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util.openmetrics: Prettify format of histogram buckets
"%g" turns 1GB into 1.07374e+09, which is a bit awkward for the bytes
measurements IMO. Turning up the precision, at "%.17g" turns 0.1 into
0.10000000000000001 while "%0.16" gives 0.1, hiding most of those pesky
floating point artefacts. Lua version 5.2 uses "%.14g" ( see
LUA_NUMBER_FMT in luaconf.h.html ) so it seems like a sensible choice
here.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Tue, 08 Jun 2021 00:58:27 +0200 (2021-06-07) |
parent | 11289:c6965f3c321c |
child | 12717:898e99f49d80 |
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rules: - id: log-variable-fmtstring patterns: - pattern: log("...", $A) - pattern-not: log("...", "...") message: Variable passed as format string to logging languages: [lua] severity: ERROR - id: module-log-variable-fmtstring patterns: - pattern: module:log("...", $A) - pattern-not: module:log("...", "...") message: Variable passed as format string to logging languages: [lua] severity: ERROR - id: module-getopt-string-default patterns: - pattern: module:get_option_string("...", $A) - pattern-not: module:get_option_string("...", "...") - pattern-not: module:get_option_string("...", host) - pattern-not: module:get_option_string("...", module.host) message: Non-string default from :get_option_string severity: ERROR languages: [lua]