Commit graph

49 commits

Author SHA1 Message Date
Zongheng Yang
fa97acbc89 Integrate credis with Ray & route task table entries into credis. (#1841) 2018-05-24 23:35:25 -07:00
Robert Nishihara
9b9ff19dd0 Use automatic memory management in Redis modules. (#1797) 2018-05-22 01:05:09 -07:00
Stephanie Wang
bf194db4bc [xray] Basic actor support (#1835) 2018-04-06 00:17:14 -07:00
Melih Elibol
6e06a9e338 XRay Task Forwarding Milestone (#1785)
Summary:
Able to run 1000 tasks with object dependencies on a set of distributed Raylets.

Raylet Changes:

Finalized ClientConnection class.
Task forwarding.
NM-to-NM heartbeats.
NM resource accounting for tasks.
Simple scheduling policy with task forwarding.
Creating and maintaining NM 2 NM long-lived connections and reusing them for task forwarding.
LineageCache Changes:

LineageCache without cleanup of tasks committed by remote nodes.
Lineage cache writeback and cleanup implementation.
ObjectManager Changes:

Object manager event loop/ClientConnection refactor.
Multithreaded object manager (disabled in this PR).
Testing Changes:

Integration tests for task submission on multiple Raylets.
Stress tests for object manager (with GCS and object store integration).


Co-authored-by: Stephanie Wang <swang@cs.berkeley.edu>
Co-authored-by: Alexey Tumanov <atumanov@gmail.com>
2018-03-31 18:02:58 -07:00
Stephanie Wang
925e392b2d Add an Append call to the GCS Log that checks for current length (#1788)
* TABLE_APPEND call

* Convert callbacks back to taking in a string...

* GCS returns flatbuffers, define Log class

* Cleanups

* Modify client table to use the Log interface

* Fix bug where we replied twice from redis

* Fixes

* lint

* Compile and test raylet TaskTable

* Modify GCS tables to handle unique_ptrs from nested flatbuffers

* Add raylet::TaskTable unit tests to replace ObjectTable ones

* Convert ObjectTable to a log

* Convert ObjectTable tests to the Log

* AppendAt Redis and gcs Log command

* unit test for AppendAt

* Add a Log for task reconstruction data

* Add check for unique entries in TABLE_APPEND

* Documentation
2018-03-27 13:04:43 -07:00
Stephanie Wang
0fd4112354 Introduce a log interface for the new GCS (#1771)
* TABLE_APPEND call

* Convert callbacks back to taking in a string...

* GCS returns flatbuffers, define Log class

* Cleanups

* Modify client table to use the Log interface

* Fix bug where we replied twice from redis

* Fixes

* lint
2018-03-26 16:00:43 -07:00
Stephanie Wang
0ad1054b8b
Add a GCS table for the xray task flatbuffer (#1775)
* Introduce Task flatbuffer into xray, add to GCS

* Compile and test raylet TaskTable
2018-03-23 13:18:23 -07:00
Stephanie Wang
8704c8618c
Request and cancel notifications in the new GCS API (#1758)
* Add TableRequestNotifications and TableCancelNotifications to Redis modules

* Add RequestNotifications and CancelNotifications to generic GCS Table

* Add tests for subscribing to specific keys

* Remove TODO!

* Return the current value at the key directly from RequestNotifications instead of through publish

* Add unit test for Lookup failure callback

* Modify tests to account for empty subscription response

* Remove ObjectTable notification methods

* Clean up message parsing and doc in redis context

* Use vectors of DataT in all GCS callbacks

* Clean up SubscriptionCallback

* Move Table definitions into tables.cc

* Refactor and document redis modules

* doc

* Fix new GCS build

* Cleanups

* Revert "Fix new GCS build"

This reverts commit 6e3e69090c67ef60aaf22a9cf62be0290d989e96.

