* Squashed commit of feature-3.5/hotbackup_devel.
This puts hotbackup into 3.5.
* Port atomic-database-creation-2 to 3.5.
* Remove some wrongly ported code.
* Fix compilation.
* Fix a manual merge error.
* Remove a feature from the mocks which does not exist in 3.5.
* Add some code which was forgotten in manual merge.
* Fix a problem introduced in a manual merge.
* reuse function
* Address some whitespace issues that came up in review
* aardvark should not create the frontend collection
* create _frontend collection from c++
* recheckAndUpdate Callback in CollectionWatcher
* Wrong author ;)
* rm outdated todo
* Update lib/Basics/VelocyPackHelper.h
Co-Authored-By: Michael Hackstein <michael@arangodb.com>
* use logger unique id, use startup logger
* not needed
* optimized vector shardid method
* do not create _modules collection lazy anymre
* Formatting.
* Assert instead of if/TRI_ASSERT(false)
* Don't use exceptions as control structure
* Re-add READ_LOCKER that got lost in translation
* Fix audit log in case database creation fails early.
* legacy sharding
* Add CHANGELOG entry.
* Retry database cancellation indefinitely
* Do not use exceptions in UpgradeTask
* DropCollection is a FAST_LANE action and should not need much time or else retry.
* Remove superflous addition of LdapFeature
Proudly brought to you by ASAN tests
* Fixed check for distributShardsLike sharding on _system database
* Fixed compile issue on tests
* Removed assertion that seems to be not correct yet on devel.
* Sort out google cloud storage as remote. (#9918)
* Add successful method to ClusterCommResult.
* Improve error forwarding for cluster internal communication.
* Feature/hotbackup list retries (#9924)
* retry hot backup listing for 2 minutes in cluster before giving up
* Enable api by default.
* fix broken list of non existing id (#9957)
* Fix compilation after manual merge.
* Fix another compilation problem.
* Yet more fixes for compilation.
* More compilation fixes.
* allow to access last operation tick of the transaction
* modify IResearchLink to rely on last commtted tick
* get rid of writing arangosearch markers to WAL
* further implementation
* local changes in iresearch
* add recovery states
* properly handle link creation during recovery
* adjust test cases
* properly handle nested transactions
* ungreylist recovery tests
* add more recovery tests
* do not use transaction to pass recovery tick
* do not store recoveryTick in MMFilesRecoveryState
* adjust tests
* fix mmfiles
* cleanup
* add context validity check
* fix tests
* fix more tests
* ensure subscription is not being released during commit
* address review comment
* final cleanup
* fix crash
* fix tests
* address test failures
* address review comments
* address review comments
* properly set recovery tick even if no recovery happened
# Conflicts:
# arangod/IResearch/IResearchLink.cpp
* issue 381.4.1: create a separate IResearchLink implementation for use with ClusterEngine
* backport: ensure StorageEngineMock assigns unique transaction ids
* delegate index normalization on the ClusterEngine to the 'actualEngine'
Max Neunhöffer
Dan Larkin-York
Andrey Abramov
Jan
Simon
Frank Celler
Vasiliy