Traffic cache hardware

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Wikimedia infrastructure


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
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 (U.2 SFF) 10G, BCM57412, bnxt
G Dell R440 2x Xeon Gold 5118 @ 2.3Ghz 24 384 GB 1x Samsung PM1725b 1.6TB NVMe (HHHL Card) 10G, BCM57412, bnxt

Deployed Server Hardware by Datacenter and Cluster

Datacenter text upload total
eqiad 8xF 8xF 16xF
codfw 8xG 8xG 16xG
esams 8xG 8xG 16xG
ulsfo 6xE 6xE 12xE
eqsin 6xE 6xE 12xE
total 12xE + 8xF + 16xG = 36 12xE + 8xF + 16xG = 36 24xE + 16xF + 32xG = 72