Commit Graph

62 Commits

Author SHA1 Message Date
Erik Johnston 850238b4ef Add unit test 2018-07-17 10:59:02 +01:00
Erik Johnston bc832f822f Fixup unit test 2018-07-13 17:03:04 +01:00
Amber Brown 49af402019 run isort 2018-07-09 16:09:20 +10:00
Richard van der Hoff ea555d5633 Reinstate lost run_on_reactor in unit test
a61738b removed a call to run_on_reactor from a unit test, but that call was
doing something useful, in making the function in question asynchronous.

Reinstate the call and add a check that we are testing what we wanted to be
testing.
2018-07-04 09:40:01 +01:00
Richard van der Hoff 43e02c409d Disable partial state group caching for wildcard lookups
When _get_state_for_groups is given a wildcard filter, just do a complete
lookup. Hopefully this will give us the best of both worlds by not filling up
the ram if we only need one or two keys, but also making the cache still work
for the federation reader usecase.
2018-06-22 11:52:07 +01:00
Amber Brown 77ac14b960
Pass around the reactor explicitly (#3385) 2018-06-22 09:37:10 +01:00
Amber Brown a61738b316
Remove run_on_reactor (#3395) 2018-06-14 18:27:37 +10:00
Amber Brown f7869f8f8b
Port to sortedcontainers (with tests!) (#3332) 2018-06-06 00:13:57 +10:00
Matthew Hodgson adb6bac4d5 fix another dumb typo 2018-05-29 02:29:22 +01:00
Richard van der Hoff 415c6b672e Merge branch 'develop' into rav/more_logcontext_leaks 2018-05-02 16:16:01 +01:00
Richard van der Hoff 11607006d9 Remove spurious unittest.DEBUG 2018-05-02 15:48:47 +01:00
Richard van der Hoff f22e7cda2c Fix a class of logcontext leaks
So, it turns out that if you have a first `Deferred` `D1`, you can add a
callback which returns another `Deferred` `D2`, and `D2` must then complete
before any further callbacks on `D1` will execute (and later callbacks on `D1`
get the *result* of `D2` rather than `D2` itself).

So, `D1` might have `called=True` (as in, it has started running its
callbacks), but any new callbacks added to `D1` won't get run until `D2`
completes - so if you `yield D1` in an `inlineCallbacks` function, your `yield`
will 'block'.

In conclusion: some of our assumptions in `logcontext` were invalid. We need to
make sure that we don't optimise out the logcontext juggling when this
situation happens. Fortunately, it is easy to detect by checking `D1.paused`.
2018-05-02 11:58:00 +01:00
Richard van der Hoff e482f8cd85 Fix incorrect reference to StringIO
This was introduced in 4f2f5171
2018-05-02 09:12:26 +01:00
Richard van der Hoff 3d1ae61399 Merge branch 'develop' into rav/deferred_timeout 2018-04-27 12:54:43 +01:00
Richard van der Hoff 1ea904b9f0 Use deferred.addTimeout instead of time_bound_deferred
This doesn't feel like a wheel we need to reinvent.
2018-04-23 00:53:18 +01:00
Adrian Tschira a1a3c9660f Make tests py3 compatible
This is a mixed commit that fixes various small issues

 * print parentheses
 * 01 is invalid syntax (it was octal in py2)
 * [x for i in 1, 2] is invalid syntax
 * six moves

Signed-off-by: Adrian Tschira <nota@notafile.com>
2018-04-16 00:39:32 +02:00
Richard van der Hoff 01afc563c3 Fix overzealous cache invalidation
Fixes an issue where a cache invalidation would invalidate *all* pending
entries, rather than just the entry that we intended to invalidate.
2018-04-05 16:24:04 +01:00
Erik Johnston b6dc7044a9
Merge pull request #2804 from matrix-org/erikj/file_consumer
Add decent impl of a FileConsumer
2018-01-18 16:31:33 +00:00
Erik Johnston 1432f7ccd5 Move test stuff to tests 2018-01-18 11:57:57 +00:00
Erik Johnston bc67e7d260 Add decent impl of a FileConsumer
Twisted core doesn't have a general purpose one, so we need to write one
ourselves.

Features:
- All writing happens in background thread
- Supports both push and pull producers
- Push producers get paused if the consumer falls behind
2018-01-17 16:43:03 +00:00
Richard van der Hoff 44a498418c Optimise LoggingContext creation and copying
It turns out that the only thing we use the __dict__ of LoggingContext for is
`request`, and given we create lots of LoggingContexts and then copy them every
time we do a db transaction or log line, using the __dict__ seems a bit
redundant. Let's try to optimise things by making the request attribute
explicit.
2018-01-16 15:49:42 +00:00
Richard van der Hoff a6ad8148b9 Fix name of test_logcontext
The file under test is logcontext.py, not log_context.py
2017-10-17 10:53:34 +01:00
Richard van der Hoff 5b5f35ccc0 Add some tests for make_deferred_yieldable 2017-10-17 10:52:31 +01:00
Richard van der Hoff 4fad8efbfb Fix stackoverflow and logcontexts from linearizer
1. make it not blow out the stack when there are more than 50 things waiting
   for a lock. Fixes https://github.com/matrix-org/synapse/issues/2505.

