Summary: We used to inline smaller blobs into the data table, and only chunk bigger blobs. Performance tests show that we don't have significant issues with round trips to our MySQL infrastructure, so let's simplify the problems of deduplication and hard linking by always storing the data in chunks, and having the keys directly return significant data.
Reviewed By: ahornby
Differential Revision: D21939500
fbshipit-source-id: 6ad73b25ac859fb1b4f067a3016516b713e8b2f5
Summary: The replacement will make lfs_server, mononoke_api, edenapi_server and walker OSS buildable.
Reviewed By: krallin
Differential Revision: D21884324
fbshipit-source-id: e6cdf8356b13056a9944ab9da18dc15977b6a2ec
Summary:
The blobstore multiplexer contains logic to log blobstore operations to
scuba, as well as updating `PerfCounters`. There are some cases where we don't use the
multiplexed blobstore, which means that we're missing this important logging.
Factor out the logging to a separate crate and implement `LogBlob`, which wraps
another blobstore and performs logging to both scuba and PerfCounters.
Reviewed By: StanislavGlebik
Differential Revision: D21573455
fbshipit-source-id: 490ffd347f1ad19effc93b93f880836467b87651
Summary:
I want to reuse the functionality provided by `fetch_all_public_changesets`
in building Segmented Changelog. To share the code I am adding a new crate
intended to store utilities in dealing with bulk fetches.
Reviewed By: krallin
Differential Revision: D21471477
fbshipit-source-id: 609907c95b438504d3a0dee64ab5a8b8b3ab3f24
Summary:
We want to be able to record all the bundles Mononoke processes to be later
replayed by Mercurail.
Reviewed By: krallin
Differential Revision: D21427622
fbshipit-source-id: b88e10e03d07dae35369286fe31022f36a1ee5cf
Summary: Cover as much as remining code with `Cargo.toml`s, for the rest create an exlusion list in the autocargo config.
Reviewed By: krallin
Differential Revision: D21383620
fbshipit-source-id: 64cc78a38ce0ec482966f32a2963ab4939e20eba
Summary: Covering repo_listener and microwave plus some final touch and we have a buildable Mononoke binary.
Reviewed By: krallin
Differential Revision: D21379008
fbshipit-source-id: cca3fbb53b90ce6d2c3f3ced7717404d6b04dd51
Summary:
There are few related changes included in this diff:
- backsyncer is made public
- stubs for SessionContext::is_quicksand and scuba_ext::ScribeClientImplementation
- mononoke/hgproto is made buildable
Reviewed By: krallin
Differential Revision: D21330608
fbshipit-source-id: bf0a3c6f930cbbab28508e680a8ed7a0f10031e5
Summary: Making a trait out of TimeWindowCounter will help with providing different implementations of load limiting for OSS and FB.
Reviewed By: krallin
Differential Revision: D21329265
fbshipit-source-id: 7f317f8e9118493f3dcbadb0519eaff565cbd882
Summary: Making a trait out of LoadLimiter will help with providing different implementations of load limiting for OSS and FB.
Reviewed By: farnz
Differential Revision: D21302819
fbshipit-source-id: 1b982a367aa7126ca5d7772e4a2406dabbe9e13b
Summary:
Currently, Mononoke's configs are loaded at startup and only refreshed
during restart. There are some exceptions to this, including throttling limits.
Other Mononoke services (such as the LFS server) have their own implementations
of hot reloadable configs, however there isn't a universally agreed upon method.
Static configs makes it hard to roll out features gradually and safely. If a
bad config option is enabled, it can't be rectified until the entire tier is
restarted. However, Mononoke's code is structured with static configs in mind
and doesn't support hot reloading. Changing this would require a lot of work
(imagine trying to swap out blobstore configs during run time) and wouldn't
necessarily provide much benefit.
Instead, add a subset of hot reloadable configs called tunables. Tunables are
accessible from anywhere in the code and are cheap to read as they only require
reading an atomic value. This means that they can be used even in hot code
paths.
Currently tunables support reloading boolean values and i64s. In the future,
I'd like to expand tunables to include more functionality, such as a rollout
percentage.
The `--tunables-config` flag points to a configerator spec that exports a
Tunables thrift struct. This allows differents tiers and Mononoke services to
have their own tunables. If this isn't provided, `MononokeTunables::default()`
will be used.
This diff adds a proc_macro that will generate the relevant `get` and `update`
methods for the fields added to a struct which derives `Tunables`. This struct is
then stored in a `once_cell` and can be accessed using `tunables::tunables()`.
To add a new tunable, add a field to the `MononokeTunables` struct that is of
type `AtomicBool` or `AtomicI64`. Update the relevant tunables configerator
config to include your new field, with the exact same name.
Removing a tunable from `MononokeTunables` is fine, as is removing a tunable
from configerator.
If the `--tunables-config` path isn't passed, then a default tunables config
located at `scm/mononoke/tunables/default` will be loaded. There is also the
`--disable-tunables` flag that won't load anything from configerator, it
will instead use the `Tunable` struct's `default()` method to initialise it.
This is useful in integration tests.
Reviewed By: StanislavGlebik
Differential Revision: D21177252
fbshipit-source-id: 02a93c1ceee99066019b23d81ea308e4c565d371
Summary:
Add the Mononoke Mercurial mutation store. This stores mutation information
for draft commits so that it can be shared between clients. The mutation
entries themselves are stored in a database, and the mutation store provides
abstractions for adding and querying them.
This commit adds the `all_predecessors` method to the mutation store, which
allows Mononoke to fetch all predecessors for a given set of commits. This
will be used to serve mutation information to clients who are pulling draft
commits.
