* Rebase Ray on top of Plasma in Apache Arrow
* add thirdparty building scripts
* use rebased arrow
* fix
* fix build
* fix python visibility
* comment out C tests for now
* fix multithreading
* fix
* reduce logging
* fix plasma manager multithreading
* make sure old and new object IDs can coexist peacefully
* more rebasing
* update
* fixes
* fix
* install pyarrow
* install cython
* fix
* install newer cmake
* fix
* rebase on top of latest arrow
* getting runtest.py run locally (needed to comment out a test for that to work)
* work on plasma tests
* more fixes
* fix local scheduler tests
* fix global scheduler test
* more fixes
* fix python 3 bytes vs string
* fix manager tests valgrind
* fix documentation building
* fix linting
* fix c++ linting
* fix linting
* add tests back in
* Install without sudo.
* Set PKG_CONFIG_PATH in build.sh so that Ray can find plasma.
* Install pkg-config
* Link -lpthread, note that find_package(Threads) doesn't seem to work reliably.
* Comment in testGPUIDs in runtest.py.
* Set PKG_CONFIG_PATH when building pyarrow.
* Pull apache/arrow and not pcmoritz/arrow.
* Fix installation in docker image.
* adapt to changes of the plasma api
* Fix installation of pyarrow module.
* Fix linting.
* Use correct python executable to build pyarrow.
* 4 space indentation for actor.py.
* 4 space indentation for worker.py.
* 4 space indentation for more files.
* 4 space indentation for some test files.
* Check indentation in Travis.
* 4 space indentation for some rl files.
* Fix failure test.
* Fix multi_node_test.
* 4 space indentation for more files.
* 4 space indentation for remaining files.
* Fixes.
* Don't reconstruct all objects in every fetch request in local scheduler.
* Separate out fetch timer and reconstruction timer.
* Fix bug.
* Bug fix.
* Fix naming convention for global variables.
* Address comments.
* Make reconstruct_counter a static variable.
* Fix linting.
* Redo reconstruct handler using a set of objects to fetch.
* Fix linting.
* Replace set with vector.
* Dispatch regular and actor tasks when resources become available.
* Make actor methods do resource bookkeeping and add test.
* Remove unnecessary field.
* Fix linting.
* Fix actor test.
* Maintain set of actors with pending tasks to speed up task dispatch.
* Exit early from task dispatch if there are no resources available.
* Fix linting.
* Fix error.
* Fix bug related to iterator invalidation.
* When an actor is removed, remove it from the set of actors with pending tasks.
* Replace a local scheduler ut_array with a std::vector.
* Replace vector of sizes in local scheduler with std::pair.
* Remove utarray include.
* Replace utarray with std::vector for reading local scheduler input messages.
* Remove more UT data structures.
* Remove UT includes.
* Fix linting.
* Include stdlib.h to find size_t.
* Remove includes of stdbool.h.
* Replace std::pair with TaskQueueEntry.
* Fix redis tests.
* Reinstate tests.
* Divide large get requests into smaller chunks.
* Divide fetches into smaller chunks.
* Wait longer in worker and manager before reissuing fetch requests if there are many outstanding fetch requests.
* Log warning if a handler in the local scheduler or plasma manager takes more than one second.
* Log fatal error if plasma manager or local scheduler take too long to send heartbeat.
* Fix linting.
* Use int64_t for milliseconds since unix epoch.
* Fix bug in which plasma client file descriptors were not closed.
* Add logging statement when disconnecting client from plasma store.
* Fix after rebasing.
* Add more checks to plasma disconnect client.
* Implement sharding in the Ray core
* Single node Python modifications to do sharding
* Do the sharding in redis.cc
* Pipe num_redis_shards through start_ray.py and worker.py.
* Use multiple redis shards in multinode tests.
* first steps for sharding ray.global_state
* Fix problem in multinode docker test.
* fix runtest.py
* fix some tests
* fix redis shard startup
* fix redis sharding
* fix
* fix bug introduced by the map-iterator being consumed
* fix sharding bug
* shard event table
* update number of Redis clients to be 64K
* Fix object table tests by flushing shards in between unit tests
* Fix local scheduler tests
* Documentation
* Register shard locations in the primary shard
* Add plasma unit tests back to build
* lint
* lint and fix build
* Fix
* Address Robert's comments
* Refactor start_ray_processes to start Redis shard
* lint
* Fix global scheduler python tests
* Fix redis module test
* Fix plasma test
* Fix component failure test
* Fix local scheduler test
* Fix runtest.py
* Fix global scheduler test for python3
* Fix task_table_test_and_update bug, from actor task table submission race
* Fix jenkins tests.
* Retry Redis shard connections
* Fix test cases
* Convert database clients to DBClient struct
* Fix race condition when subscribing to db client table
* Remove unused lines, add APITest for sharded Ray
* Fix
* Fix memory leak
* Suppress ReconstructionTests output
* Suppress output for APITestSharded
* Reissue task table add/update commands if initial command does not publish to any subscribers.
* fix
* Fix linting.
* fix tests
* fix linting
* fix python test
* fix linting
* Use Arrow Tensors for serializing numpy arrays and get rid of extra memcpy
* fix nondeterminism problem
* mark array as immutable
* make arrays contiguous
* fix serialize_list and deseralize_list
* fix numbuf tests
* linting
* add optimization flags
* fixes
* roll back arrow
* plasma manager perf: speedup wait with a wait request object map
* removing duplicate == operator in plasma store
* fix serialization test
* code cleanup
* minor cleanup
* factoring out uniqueid hash and equality operators into common
* plasma manager: c++ify the WaitRequest struct
* plasma manager: get rid of the initial object request malloc
* cleanup
* linting
* cleanups and fix compiler warnings
* compiler warnings and linting
* Ignore deleted clients when reading address info from Redis
* Remove self from db_client table when exiting cleanly
* Fix valgrind test
* Do not call plasma_perform_release when disconnecting
* Change plasma_store.c to C++ (clobbering existing FlatBuffers usage).
