Traffic cache hardware

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This is an overview of our currently deployed and active cache hardware at the Traffic layer.

Deployed Hardware Classes

We have purchased and retired multiple classes of server hardware over the years in staggered timeframes. In the general case we'll always have multiple overlapping classes of hardware as various warranty and support periods expire. These are the currently-active hardware configuration classes:

Label Model CPU Type/Speed Phys Cores RAM Cache Storage NIC speed, type, driver
D Dell R630 2x Xeon E5-2680 v3 @ 2.50GHz 24 256 GB 2x Intel S3700 400GB SSD 10G, BCM57800, bnx2x
E Dell R430 2x Xeon E5-2650 v4 @ 2.20GHz 24 384 GB 2x Intel S3710 800GB SSD 10G, BCM57810, bnx2x
F Dell R440 2x Xeon Gold 5118 @ 2.3Ghz 24 384 GB 1x Samsung PM1725a 1.6TB NVMe 10G, BCM57412, bnxt

Deployed Server Hardware by Datacenter and Cluster

Datacenter text upload total notes
eqiad 8xF 8xF 16xF (doesn't count cp1008 test server in eqiad)
codfw 10xD 12xD 20xD (was originally 8+10, but added excess capacity from decommed cluster)
esams 7xD 10xD 17xD (was originally 8+12, but 3x hardware failures have accumulated)
ulsfo 6xE 6xE 12xE
eqsin 6xE 6xE 12xE
total 17xD + 12xE + 8xF = 37 22xD + 12xE + 8xF = 42 79