View stunning SlideShares in full-screen with the new iOS app!Introducing SlideShare for AndroidExplore all your favorite topics in the SlideShare appGet the SlideShare app to Save for Later — even offline
View stunning SlideShares in full-screen with the new Android app!View stunning SlideShares in full-screen with the new iOS app!
Amazon EC2 Instance Types 32-bit = Don’t Use Typical MongoD ConfigD/ Arbiter Big MongoD 32-bit = Don’t Use High CPU not necessary
OS Turn off atime Raise file descriptor limits cat >> /etc/security/limits.conf << EOF * hard nofile 65536 * soft nofile 65536 EOF DO NOT use large VM pages Use ext4, xfs Use RAID RAID10 on MongoD RAID1 on ConfigbDB Warning! Known problems with Ubuntu 10.04 & EBS https://bugs.launchpad.net/ubuntu/+source/linux-ec2/+bug/614853 https://bugzilla.kernel.org/show_bug.cgi?id=16991