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GlusterFS issues for Web Serving

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linux-howto

http://serverfault.com – I've just tried doing a replicated Gluster setup between 2 web servers. The performance was very poor with simple PHP file operations like file_exists and is_readable taking 15 - 30ms each. A require_once took 1.1 seconds. Like most web setups, writes are very infrequent and reads are extremely common. The servers are 2xquad core Xeons, 8 gig ram and RAID 1 disks. There is a dedicated gigabit network between them. Its not the fastest way to set up GlusterFS but it shouldn't be this slow. What is the best way to improve the situation? The documentation on GlusterFS tuning is lacking, and iden (HowTos)