fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Sergei Petrunia c9042db619 Range Locking: add support for escalation barriers (#9290) ... Summary: Range Locking supports Lock Escalation. Lock Escalation is invoked when lock memory is nearly exhausted and it reduced the amount of memory used by joining adjacent locks. Bridging the gap between certain locks has adverse effects. For example, in MyRocks it is not a good idea to bridge the gap between locks in different indexes, as that get the lock to cover large portions of indexes, or even entire indexes. Resolve this by introducing Escalation Barrier. The escalation process will call the user-provided barrier callback function: bool(const Endpoint& a, const Endpoint& b) If the function returns true, there's a barrier between a and b and Lock Escalation will not try to bridge the gap between a and b. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9290 Reviewed By: akankshamahajan15 Differential Revision: D33486753 Pulled By: riversand963 fbshipit-source-id: f97910b67aba0579ea1d35f523ca6863d3dd018e		4 years ago
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concurrent_tree.cc	LockTree library, originally from PerconaFT (#7753)	5 years ago
concurrent_tree.h	LockTree library, originally from PerconaFT (#7753)	5 years ago
keyrange.cc	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago
keyrange.h	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago
lock_request.cc	Range Locking: Implementation of range locking (#7506)	5 years ago
lock_request.h	Range Locking: Implementation of range locking (#7506)	5 years ago
locktree.cc	Range Locking: add support for escalation barriers (#9290)	4 years ago
locktree.h	Range Locking: add support for escalation barriers (#9290)	4 years ago
manager.cc	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago
range_buffer.cc	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago
range_buffer.h	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago
treenode.cc	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago
treenode.h	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago
txnid_set.cc	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago
txnid_set.h	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago
wfg.cc	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago
wfg.h	Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)	5 years ago