Commit Graph
25 Commits
Author SHA1 Message Date
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 WangandPhilipp Moritz 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 WangandPhilipp Moritz 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 WangandGitHub 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 WangandGitHub 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 WangandGitHub 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 ElibolandGitHub 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 WangandGitHub 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 WangandPhilipp Moritz 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 NishiharaandPhilipp Moritz 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 MoritzandZongheng Yang 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 TumanovandRobert Nishihara 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 WangandRobert Nishihara 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 MoritzandRobert Nishihara 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 WangandRobert Nishihara 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 YangandPhilipp Moritz 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 YangandRobert Nishihara 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 WangandRobert Nishihara 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
Robert NishiharaandPhilipp Moritz 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
alanamarzoevandRobert Nishihara 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 WangandPhilipp Moritz 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 NishiharaandPhilipp Moritz f1b48f2fd4 Avoid publishing in the task table unnecessarily. (#416) 2017-03-30 13:41:32 -07:00
Stephanie WangandRobert Nishihara 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 WangandRobert Nishihara 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 NishiharaandPhilipp Moritz 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