* Use vectors for internal callback interface, user-facing interface takes a reference to a single item

* Fix new GCS build

* Add unit test for Lookup failure callback

* Fix compiler errors

* Cleanup

* Publish the entry ID with the notification

* Check that the ID for a notification matches in client tests
2018-03-22 10:31:07 -07:00
Stephanie Wang
5c7ef34b05
Define string prefixes for all tables in the new GCS API (#1755)
* Define string prefixes for all tables in the new GCS API

* Extra check for TablePrefix enum

* Remove unused field and add doc for existing fields
2018-03-20 20:27:11 -07:00
Melih Elibol
3c080f4baa
Add a callback for gcs table lookup failures. (#1702)
* Add callback to gcs client for table lookup failures.

* update plasma_manager reflecting changes to gcs callback.
2018-03-15 22:25:01 -07:00
Stephanie Wang
6114b6d20e
Implement the client table for the new GCS (#1674)
* Add subscription callback to CallbackData

* Implement ClientTable

* Hook up ClientTable to AsyncGCSClient

* Add client_info to GCSClient Connect interface

* client table callbacks

* Unit test for client table

* Doc

* Fix idempotency check

* Fix mac build

* Fix memory issues in gcs client test

* Fix disconnection bug

* lint
2018-03-11 19:17:18 -07:00
Stephanie Wang
0a6edb55a8 Implement the Subscribe call for the new GCS API (#1652)
* Implement the Subscribe call for the new GCS API

* Document tests

* Upper case function name

* Fix build errors

* lint
2018-03-06 09:56:12 -08:00
Robert Nishihara
0fcceef772 Update logging and check macros. (#1627)
* Update logging and check macros.

* Fix linting.

* Fix RAY_DCHECK and unused variable.

* Fix linting
2018-02-28 15:13:00 -08:00
Philipp Moritz
a3f8fa426b Start integrating new GCS APIs (#1379)
* Start integrating new GCS calls

* fixes

* tests

* cleanup

* cleanup and valgrind fix

* update tests

* fix valgrind

* fix more valgrind

* fixes

* add separate tests for GCS

* fix linting

* update tests

* cleanup

* fix python linting

* more fixes

* fix linting

* add plasma manager callback

* add some documentation

* fix linting

* fix linting

* fixes

* update

* fix linting

* fix

* add spillback count

* fixes

* linting

* fixes

* fix linting

* fix

* fix

* fix
2018-01-31 11:01:12 -08:00
Alexey Tumanov
f1303291b4 Ray scheduler spillback plumbing + mechanism (#1362)
* spillback mechanism and plumbing : adding spillback counter + timestamp

* linting fix

* documentation

* Fix argument name.
2018-01-23 20:18:12 -08:00
Stephanie Wang
12fdb3f53a Convert actor dummy objects to task execution edges. (#1281)
* Define execution dependencies flatbuffer and add to Redis commands

* Convert TaskSpec to TaskExecutionSpec

* Add execution dependencies to Python bindings

* Submitting actor tasks uses execution dependency API instead of dummy argument

* Fix dependency getters and some cleanup for fetching missing dependencies

* C++ convention

* Make TaskExecutionSpec a C++ class

* Convert local scheduler to use TaskExecutionSpec class

* Convert some pointers to references

* Finish conversion to TaskExecutionSpec class

* fix

* Fix

* Fix memory errors?

* Cast flatbuffers GetSize to size_t

* Fixes

* add more retries in global scheduler unit test

* fix linting and cast fbb.GetSize to size_t

* Style and doc

* Fix linting and simplify from_flatbuf.
2017-12-14 20:47:54 -08:00
Philipp Moritz
cac5f47600 First Part of Internal Ray API Refactor (#1173)
* add Ray status class

* add C++ util files

* add ID types

* more APIs

* build system integration

* add test infrastructure and implement some APIs

* add more tests

* fix bugs

* add task table tests

* update

* add toolchain file

* fix

* test

* link with pthread

* update

* fix

* more fixes

* fixes

* always vendor gtest and gflags

* linting

* fixes

* add constants file

* comments

* more fixes

* fix linting
2017-12-14 14:54:09 -08:00
Stephanie Wang
07f0532b9b Local scheduler filters out dead clients during reconstruction (#1182)
* Object table lookup returns vector of DBClientID instead of address strings

