection. I ...
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1answer
45 views

mongod bind_ip bind to wrong ip

I'm trying to setup a mongodb in a FreeBSD jail. I found in the documetation that I can set the bind_ip to 127.0.0.1 to allow only access from localhost. But when I check with sockstats it's bound to ...
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76 views

MongoDB Install Simple Test Ops Manager java.lang.OutOfMemoryError on startup

just installed a test evaluation of MongoDB Ops Manager and get an error on startup of the Backup HTTP server: Migrate MMS data Running migrations...[ OK ] Start MMS server Instance 0 ...
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Mongodb: handle offline queries without affecting regular queries

I have a MongoDB replica set with Three members: primary, secondary and hidden secondary, only for backups. Ideally, I want to add additional instance dedicated to running slow batch operations. The ...
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59 views

LVM Free Disk Space

I have a MongoDB running on a virtual server (Ubuntu 14.04.2 LTS). The MongoDB logs say this: Fri May 8 13:08:02.270 [initandlisten] ERROR: Insufficient free space for journal files Fri May 8 ...
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128 views

Mongodb config file option for authentication

I'm trying to start mongodb(3.0.2) with authentication enabled on mac osx 10.10 from the doc. Starting monodb manually with --auth works and starts without any error. I installed mongodb using ...
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MongoDB - Tie user to specific replica set node

Is there a way in MongoDB 3.0 to allow users access to only a single replica set node? We have a lot more data on disk than we do memory. So to keep our production support from paging into memory ...
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9 views

varnish - little delay after 5 seconds

I installed varnish on a hello world application, along with nginx, hhvm and mongodb. The only things that bugges me is that the first time when I access the url I get around 125 ms response time and ...
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1answer
28 views

Slow mongodb on ruby on rails

I have a ruby on rails application with mysql and mongodb (mongoid framework) running. I tested a load test with siege with the setting -c 60 -r 10 on one page which have 2 stationsong find queries. ...
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1answer
83 views

Permission denied to connect Mongodb with PHP on EC2

I can't connect to the remote EC2 server with PHP because I got permission denied. However I could connect remotely by command line from the same server so it seems the firewall settings are fine and ...
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120 views

exception in initAndListen: 28595 2: No such file or directory, terminating

after server crashed, mongod service don't start. OS: Windows Server 2008 R2 start mongo version: 3.0.0 repair option don't help, journal directory is empty after crash update mongo to 3.0.2, this is ...
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MongoDB Oplog Security

We are using a MongoDB replica set for sharing sessions and other (potentially sensitive) data in a web farm. All the data we store uses TTL indexes to expire documents after a relatively short ...
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1answer
207 views

Chef: mongodb::user_management failing in aws opsworks with “NameError: uninitialized constant Mongo::MongoClient”

I have been using the mongodb cookbook successfully to create user accounts for months but recently something has changed and I can't figure out what it is. The default recipe completes without ...
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1answer
132 views

mongod: symbol lookup error: mongod: undefined symbol: _ZN5boost6detail13once_epoch_cvE

Iam having trouble with my mongodb install : when I run sudo mongod, I get mongod: symbol lookup error: mongod: undefined symbol: _ZN5boost6detail13once_epoch_cvE uname -a Linux xyz 3.2.0-4-686-pae ...
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2k views

Why can't i install mongodb 3.0 on Ubuntu 14.04 32bit?

I have followed all the official istructions listed here: official page In detail, i have done: sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 (seems ok) echo "deb ...