Author - Vinodh Krishnaswamy

Permissions Issue When Upgrading MongoDB with Custom dbPath or logPath

mongodb permissions issue

In Linux distributions, installing MongoDB for the first time using rpm/dpkg will create a conf file, dbPath, logPath and the init scripts on default paths. This includes the creation of a mongod user/group and provides mongod permissions to both the default dbPath (/var/lib/mongo) and logPath (/var/log/mongodb/mongod.log). Then you edit the settings in the config file […]

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Introduction to Docker and Using Percona Server for MongoDB

mongodb in docker containers

In this blog post, I’ll walk through using Docker containers and discuss the advantages of using them to run multiple versions of Percona Server for MongoDB (PSMDB) instances in the same server. This is particularly useful for local testing. Lots of companies have started to use containers for their applications, due to the advantages […]

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Watch Webinar: Config Database (Shardings) Deep Dive

Deep Dive In the Config Database (Shardings)

Please join Percona’s Senior Support Engineer Vinodh Krishnaswamy as he presents Deep Dive In the Config Database (Shardings).
Watch the Recorded Webinar
In MongoDB, we know the Sharded Cluster can migrate chunks across the Shards and also route a query. But where is this information stored, and how is it used by MongoDB to maintain consistency […]

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Upcoming Webinar Thurs 1/31: Percona Server for MongoDB 4.0 Feature Walkthrough

Percona Server for MongoDB 4.0 Feature Walkthrough

Please join Vinodh Krishnaswamy as he presents his talk, Percona Server for MongoDB 4.0 Feature Walkthrough on January 31st, 2019, at 6:00 AM PST (UTC-8) / 9:00 AM EST (UTC-5).

View the Recording

Percona Server for MongoDB is an enhanced, open source, and highly-scalable database. Moreover, it is a fully-compatible, drop-in replacement for MongoDB 4.0 Community […]

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MongoDB Engines: MMAPV1 Vs WiredTiger

review of MongoDB storaage MMAPv1 and WiredTiger

In this post, we’ll take a look at the differences between the MMAP and WiredTiger engines in MongoDB®. I’ve been asked this question by customers many times, and this blog is for you! We’ll tell you about the key features of these engines, then you can choose the right engine based on your requirement.
In […]

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