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Shard Redis. (#539)

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* 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
This commit is contained in:
Stephanie Wang
2017-05-18 17:40:41 -07:00
committed by Philipp Moritz
parent 0a4304725f
commit ee08c8274b
39 changed files with 1336 additions and 651 deletions
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src/common/lib/python/common_extension.cc
+10
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@@ -172,6 +172,14 @@ static PyObject *PyObjectID_richcompare(PyObjectID *self,
return result;
}
static PyObject *PyObjectID_redis_shard_hash(PyObjectID *self) {
/* NOTE: The hash function used here must match the one in get_redis_context
* in src/common/state/redis.cc. Changes to the hash function should only be
* made through UniqueIDHasher in src/common/common.h */
UniqueIDHasher hash;
return PyLong_FromSize_t(hash(self->object_id));
}
static long PyObjectID_hash(PyObjectID *self) {
PyObject *tuple = PyTuple_New(UNIQUE_ID_SIZE);
for (int i = 0; i < UNIQUE_ID_SIZE; ++i) {
@@ -201,6 +209,8 @@ static PyObject *PyObjectID___reduce__(PyObjectID *self) {
static PyMethodDef PyObjectID_methods[] = {
{"id", (PyCFunction) PyObjectID_id, METH_NOARGS,
"Return the hash associated with this ObjectID"},
{"redis_shard_hash", (PyCFunction) PyObjectID_redis_shard_hash, METH_NOARGS,
"Return the redis shard that this ObjectID is associated with"},
{"hex", (PyCFunction) PyObjectID_hex, METH_NOARGS,
"Return the object ID as a string in hex."},
{"__reduce__", (PyCFunction) PyObjectID___reduce__, METH_NOARGS,