[erlang-questions] locking caveats in file module

Max Lapshin max.lapshin@REDACTED
Wed May 18 08:37:50 CEST 2016

We have been hunting a performance bug on customer installation during some
time and have found that group of processes (about 300) each hour (when new
archive file is opened) got locked with following stacktrace:







Just a friendly reminder that most of file access functions are called via
singleton process.
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