Hi all,

A high volume of error messages in production logs can make
it hard to glance at error logs after a deployment and
reason about the deployment's impact.[0]  This recurring mail
is part of an ongoing effort to reduce log noise.

At present I'm aware of three unresolved-but-tracked issues
which are causing a fair amount of noise:

* https://phabricator.wikimedia.org/T143756
** UnresolvedRedirectException in EntityAccessor::getEntity
** ~8000 occurrences today

* https://phabricator.wikimedia.org/T226751
** PHP error "non well formed numeric value encountered" from
** ~600 occurrences today

* https://phabricator.wikimedia.org/T239165
** PHP Warning: count(): Parameter must be an array or an
   object that implements Countable in WikibaseMediaInfo
** ~120 occurrences today

As ever, help in eliminating these errors from production
logs is greatly appreciated.

As a procedural note, I'm sending this early in the week due
to the Thanksgiving holiday.  We'll be releasing 1.35.0-wmf.8 to
group 0 tomorrow (Tuesday) and then pausing there until


Brennen Bearnes (he/him)
Release Engineering
Wikimedia Foundation

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