2. Make it not mess up the log contexts.
2017-10-11 15:05:05 +01:00
Erik Johnston bbfe4e996c Make get_state_groups_from_groups faster.
Most of the time was spent copying a dict to filter out sentinel values
that indicated that keys did not exist in the dict. The sentinel values
were added to ensure that we cached the non-existence of keys.

By updating DictionaryCache to keep track of which keys were known to
not exist itself we can remove a dictionary copy.
2017-05-17 15:12:15 +01:00
Erik Johnston eefd9fee81 Fix up tests 2017-03-30 14:14:46 +01:00
Richard van der Hoff f9b4bb05e0 Fix the logcontext handling in the cache wrappers (#2077)
The cache wrappers had a habit of leaking the logcontext into the reactor while
the lookup function was running, and then not restoring it correctly when the
lookup function had completed. It's all the fault of
`preserve_context_over_{fn,deferred}` which are basically a bit broken.
2017-03-30 13:22:24 +01:00
Richard van der Hoff 06ce7335e9 Merge pull request #2052 from matrix-org/rav/time_bound_deferred
Fix time_bound_deferred to throw the right exception
2017-03-23 22:22:54 +00:00
Richard van der Hoff b88a323ffb Fix time_bound_deferred to throw the right exception
Due to a failure to instantiate DeferredTimedOutError, time_bound_deferred
would throw a CancelledError when the deferred timed out, which was rather
confusing.
2017-03-23 12:07:11 +00:00
Richard van der Hoff 95f21c7a66 Fix caching of remote servers' signature keys
The `@cached` decorator on `KeyStore._get_server_verify_key` was missing
its `num_args` parameter, which meant that it was returning the wrong key for
any server which had more than one recorded key.

By way of a fix, change the default for `num_args` to be *all* arguments. To
implement that, factor out a common base class for `CacheDescriptor` and `CacheListDescriptor`.
2017-03-22 15:11:30 +00:00
Richard van der Hoff f40c2db05a Stop preserve_fn leaking context into the reactor
Fix a bug in ``logcontext.preserve_fn`` which made it leak context into the
reactor, and add a test for it.

Also, get rid of ``logcontext.reset_context_after_deferred``, which tried to do
the same thing but had its own, different, set of bugs.
2017-03-18 00:07:43 +00:00
Erik Johnston 9e8e236d98 Tidy up test 2017-01-17 11:50:18 +00:00
Erik Johnston f85b6ca494 Speed up cache size calculation
Instead of calculating the size of the cache repeatedly, which can take
a long time now that it can use a callback, instead cache the size and
update that on insertion and deletion.

This requires changing the cache descriptors to have two caches, one for
pending deferreds and the other for the actual values. There's no reason
to evict from the pending deferreds as they won't take up any more
memory.
2017-01-17 11:18:13 +00:00
Erik Johnston f2f179dce2 Add ExpiringCache tests 2017-01-16 15:33:34 +00:00
Erik Johnston 2fae34bd2c Optionally measure size of cache by sum of length of values 2017-01-13 17:46:17 +00:00
Erik Johnston d073cb7ead Add Limiter: limit concurrent access to resource 2016-11-10 16:29:51 +00:00
Erik Johnston 45fd2c8942 Ensure invalidation list does not grow unboundedly 2016-08-19 16:09:16 +01:00
Erik Johnston 4161ff2fc4 Add concept of cache contexts 2016-08-19 14:17:07 +01:00
Erik Johnston 7335f0adda Add ReadWriteLock 2016-07-05 15:23:17 +01:00
Erik Johnston af03ecf352 Deduplicate joins 2016-04-07 14:19:02 +01:00
Mark Haines 7641a90c34 Add a test for TreeCache.__contains__ 2016-02-22 15:22:38 +00:00
Mark Haines 700487a7c7 Fix flake8 warnings for tests 2016-02-19 15:34:38 +00:00
Erik Johnston 9e7900da1e Add wheeltimer impl 2016-02-17 14:29:28 +00:00
Erik Johnston e664e9737c Fix test 2016-02-09 14:57:43 +00:00
Erik Johnston 4fce59f274 Add tests 2016-01-29 11:33:11 +00:00
David Baker d552861346 Revert all the bits changing keys of eeverything that used LRUCaches to tuples 2016-01-22 12:18:14 +00:00
David Baker 10f76dc5da Make LRU cache not default to treecache & add options to use it 2016-01-22 12:10:33 +00:00
David Baker 31a051b677 Test treecache directly 2016-01-22 11:22:00 +00:00
David Baker 4efcaa43c8 Add tests for treecache directly and test del_multi at the LruCache level too. 2016-01-22 10:37:37 +00:00
David Baker f1f8122120 Change LRUCache to be tree-based so we can delete subtrees. 2016-01-21 19:16:25 +00:00