* Convert plasma_store.cc to use STL (with a caveat)
* Fix CMakeLists and mutation-while-iterating problem
* Remove extra extern "C" declarations
* Remove redundant -std=c++11 from plasma/CMakeLists.txt
* parallelizing memcopy and object hash construction in numbuf/plasma
* clang format
* whitespace
* refactoring compute object hash: get rid of the prefix chunk
* clang format
* Document performance optimization.
* Remove check for 64-byte alignment, since it may not be guaranteed.
* Fix worker blocked bug
* tmp
* Push an error to the driver on ray.put for non-driver tasks
* Fix result table tests
* Fix test, logging
* Address comments
* Fix suppression bug
* Fix redis module test
* Edit error message
* Get values in chunks during reconstruction
* Test case for driver ray.put errors
* Error for evicting ray.put objects from the driver
* Fix tests
* Reduce verbosity
* Documentation
* Failing test case
* Local scheduler exits cleanly after plasma store dies
* Tolerate one plasma store failure
* Tolerate plasma store failures on all nodes except head node
* Plasma manager heartbeats
* Component failure tests
* Don't run the helper for Python testing
* Fix C test
* Fix hanging plasma transfer test
* Fix python3
* Consolidate ClientConnection code
* Fix valgrind test
* fix c test
* We can restart worker nodes!
* Fix flatbuffers bug
* Address comments
* Only register actual workers with the local scheduler
* Fix bug
* Fix segfaults
* Add test case that tests for driver liveness, fix local scheduler bug
* Clean up after tests
* Allocate retry info on the stack
* Send SIGKILL before waiting
* Relax unit test conditions
* Driver liveness test case and documentation
* use flatbuffer messages for local scheduler
* make sure constructor gets called for C++ object ObjectInfoT
* fix typo
* fix Robert's comments
* Small change to actor test.
* fix valgrind error
* linting
* free notification
* fix
* valgrind
* fix valgrind
* fix other bugs
* valgrind fix
* fixes
* more fixes
* Small changes to comments.
* WARN instead of FATAL for object hash mismatches, push error to driver
* Document the callback signature for object_table_add/remove
* Error table
* Wait for all errors in python test
* Fix doc
* Fix state test
* Change tranfer queue to doubly-linked list to speed up append.
* Maintain set of pending transfers to make deduplication easy.
* Fix naming convention for structs in plasma manager.
* Clean up plasma subscribers on EPIPE
First pass at a monitoring script - monitor can detect local scheduler death
Clean up task table upon local scheduler death in monitoring script
Don't schedule to dead local schedulers in global scheduler
Have global scheduler update the db clients table, monitor script cleans up state
Documentation
Monitor script should scan tables before beginning to read from subscription channel
Fix for python3
Redirect monitor output to redis logs, fix hanging in multinode tests
* Publish auxiliary addresses as part of db_client deletion notifications
* Fix test case?
* Small changes.
* Use SCAN instead of KEYS
* Address comments
* Address more comments
* Free redis module strings
* adding flatbuffers and migrating flatcc to flatbuffers for plasma
* variable name changes in plasma_protocol and plasma flatbuffers schema
* quick fix
* cleanups and remove flatcc
* more cleanup
* add doc
* linting
* fix linting
* fix mac os x build
* linting
* cleanup
* c++ fix for plasma flatbuffers
* Remove flatcc from CMakeLists.txt.
* linting; trigger travis
* attribute-based heterogeneity-awareness in global scheduler and photon
* minor post-rebase fix
* photon: enforce dynamic capacity constraint on task dispatch
* globalsched: cap the number of times we try to schedule a task in round robin
* propagating ability to specify resource capacity to ray.init
* adding resources to remote function export and fetch/register
* globalsched: remove unused functions; update cached photon resource capacity (until next photon heartbeat)
* Add some integration tests.
* globalsched: cleanup + factor out constraint checking
* lots of style
* task_spec_required_resource: global refactor
* clang format
* clang format + comment update in photon
* clang format photon comment
* valgrind
* reduce verbosity for Travis
* Add test for scheduler load balancing.
* addressing comments
* refactoring global scheduler algorithm
* Minor cleanups.
* Linting.
* Fix array_test.py and linting.
* valgrind fix for photon tests
* Attempt to fix stress tests.
* fix hashmap free
* fix hashmap free comment
* memset photon resource vectors to 0 in case they get used before the first heartbeat
* More whitespace changes.
* Undo whitespace error I introduced.
* First pass at reconstruction in the worker
Modify reconstruction stress testing to start Plasma service before rest of Ray cluster
TODO about reconstructing ray.puts
Fix ray.put error for double creates
Distinguish between empty entry and no entry in object table
Fix test case
Fix Python test
Fix tests
* Only call reconstruct on objects we have not yet received
* Address review comments
* Fix reconstruction for Python3
* remove unused code
* Address Robert's comments, stress tests are crashing
* Test and update the task's scheduling state to suppress duplicate
reconstruction requests.
* Split result table into two lookups, one for task ID and the other as a
test-and-set for the task state
* Fix object table tests
* Fix redis module result_table_lookup test case
* Multinode reconstruction tests
* Fix python3 test case
* rename
* Use new start_redis
* Remove unused code
* lint
* indent
* Address Robert's comments
* Use start_redis from ray.services in state table tests
* Remove unnecessary memset
