* Cherry-pick minReplicationFactor
* Bug fix/failover with min replication factor (#9486)
* Improve collection time of IResearchQueryOptimizationTest
* Added a minReplicationFactor field in Collections. It is not possible to modify it yet and noone cares for it
* Added some assertion son minReplicationFactor
* Transaction API will now reject writes as soon as minimal replication factor is NOT fulfilled
* added minReplicationFactor to the user interface, preparation for the collection api changes
* added minReplicationFactor to VocBaseCollection, RestReplicationHandler, RestCollectionHandler, ClusterMethods, ClusterInfo and ClusterCollectionCreationInfo
* added minReplicationFactor usage to tests
* TODO TEMOPORARY COMMIT FOR TESTING PLEASE REVERT ME
* minReplicationFactor now able to change via collection properties route
* fixed wrongly assert
* added minReplicationFactor to the graph management ui
* added minReplicationFactor to the gharial api
* Fixed off-by-one error in minReplicationFactor. We actually enforced one more.
* adjusted description of minReplicationFactor
* FollowerInfo Refactoring
* added gharial api graph creation tests with minimal replication factor
* proper cleanup of shell collection tests, removed lots of duplicate code, preparation for some new tests
* added collection create tests using invalid/valid names, replicationFactor and minReplicationFactor
* Debug logging
* MORE Debug logging
* Included replication fast lane
* Use correct minreplicationfactor
* modified debug logging
* Fixed compileissues
* MORE Debug logging
* MORE Debug logging
* MORE Debug logging
* MORE Debug logging
* MORE Debug logging
* MORE Debug logging
* MORE Debug logging
* Revert "MORE Debug logging"
This reverts commit dab5af28c0.
* Revert "MORE Debug logging"
This reverts commit 6134b664bd.
* Revert "MORE Debug logging"
This reverts commit 80160bdf3b.
* Revert "MORE Debug logging"
This reverts commit 06aabcdfe1.
* Removed debug output
* Added replication fast lane. Also refactored the commands as i cannot take it any more...
* Put some requests of RocksDBReplication onto CATCHUP Lane.
* Put some requests of MMFilesReplication onto CATCHUP Lane.
* Adjusted Fast and MED lane usage in Supervised scheduler
* Added changelog entry
* Added new features entry
* A new leader will now keep old followers in case of failover
* Update arangod/Cluster/ClusterCollectionCreationInfo.cpp
Co-Authored-By: Tobias Gödderz <tobias@arangodb.com>
* Fixed JSLINT
* Unified lane handling of replication handlers
* Sorry forgotten in last commit
* replaced strings with static strings
* more use of static strings
* optimized min repl description in the ui
* decr initial loop variable
* clean up of the createWithId test
* more use of static strings
* Update js/apps/system/_admin/aardvark/APP/frontend/js/views/collectionsView.js
Co-Authored-By: Tobias Gödderz <tobias@arangodb.com>
* Added some comments on condition, renamed variable as suggested in review
* Added check for min replicationFactor to be non-zero
* Added assertion
* Added function to modify min and max replication factor in one go
* added missing semicolon
* rm log devel
* Added a second information to follower info that can keep track of followers that have been in sync before a failover has taken place
* Maintenance reports previous version now to follower info. instead of lying by itself. The Follower Info now gets a failover save mode to report insync followers
* check replFactor against nr dbservers
* Add lie reporting in CURRENT
* Reverted most of my recent commits about Failover situation. The intended plan simply does not work out
* move replication checks from logical collection to rest collection handler
* added more replication tests
* Include assert only if we are not in gtest
* jslint
* set min repl factor to zero if satellite collection
* check replication attributes in v8 collection
* Initial commit, old plan, does not yet work
* fixed ires tests
* Included FailoverCandidates key. Not fully implemented
* fixed wrong assert
* unified in sync follower reporting
* fixed compiler errors
* Cleanup locking, and fixed potential deadlocks
* Comments about locking order in FollowerInfo.
* properly check uint
* Keep old leader as potential failover candidate
* Transaction methods now use followerInfo to check if the leader can write, this might have the sideeffect that 'failoverCandidates' are updated
* Let agency check failoverCandidates if possible
* Initialize member variables
* Use unified follower reporting in DBServerAgencySync
* Removed obsolete variable, collecting it somewhere else
* repl factor attr check
* Reimplemented previous followers, second attempt now. PhaseOne and PhaseTwo can now synchronize on current.
* Fixed assertion, forgot an off-by-one
* adjusted test to be more preciese now
* Fixed failove candidates list
* Disable write on dropping too many followers
* Allow to run updateFailoerCandidates multiple times with same leader.
* Final fixes, resilience tests now green, crossing fingers for jenkins
* Fixed race on atomics comparison
* Fixed invalid number type
* added nullptr handling
* added nullptr handling
* Removed invalid assert
* Make takeover of leadership an atomic operation
* Update tests/js/common/shell/shell-cluster-collection.js
Co-Authored-By: Tobias Gödderz <tobias@arangodb.com>
* Review fixes
* Fixed creation code to use takeoverLeadership
* Update arangod/Cluster/FollowerInfo.h
Co-Authored-By: Tobias Gödderz <tobias@arangodb.com>
* Applied review fixes
* There is no timeout
* Moved AQL + Pregel to INTERNAL_AQL lane, which is medium priority, to avoid deadlocks with Sync replication
* More review fixes
* Use difference if you want to compare two vectors...
* Use std::string ...
* Now check if we are in recovery mode
* Added documentation for minReplicationFactor
* Added readme update as well in documenation
* Removed merge conflict leftovers 0o, i should not trust the IDE
* Update js/apps/system/_admin/aardvark/APP/frontend/js/views/collectionsView.js
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Update js/apps/system/_admin/aardvark/APP/frontend/js/views/collectionsView.js
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Update Documentation/Books/Manual/Architecture/Replication/README.md
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Update CHANGELOG
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Update Documentation/Books/Manual/DataModeling/Collections/DatabaseMethods.md
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Update Documentation/Books/Manual/ReleaseNotes/NewFeatures35.md
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Update Documentation/DocuBlocks/Rest/Collections/1_structs.md
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Update js/apps/system/_admin/aardvark/APP/frontend/js/views/graphManagementView.js
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Update js/apps/system/_admin/aardvark/APP/frontend/js/views/graphManagementView.js
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Update Documentation/DocuBlocks/Rest/Graph/1_structs.md
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Apply suggestions from code review
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Adepted review requests, thanks for finding!
* Removed unnecessary const
* Apply suggestions from code review
Co-Authored-By: Jan <jsteemann@users.noreply.github.com>
* Moved initilization of variable more downwards
* Apply lock before notify_all()
* Remove documentation except DocuBlocks, covered by PR in docs repo
* Remove accidental indent
Michael Hackstein
Wilfried Goesgens
Andreas Streichardt
Jan Steemann
Alan Plum