* Add node IP address to DBClient notification

* DB client cache stores entire DB client, convert addresses to std::string

* get cached db client returns the client

* Expose a call to initialize the redis cache

* Local scheduler filters out dead clients during reconstruction

* Remove node ip address from dbclient, use aux_address for plasma managers

* Get entire db client entry when not found in cache

* Fix common tests

* Fix address in tests

* Push error to driver if driver task did the put

* Address Robert's comments and cleanup

* Remove unused Redis command

* Fix db test
2017-11-10 11:29:24 -08:00
Zongheng Yang
427dee511b Fill out specs of the task table in ray_redis_module.cc. (#1024)
* Fill out specs of the task table in ray_redis_module.cc.

* local scheduler field in task table

* linting
2017-09-27 23:45:58 -07:00
Zongheng Yang
5a50e80b63 Make Monitor remove dead Redis entries from exiting drivers. (#994)
* WIP: removing OL, OI, TT on client exit; no saving yet.

* ray_redis_module.cc: update header comment.

* Cleanup: just the removal.

* Reformat via yapf: use pep8 style instead of google.

* Checkpoint addressing comments (partially)

* Add 'b' marker before strings (py3 compat)

* Add MonitorTest.

* Use `isort` to sort imports.

* Remove some loggings

* Fix flake8 noqa marker runtest.py

* Try to separate tests out to monitor_test.py

* Rework cleanup algorithm: correct logic

* Extend tests to cover multi-shard cases

* Add some small comments and formatting changes.
2017-09-26 00:11:38 -07:00
Stephanie Wang
7496c98010 Fault tolerance race (#894)
* Remove race between local scheduler disconnecting and global scheduler
assigning a task

* Fix number of workers started in component failures test

* Fix race between global scheduler retrying a task assignment and monitor
cleaning up task table. The global scheduler should only retry the task
assignment if the local scheduler is still alive.

* Clean up task_table_update callback if failure

* Look up current local scheduler mapping when retrying actor task submission

* Log warning if no subscribers received a task table update

* Clean up database handle memory in local scheduler
2017-08-30 22:20:50 -07:00
Philipp Moritz
054ae4180e Fix installation instruction for ubuntu 14.04 (#805)
* fix installation instruction for ubuntu 14.04

* upgrade cmake requirements

* fix
2017-08-02 18:14:14 -07:00
Robert Nishihara
9e4a3e4972 Replace some UT data structures in local scheduler with C++ STL. (#680)
* 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.
2017-06-19 21:58:42 +00:00
alanamarzoev
4d5ac9dad5 Include object size and hash in the table returned by the object_table function in the GlobalStateAPI. (#665)
* added log_table function and a test

* fixed log_files and added task_profiles

* fixed formatting

* fixed linting errors

* fixes

* removed file

* more fixes

* hopefully fixed

* Small changes.

* Fix linting.

* Fix bug in log monitor.

* Small changes.

* Fix bug in travis.

* Including data_size and hash in the ResultTableReply.

* Included data_size and hash info in object_table.

* Fixed bugs in ray_redis_module.cc.

* Removing commented out code.

* Fixes

* Freed hash and data_size strings after using, and checked if they're null along with task_id and is_put.

* Changed it so that data_size is set correctly.

* Removed iostream import.

* Included a check to ensure that the Redis string to long long conversion was successful.

* Included separate data_size and hash null checks.

* Fixed bug.

* Made linting changes.

* Another linting error.

* Slight simplication.
2017-06-16 23:17:11 -07:00
Stephanie Wang
ee08c8274b Shard Redis. (#539)
* 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
2017-05-18 17:40:41 -07:00
Robert Nishihara
f1b48f2fd4 Avoid publishing in the task table unnecessarily. (#416) 2017-03-30 13:41:32 -07:00
Stephanie Wang
083e7a28ad Push an error to the driver when the workload hangs on ray.put reconstruction (#382)
* 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
2017-03-21 00:16:48 -07:00
Stephanie Wang
12c9618c0c Plasma and worker node failure. (#373)
* 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
2017-03-17 17:03:58 -07:00
Robert Nishihara
53dffe0bf2 Use flatbuffers for some messages from Redis. (#341)
* Compile the Ray redis module with C++.

