v1.1

query api

• Graphite pipe query syntax. #1854
• Implement /metrics/expand endpoint #1795
• Meta tags: avoid frequent write locks #1881
• Native aggregateWithWildcards (and sum / multiply / avg) #1863
• Native substr #1363
• Native timeShift #1873
• Tagged delete #1902

monitoring and limits

• Update profiletrigger: switch from vsz to rss and add threshold for heap as well #1914
• Monitoring of number of goroutines and other stats tweaks #1866
• Apply max-series-per-req to non-tagged queries #1926
• MaxSeries limit fixes #1929
• Fix Server.findSeries() limit application #1932, #1934
• Index op timeout #1944
• Various dashboard fixes #1883, #1910

tools

• mt-index-cat: bigtable support #1909
• mt-index-cat: add orgID filter #1942
• add mt-write-delay-schema-explain tool #1895
• add mt-indexdump-rules-analyzer tool #1840

other

• leverage in-flight requests of other replicas to possibly overcome shard query errors #1869
• priority index locking and logging of long operations #1847, #1887
• slice pooling improvements resulting in memory/GC improvements #1858, #1921, #1922, #1923, #1924
• enable index write queue by default #1891
• Improve performance of metatag doesnt exist expr #1920
• SASL support for kafka input and cluster plugins #1956