OpenTSDB/opentsdb v2.4.0

OpenTSDB 2.4.0

on GitHub

• Version 2.4.0 (2018-12-16)

Noteworthy Changes:

• Set default data block encoding to DIFF in the create table script.
• Add callbacks to log errors in the FSCK tool when a call was made to
  fix something.
• Add a sum of squares aggregator "squareSum".
• Add the diff aggregator that computes the difference between the first
  and last values.
• Add a SystemD template to the RPM package.
• Allow tags to be added via HTTP header.
• Add example implementations for the Authorization and Authentication
  plugins.
• Change tsd.storage.use_otsdb_timestamp to default to false.
• Literal or filter now allows single character values.
• Rollup query code now only uses the downsampler value to pick an interval.
• Add jdk 8 in the debian script.
• Setup fill policies in the Nagios check

Bug Fixes:

• Fix rollup scanner filter for single aggregate queries.
• Fix FSCK HBase timestamps when deduping. Sometimes they were negative.
• Fix exception handling when writing data over HTTP with the sync flag enabled.
• Fix missing source files in the Makefile.
• Change UID cache to longs from ints and add hit and miss counters.
• Fix HighestCurrent returning the wrong results.
• Fix running query stats queryStart timestamp to millis.
• Fix TimeShift millisecond bug.
• Fix post remove step in the debian package.