* Redo parsing of object table notifications with flatbuffers.

* Update redis module python tests.

* Redo parsing of task table notifications with flatbuffers.

* Fix linting.

* Redo parsing of db client notifications with flatbuffers.

* Redo publishing of local scheduler heartbeats with flatbuffers.

* Fix linting.

* Remove usage of fixed-width formatting of scheduling state in channel name.

* Reply with flatbuffer object to task table queries, also simplify redis string to flatbuffer string conversion.

* Fix linting and tests.

* fix

* cleanup

* simplify logic in ReplyWithTask
2017-03-10 18:35:25 -08:00
Stephanie Wang
da06b4db82 Warn the user when a nondeterministic task is detected. (#339)
* 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
2017-03-07 00:32:15 -08:00
Philipp Moritz
0b8d279ef2 Convert task_spec to flatbuffers (#255)
* convert Ray to C++

* convert task_spec to flatbuffers

* fix

* it compiles

* latest

* tests are passing

* task2 -> task

* fix

* fix

* fix

* fix

* fix

* linting

* fix valgrind

* upgrade flatbuffers

* use debug mode for valgrind

* fix naming and comments

* downgrade flatbuffers

* fix linting

* reintroduce TaskSpec_free

* rename TaskSpec -> TaskInfo

* refactoring

* linting
2017-03-05 02:05:02 -08:00
Stephanie Wang
41b8675d04 Availability after local scheduler failure (#329)
* 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
2017-03-02 19:51:20 -08:00
Stephanie Wang
be1618f041 Availability after worker failure (#316)
* Availability after a killed worker

* Workers exit cleanly

* Memory cleanup in photon C tests

* Worker failure in multinode

* Consolidate worker cleanup handlers

* Update the result table before handling a task submission

* KILL_WORKER_TIMEOUT -> KILL_WORKER_TIMEOUT_MILLISECONDS

* Log a warning instead of crashing if no result table entry found
2017-02-25 20:19:36 -08:00
Stephanie Wang
334aed9fa9 Fetch the object after requesting reconstruction during ray.get (#301)
* Fetch the object after requesting reconstruction during ray.get

* revert

* Fix documentation and memory leak

* Fix hanging reconstruction bug

* Fix for python3
2017-02-20 21:41:34 -08:00
Stephanie Wang
241b539ff8 Reconstruction for evicted objects (#181)
* 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
2017-02-01 19:18:46 -08:00
Philipp Moritz
a708e36225 Switch build system to use CMake completely. (#200)
* switch to CMake completely

...

* cleanup

* Run C tests, update installation instructions.
2017-01-17 16:56:40 -08:00
Robert Nishihara
985c424172 Use redismodules for task table and result table. (#156)
* Switch to using redis modules for task table.

* Switch to using redis modules for the task table.

* Fix some tests.

* Fix naming and remove code duplication.

* Remove duplication in redis modules and add more cleanups.

* Address comments.
2016-12-25 23:57:05 -08:00
Philipp Moritz
8309e3f355 Redis string formatting (#157)
* redis string formatting

* fixes

* add documentation

* fixes
2016-12-25 22:43:07 -08:00
Robert Nishihara
6cd02d71f8 Fixes and cleanups for the multinode setting. (#143)
* Add function for driver to get address info from Redis.

* Use Redis address instead of Redis port.

* Configure Redis to run in unprotected mode.

* Add method for starting Ray processes on non-head node.

* Pass in correct node ip address to start_plasma_manager.

* Script for starting Ray processes.

* Handle the case where an object already exists in the store. Maybe this should also compare the object hashes.

* Have driver get info from Redis when start_ray_local=False.

* Fix.

* Script for killing ray processes.

* Catch some errors when the main_loop in a worker throws an exception.

* Allow redirecting stdout and stderr to /dev/null.

* Wrap start_ray.py in a shell script.

* More helpful error messages.

* Fixes.

