Brad Fitzpatrick (bradfitz) wrote in lj_maintenance,
Brad Fitzpatrick

New servers

Short version: We're doing upgrades.

Long version:
After our upgrade last week we've been bottlenecked by CPU, not disk, so we ordered 4 new web servers.

lisa's currently at the datacenter, installing 2 new switches (networking equipment) for our new cabinet and the 4 new web servers.

Also in the past week I've been going crazy profiling the code (looking for slow spots) and rewriting it to be more CPU-friendly, which means we get more "miles per gallon" from our existing servers, essentially.

So things were slow for the latter third of the today, but we should have enough power come tomorrow.

Also going on currently is a move from everybody from cluster 1 (Cartman) to cluster 8 (Porkchop). Once everybody's off Cartman (all 280k people) we'll be upgrading the Cluster 1 machines to be crazy fast (like Porkchop) and then moving users from other clusters to Cartman while we upgrade those. So basically shuffling everybody around while we upgrade any hardware that's upgradable.

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