#33951: mtail floods its logs with garbage ---------------------------------------------------+---------------------- Reporter: anarcat | Owner: anarcat Type: defect | Status: assigned Priority: Medium | Milestone: Component: Internal Services/Service - cache | Version: Severity: Normal | Keywords: Actual Points: | Parent ID: Points: | Reviewer: Sponsor: | ---------------------------------------------------+---------------------- we seen ton of this garbage in the mtail logs:
{{{ I0421 18:43:02.307808 21142 file.go:168] file type does not support deadline }}} there's a lot to unpack here: * weird log format: the first word is `IMMDD`, that is the above message is from April 21st (the I is for "Irrelevant character", i guess?) * 21142 is the pid * `file type does not support deadline` is an error from the golang standard library and occurs when someone calls `SetReadDeadline` on a file that doesn't support it This happens every minute or so. It gathers about a gigabyte of logs a month or two. In later versions of mtail, this is fixed by making turning the "warning" (technically, it's an "Info" message, but those are displayed unconditionnally) into a "verbose" (technically `V(2)`) message that doesn't get shown by default. The package from buster doesn't have that fix, but the current version in unstable (rc24) does have it. -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33951> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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