Reviewed By: krallin
Differential Revision: D20287381
fbshipit-source-id: b4455514cb8a22bef2b9bf0229db87c2a0404448
Summary: The new MembershipChecker and PermissionChecker traits will generalize access to various permission/acl systems (like LDAP) and leave the implementation details hidden behind an object trait.
Reviewed By: StanislavGlebik
Differential Revision: D21067811
fbshipit-source-id: 3bccd931f8acdb6c1e0cff4cb71917c9711b590b
Summary:
The revisionstore is a large crate with many dependencies, split out the types part which is most likely to be shared between different pieces of eden/mononoke infrastructure.
With this split it was easy to get eden/mononoke/mercurial/bundles
Reviewed By: farnz
Differential Revision: D20869220
fbshipit-source-id: e9ee4144e7f6250af44802e43221a5b6521d965d
Summary: Some methods that were unused or barely used outside of the cmdlib crate were made non-public (parse_caching, CachelibSettings, init_cachelib_from_settings).
Reviewed By: krallin
Differential Revision: D20671251
fbshipit-source-id: 232e786fa5af5af543239aca939cb15ca2d6bc10
Summary: Asyncified main functions of the fastlog/ops, so it'd be easier to modify them and proceed with the new features.
Reviewed By: StanislavGlebik
Differential Revision: D20801028
fbshipit-source-id: 2a03eedca776c6e1048a72c7bd613a6ef38c5c17
Summary:
Refactor `sql_ext::SqlConstructors` and its related traits into a separate
crate. The new `SqlConstruct` trait is joined by `SqlShardedConstruct` which
allows construction of sharded databases.
The new crate will support a new configuration model where the distinction
between the database configuration for different repository metadata types
will be made clear.
Reviewed By: StanislavGlebik
Differential Revision: D20734882
fbshipit-source-id: b44cf9d1efd014c29df88e2ad933025e440119dc
Summary:
It is preferable to use the higher-level API of cached_config instead of ConfigeratorAPI whenever possible since the higher-level API supports OSS builds.
For `ConfigStore` let `poll_interval` be None so that for one-off reading of configs the ConfigStore doesn't needlessly spawn an updating thread.
Also this update is with compliance to the discussion in D19026190.
Reviewed By: ahornby
Differential Revision: D20670224
fbshipit-source-id: 24fc124d440fd458a9fa88a906fc3a1cfdbd827e
Summary: In the process the blobstore/factory/lib.rs was split into submodules - this way it was easier to untangle the dependencies and refactor it, so I've left the split in this diff.
Reviewed By: markbt
Differential Revision: D20302068
fbshipit-source-id: caa3a2b5487c30198c62f7e4f4e9cb7c488dc8de
Summary: This diff makes it possible to relay on the thrift structures from configerator in OSS.
Reviewed By: ahornby
Differential Revision: D20279457
fbshipit-source-id: 39df1c7a6f78b10a0a5bdeeebe476249ab674cc8
Summary:
This shifts the responsibility of mocking all facebook-specific code
to mononoke's sql_ext crate. If OSS code calls into any of that code it will
most likely result in a panic.
Reviewed By: ahornby
Differential Revision: D20247580
fbshipit-source-id: 43f158d91aa32adaa5df6e3786243fb89c9ce961
Summary:
Add a sampling blobstore for use by the walker.
Combined with the SamplingKey in next in stack it allows samplinglow level blobstore operations from hight level actions on things like BlobRepo.
Reviewed By: mitrandir77
Differential Revision: D20534843
fbshipit-source-id: 8c7378572a4f78534f66b09adfccf08b3aaa103d
Summary: separate out the Facebook-specific pieces of the sql_ext crate
Reviewed By: ahornby
Differential Revision: D20218219
fbshipit-source-id: e933c7402b31fcd5c4af78d5e70adafd67e91ecd
Summary:
These comments end up being a source of churn as we roll out D20125635, and anyway are not particularly meaningful after the transformations performed by autocargo. For example:
```
bytes = { version = "0.4", features = ["serde"] } # todo: remove
```
^ This doesn't mean the generated Cargo.toml intends to drop its bytes dependency altogether, but just that will be migrated to a different version that is present in the third-party/rust/Cargo.toml but not visible in the generated Cargo.toml.
Reviewed By: jsgf
Differential Revision: D20128612
fbshipit-source-id: a9e7b29ddc4b26bc47a626dd73bdaa4771ee7b18
Summary: Adds the Cargo.toml files for blobstore, this is a step towards covering mononoke-types, so only the blobstore traits are covered by this diff.
Reviewed By: aslpavel
Differential Revision: D19948739
fbshipit-source-id: c945a9ca16ccceb0e50a50d941dec65ea74fe78f
Summary: common/sql_ext will now be buildable in OSS
Reviewed By: krallin
Differential Revision: D19876764
fbshipit-source-id: 0f51abd1169f6b8108e7e4cab85b5f193c28e2cd
Summary:
Take the README.md from
7ead0e29e4/README.md
and apply it on Eden repo.
Re-add the Cargo.toml file that declares Cargo workspace.
Re-add fbcode_builder/getdeps manifest for Mononoke
Pull Request resolved: https://github.com/facebookexperimental/eden/pull/13
Test Plan:
./build/fbcode_builder/getdeps.py build mononoke
./build/fbcode_builder/getdeps.py test mononoke
Reviewed By: ahornby
Differential Revision: D19833059
Pulled By: lukaspiatkowski
fbshipit-source-id: fb37e13306c0b9969a7c4e52b05e1a66a577022f
