Last week in servers

Server-related events, problems, and changes included:

• 14 February-15 — Recovery from the crash of zwinger.
• 15 February — mailman back online, upgraded to 2.1.7.
• 17 February — srv55, srv57, srv61, and srv67 taken out of service due to bad RAM.
• 17 February — Wikidiff2, a C++ port of the "compare differences" algorithm, disabled due to adverse effects on apaches.
• 18 February — Wikidiff2 fixed, re-enabled.
• 20 February — German Wiktionary enables sysop patrolling.