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January 7, 2010
News - Snappy Cluster
about 5 years ago
You did a lot to beef things up, but I think you can go farther w/o breaking the bank. The good news is that infrastructure optimization usually requires little in the way of code change.
You don’t mention memory/OS/DB; based on what I know, I’d spec this:
OS - 64-bit Linux (ext4, noatime) or OpenSolaris (ZFS), with a decent swap.
Memory - Double it.
Add memcached servers - store session/shopping cart info, product catalogs, common or long db queries
DB - Add indexes on columns in your where clauses. Do explain plans and tuning analysis to optimize long-running or commonly used queries. (Google for more).
PHP optimizations - XCache and memcached (XCache is more important than ZendOptimizer)
PHP API - Turn on (redundant) memcached servers and “static” page caching
Test, do load and db analysis…
With another 40-160 hours of work, you can be ready for almost anything, without major hardware expenditures (memcached servers can be cheap)….
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