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Author SHA1 Message Date
Julius Volz 9f10c63cff
Fix remote read labelset corruption (#3456) 
The labelsets returned from remote read are mutated in higher levels
(like seriesFilter.Labels()) and since the concreteSeriesSet didn't
return a copy, the external mutation affected the labelset in the
concreteSeries itself. This resulted in bizarre bugs where local and
remote series would show with identical label sets in the UI, but not be
deduplicated, since internally, a series might come to look like:

{__name__="node_load5", instance="192.168.1.202:12090", job="node_exporter", node="odroid", node="odroid"}

(note the repetition of the last label)
 2017-11-12 00:47:47 +01:00
Tom Wilkie 746752b946 Merge external labels in order. 2017-10-26 11:44:49 +01:00
Tom Wilkie ee011d906d Port remote read server to 2.0. 2017-10-26 11:09:14 +01:00
Tom Wilkie 56820726fa Move a couple of the encoding/decoding functions into codec.go 2017-10-26 11:08:33 +01:00
Tom Wilkie 16f71a7723 Port codec.go over form 1.8 branch. 2017-10-26 11:08:33 +01:00