| Commit message (Collapse) | Author | Age | Files | Lines |
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Currently `ActiveSupport::Duration` implicitly converts to a seconds
value when used in a calculation except for the explicit examples of
addition and subtraction where the duration is the receiver, e.g:
>> 2 * 1.day
=> 172800
This results in lots of confusion especially when using durations
with dates because adding/subtracting a value from a date treats
integers as a day and not a second, e.g:
>> Date.today
=> Wed, 01 Mar 2017
>> Date.today + 2 * 1.day
=> Mon, 10 Apr 2490
To fix this we're implementing `coerce` so that we can provide a
deprecation warning with the intent of removing the implicit coercion
in Rails 5.2, e.g:
>> 2 * 1.day
DEPRECATION WARNING: Implicit coercion of ActiveSupport::Duration
to a Numeric is deprecated and will raise a TypeError in Rails 5.2.
=> 172800
In Rails 5.2 it will raise `TypeError`, e.g:
>> 2 * 1.day
TypeError: ActiveSupport::Duration can't be coerced into Integer
This is the same behavior as with other types in Ruby, e.g:
>> 2 * "foo"
TypeError: String can't be coerced into Integer
>> "foo" * 2
=> "foofoo"
As part of this deprecation add `*` and `/` methods to `AS::Duration`
so that calculations that keep the duration as the receiver work
correctly whether the final receiver is a `Date` or `Time`, e.g:
>> Date.today
=> Wed, 01 Mar 2017
>> Date.today + 1.day * 2
=> Fri, 03 Mar 2017
Fixes #27457.
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https://github.com/rails/rails/issues/27066.
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[ci skip]
I'm not sure why these methods not public. But these methods are public in
other cache stores, I think that may be in public.
Ref:
http://edgeapi.rubyonrails.org/classes/ActiveSupport/Cache/Store.html#method-i-increment
http://edgeapi.rubyonrails.org/classes/ActiveSupport/Cache/FileStore.html#method-i-increment
http://edgeapi.rubyonrails.org/classes/ActiveSupport/Cache/MemoryStore.html#method-i-increment
http://edgeapi.rubyonrails.org/classes/ActiveSupport/Cache/NullStore.html#method-i-increment
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Style/SpaceBeforeBlockBraces
Style/SpaceInsideBlockBraces
Style/SpaceInsideHashLiteralBraces
Fix all violations in the repository.
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The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.
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Reevaluating the log output generated from this instrumentation,
we've found that it wasn't all that useful in practice.
```
Caches multi read:
- views/david/2/4184ab71db6849621a4d8820fcd2c0ad
- views/david/2/4184ab71db6849621a4d8820fcd2c0ad
- views/david/3/4184ab71db6849621a4d8820fcd2c0ad
- views/david/3/4184ab71db6849621a4d8820fcd2c0ad
```
If rendering many templates the output is inscrutable, and it's impossible
to see how many cache misses there were.
Revert ca6aba7f30 and implement a better way later.
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even if a write fails, store the raw value
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rescue memcached errors in a consistent way
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this themselves
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extending an instance with a module puts the methods on top of it,
prepend does the same but on the class level, so less work for us and more standard way of doing things
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Adds `read_multi` instrumentation formatted as:
Caches multi read:
- views/david/2/4184ab71db6849621a4d8820fcd2c0ad
- views/david/2/4184ab71db6849621a4d8820fcd2c0ad
- views/david/3/4184ab71db6849621a4d8820fcd2c0ad
- views/david/3/4184ab71db6849621a4d8820fcd2c0ad
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:mem_cache_store should receive a list of hosts or a dalli client,
otherwise raise it.
Also adding a changelog.
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:mem_cache_store require dalli, rescue Dalli exceptions, and follow Dalli API.
Memcached gem, for instance, doesnt work anymore, as the API are different.
As we already require one client, we should make sure that client works, and not accept others, and if someone wants to use another memcache client they can write their own store adapter.
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(active_support/dependecies.rb) (issue #8167)
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:race_condition_ttl working correctly.
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ActiveSupport::Cache::MemCacheStore
memcache-client was deprecated in favour of dalli in 2010.
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This reverts commit e34e4d43301618307f94123d3710f094297f91f3.
Reason: code changes are not allowed in docrails.
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[#5539 state:committed]
Commit 57144388f removed the hard-coded dependency on the memcache-client
gem, and added this warning advising people to install it if needed. The
problem is, however, that if people follow the advice literally and install
the 'memcache' gem, they will wind up with a completely different thing,
which is not API compatible with the memcache-client gem and which Rails
can't work with.
So, be explicit and tell users to install the 'memcache-client' gem.
Signed-off-by: Santiago Pastorino <santiago@wyeworks.com>
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getbyte that was already added as a Ruby < 1.9 core_ext
Signed-off-by: José Valim <jose.valim@gmail.com>
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state:resolved]
As of this writing the JRuby client does not support a default port.
Signed-off-by: Xavier Noria <fxn@hashref.com>
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Signed-off-by: José Valim <jose.valim@gmail.com>
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All Caches
* Add default options to initializer that will be sent to all read, write, fetch, exist?, increment, and decrement
* Add support for the :expires_in option to fetch and write for all caches. Cache entries are stored with the create timestamp and a ttl so that expiration can be handled independently of the implementation.
* Add support for a :namespace option. This can be used to set a global prefix for cache entries.
* Deprecate expand_cache_key on ActiveSupport::Cache and move it to ActionController::Caching and ActionDispatch::Http::Cache since the logic in the method used some Rails specific environment variables and was only used by ActionPack classes. Not very DRY but there didn't seem to be a good shared spot and ActiveSupport really shouldn't be Rails specific.
* Add support for :race_condition_ttl to fetch. This setting can prevent race conditions on fetch calls where several processes try to regenerate a recently expired entry at once.
* Add support for :compress option to fetch and write which will compress any data over a configurable threshold.
* Nil values can now be stored in the cache and are distinct from cache misses for fetch.
* Easier API to create new implementations. Just need to implement the methods read_entry, write_entry, and delete_entry instead of overwriting existing methods.
* Since all cache implementations support storing objects, update the docs to state that ActiveCache::Cache::Store implementations should store objects. Keys, however, must be strings since some implementations require that.
* Increase test coverage.
* Document methods which are provided as convenience but which may not be universally available.
MemoryStore
* MemoryStore can now safely be used as the cache for single server sites.
* Make thread safe so that the default cache implementation used by Rails is thread safe. The overhead is minimal and it is still the fastest store available.
* Provide :size initialization option indicating the maximum size of the cache in memory (defaults to 32Mb).
* Add prune logic that removes the least recently used cache entries to keep the cache size from exceeding the max.
* Deprecated SynchronizedMemoryStore since it isn't needed anymore.
FileStore
* Escape key values so they will work as file names on all file systems, be consistent, and case sensitive
* Use a hash algorithm to segment the cache into sub directories so that a large cache doesn't exceed file system limits.
* FileStore can be slow so implement the LocalCache strategy to cache reads for the duration of a request.
* Add cleanup method to keep the disk from filling up with expired entries.
* Fix increment and decrement to use file system locks so they are consistent between processes.
MemCacheStore
* Support all keys. Previously keys with spaces in them would fail
* Deprecate CompressedMemCacheStore since it isn't needed anymore (use :compress => true)
[#4452 state:committed]
Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>
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