* origin/master: (23 commits)
  mysql: more index hints
  Release version 1.8
  README: update URLs
  README: update wrt added support for RocksDB and recent ZODB
  storage: update DatabaseManager.getLastTID docstring
  neolog: new --decompress option
  doc: update TODO about missing invalidations in read-only mode
  mysql: remove obsolete comment about broken PARTITIONing support
  qa: make ClusterPdb compatible with the simple pdb of neo.tests
  client: fix NameError when a secondary master reports that it's not the primary
  storage: new --disable-drop-partitions option
  qa: add testDropPartitions
  Better use of __import__
  qa: update list of excluded tests in testSSL
  master: improve algorithm to tweak the partition table
  storage: ignore unassigned partitions when looking for last oids/tids
  neolog: new option to hide the node column
  Remove packet timeouts
  Use TCP keepalives instead of applicative pings
  Remove unused 'on_timeout' feature on connections
  ...

This time we had issues with _getObject and getReplicationObjectList
on production.
It seems related to the upgrade of MariaDB, from 10.0.21 to 10.1.25.

See also commits eaa00a88
             and 13911ca3