* Wait for redis server to start up before configuring it.

* Allow seeding of deterministic object ID generation.

* Small change.
2016-12-21 18:53:12 -08:00
Robert Nishihara
c9c1b3e6af Change db_connect to allow different arguments from different processes. (#142)
* Allow db_connect to take a variable number of arguments.

* Fix tests.

* Fixes.

* Formatting.

* Fixes.

* Simplifications.

* Fix typo.
2016-12-20 20:21:35 -08:00
Stephanie Wang
d729f9b7ea Object table remove (#139)
* Object table remove redis module

* Test case for object table remove redis module

* Client code for object_table_remove

* Delete object notifications in plasma

* Test for object deletion notifications

* Fix subscribe deletion test

* Address Robert's comments

* free hash table entry
2016-12-19 23:18:57 -08:00
Alexey Tumanov
cb3e6cde9e passing object info information with redis module (#138)
* adding object broadcast channel; published on each object table add

* publishing data size to the bcast channel

* bug fix: objectkey

* update object tests to test for data size: C + py

* remove debug

* clang format

* Minor changes.

* Fix error.

* merging with Robert's comments

* clang format for the object table test upgrade
2016-12-19 21:07:25 -08:00
Robert Nishihara
269f37e26f Implement object table notification subscriptions and switch to using Redis modules for object table. (#134)
* Implement RAY.OBJECT_TABLE_REQUEST_NOTIFICATIONS.

* Call object_table_request_notifications from plasma manager.

* Use Redis modules for object table.

* Cleaning up code.

* More checks.

* Formatting.

* Make object table tests pass.

* Formatting.

* Add prefix to the object notification channel name.

* Formatting.

* Fixes.

* Increase time in redismodule test.
2016-12-18 18:19:02 -08:00
Robert Nishihara
c89bf4e5bc Fix improper handling of NULL characters when opening Redis keys. (#136)
* Fix improper handling of NULL characters when opening Redis keys.

* Add test.
2016-12-18 13:06:28 -08:00
Robert Nishihara
edf8d1ee9f Fix Python3 error in tests. (#135) 2016-12-17 12:42:37 -08:00
Stephanie Wang
e23661c375 Task table Redis module (#125)
* Task table redis module implementation

* Publish tasks and take in individual fields as args, not task object

* Scheduling state integer has width 1, error on illegal put

* Unit tests for task table and more documentation

* Task table subscribe, fix publish topics and address Philipp and Alexey's comments

* Helper function to create prefixed strings

* Factor out the table prefixes in the test cases
2016-12-16 14:40:44 -08:00
Robert Nishihara
58a873eb20 Deploy Redis module and start using custom Redis commands. (#128)
* Add RAY.CONNECT Redis command.

* Add RAY.GET_CLIENT_ADDRESS command.

* Build and clean Redis in common Makefile.

* Use custom Redis module in Ray and use custom CONNECT and GET_CLIENT_ADDRESS commands.

* Fixes.

* Remove mapping from redis client ID to ray db client ID.

* Fix.
2016-12-16 14:40:44 -08:00
Robert Nishihara
79dd1815a2 Python 3 compatibility. (#121)
* Make common module Python 3 compatible.

* Make plasma module Python 3 compatible.

* Make photon module Python 3 compatible.

* Make numbuf module Python 3 compatible.

* Remaining changes for Python 3 compatibility.

* Test Python 3 in Travis.

* Fixes.
2016-12-16 14:40:37 -08:00
Philipp Moritz
817f1e730c Implement tables with redis modules (#114)
* initial redis module

* temp commit

* temp commit

* temp commit

* Empty object table functions and broken object_table_lookup

* fix segfault and clean up code

* cleanup and tests

* try to ignore redismodule.h

* check if data_size is integer

* Minor changes to redis-module tests.

* try to exclude redismodule from clang-format

* try something different

* fix clang-format and tests

* sleep a bit

* Result table

* fix redis_module tests

* fix tests and add tests for result table

* more tests

* randomize ports

* Minor changes.

* More fixes.
2016-12-11 17:40:19 -08:00