cherry picking of bug-fix/agency-restart-after-compaction-and-holes-i… #3423
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jsteemann
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Oct 26, 2017
* Revert "Return the result of the inquiry (#3472)" This reverts commit 1dc1a98. * Revert "cherry picking of bug-fix/agency-restart-after-compaction-and-holes-i… (#3423)" This reverts commit 324184d. * State has to keep log for removeConflicts and acoording log all the way (#3249) * Bug fix/sort out agency locks (#3306) New locking concept in Agency. Ensure empty heartbeats can be sent, answered and processed without long locks. Adjust logging. Fix compaction bugs. * Bug fix/agency compactor deadlock (#3335) * Fix a deadlock between Agent thread and compactor thread. * Improve comments in header. * Organise clean shutdown of agency threads. * Bug fix/agency leader timeouts (#3373) * Send out empty heartbeats regardless of non-empty AppendEntriesRPC. * Also improve logging: Note if a log in the empty heartbeat sending takes > 0.01 s. Clearly mark places where a leader resigns in logging. Log if no empty heartbeat is sent out. * Make leader more tolerant w.r.t. incoming AppendEntriesRPC responses. * Add debug logging for _lastAcked and challengeLeadership. * Remove some unused code. Do not count ourselves in challengeLeadership. * Removal of entire activation/deactivation mechanisms in agency * TRI_microtime up to c++11 * added term to response to sendAppendEntries. * Bug fix/agency restart after compaction and holes in log (#3413) * State fixes holes in RAFT index range * Avoid application of entries older than compaction index _cur and guard for unsigned overflow * Return the result of the inquiry (#3465) * Add a hidden AGENCY_DUMP for agency emergency recovery. (#3474) * Port more changes from devel to 3.2. This could not be cherry-picked, since the changes concerning the agency were in squash commits which touch a lot of different things. * Make members private in AgentConfiguration * Log update of agency configuration. * Do not deal with active in gossip phase. * Take out some debugging output.
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Cherry picking agency bug fix where holes in RAFT Log lead to incapacitated agency.