Summary: EdenFS doesnt daemonize correctly due to the privhelper not closing fd 0 (see http://www.faqs.org/faqs/unix-faq/programmer/faq/). This redirects stdin to /dev/null/ in order to do so.
Reviewed By: xavierd
Differential Revision: D21602545
fbshipit-source-id: 0aeb589efbf214ef22c0db039fbb6a436a71e360
Summary:
This checks in some design documents based on the "EdenFS Internals"
presentation that I've given internally a few times.
Reviewed By: wez
Differential Revision: D21519530
fbshipit-source-id: 3f79d38e8ccf994b2ef303d491809a91fa5b6d95
Summary:
Next step in unifying the mount path, let's make the initialize the same in
Windows and unices. The only difference is now limited to the .eden directory
which we will be able to implement once regular users can create symlinks.
For the takeover code, the #ifdef is pushed down to the actual code that does
it, this allows the rest of the code to not have to bother about Windows vs
other platforms.
Reviewed By: wez
Differential Revision: D21517478
fbshipit-source-id: d40ca2694d23031ff98e319071e610efa306008f
Summary:
In order to build a StringPiece from a C-string, the length of the that
string needs to be known, and a constexp strlen is performed on it. That
strlen is however a recursive one, causing the stack to blow up on big file.
Interestingly enough, this also means that binary files potentially had a
wrong sha1 being computed, potentially causing `hg status` to report some
files as being modified, while they aren't. By switching to using a vector
instead of a string, the intent should of this should be more obvious.
Reviewed By: simpkins
Differential Revision: D21551331
fbshipit-source-id: 2dc1f08d96f49d310593e0e934a03215be2b5cbb
Summary: Nothing should be running with this version, so this check is not needed anymore!
Reviewed By: chadaustin, wez
Differential Revision: D21513269
fbshipit-source-id: 698c9d84e87461cd0484ef997f44dc9169e87a25
Summary:
While not all stats are supported on Windows, most of them can, let's enable
them. This is a first step in unifying the mount path for Windows and Unices.
Reviewed By: chadaustin
Differential Revision: D21514732
fbshipit-source-id: 00fd89b7499f8ae18c089f98bc18cd43f68538fa
Summary:
While this isn't the right fix, this is what shipped in our packages, for the
sake of being able to reproduce the package, let's land this as it is. A
future change will remove this ifdef.
Below is pkaush original description:
In Eden Windows we treat all the files as regular files and don't have a
concept of symlinks and executable files. Fixing the TreeEntryType::getType()
to return REGULAR_FILE for executable file and symlink.
Reviewed By: wez
Differential Revision: D20481051
fbshipit-source-id: 0b0c4d7aea28134383ef45aeafc02930b420286b
Summary: add two methods calls as typehints (no real code change).
Reviewed By: zeroxoneb
Differential Revision: D21337646
fbshipit-source-id: 8079883f7f989251965d3308c5374f097023b57a
Summary:
- Added uptime field to DaemonInfo thrift struct
- Created startTime member variable in EdenServer
- Made appropriate refactoring changes to EdenMain and EdenServer
- Changed main.py and util.py to use the new uptime value
Reviewed By: genevievehelsel
Differential Revision: D21471140
fbshipit-source-id: 8868de667dfb95de93e3e71b90c0412fb3825388
Summary:
The disabled tests are due to the st_mtime stored in the struct stat only
having a second granularity (as expected), but the tests are changing these
files faster than that, causing them to fail. I'll attempt to fix the file
change detection mechanism on a later diff.
Reviewed By: wez
Differential Revision: D21319025
fbshipit-source-id: a3f2d62a3ce56fea37a62bfad73306ac1556f772
Summary:
Same as the previous one, paths are different on Windows, and thus we need to
test against a different path.
Reviewed By: wez
Differential Revision: D21319021
fbshipit-source-id: 849c86574e69c3f638ea180c3b594aaeae2970ad
Summary:
The use of realpath is needed to resolve a unix-style path to a Windows style
one. This helps keep the test generic with no `#ifdef _WIN32`
Reviewed By: wez
Differential Revision: D21319019
fbshipit-source-id: b8cdd81f0afdd135849a5b850d854399cef8cef8
Summary:
In glibc, pthread cancellation support adds two atomic CAS operations
to each "cancellation point" syscall (see pthreads(7)). This includes
read() and write(). We can avoid that overhead by disabling pthread
cancellation at the start of the FUSE worker threads.
This saves two CAS operations (~40 ns) in the critical FUSE request
processing loop.
Reviewed By: simpkins
Differential Revision: D21469690
fbshipit-source-id: 7f28a2a8e831006351657981e901dc572c58cf48
Summary:
Migrating buck integration to use configurations, which is more performant and is the primary supported way to run Pyre.
Mypy is no longer supported at Facebook, so mypy buck integration is covered in this migration as well.
Configuration target automatically expanded to include all subtargets, expanding type coverage while introducing no more than 2 fixmes per file.
Reviewed By: dkgi
Differential Revision: D21474723
fbshipit-source-id: 2501af8250b4998fe331350b80c9dc8b4ba2dd1a
Summary:
Sometimes, in shell one-liners, it's convenient to insert the current
eden pid. We print the pid as part of `eden status` (like nginx and
many other daemonizing programs), but that is not useful for shell
substitution. So a pid subcommand that succeeds and prints the pid to
stdout if running and fails if edenfs is not running.
An example use would be `strace -fyp $(eden pid)`
Reviewed By: genevievehelsel
Differential Revision: D21397118
fbshipit-source-id: 06010150557ec882b452180665b84452fa06ebbd
Summary:
The information available in `eden top` is growing and as we add more and
more to eden top, we want to make sure that eden top users can understand
what `eden top` is telling them. Particularly if we want eden end users to be
able to debug themselves, providing them enough context on the
metrics eden top provides is important.
The help page explains what data is included, why this data is helpful and
when this data indicates a concern.
Reviewed By: wez
Differential Revision: D20974262
fbshipit-source-id: caaef70e76d283968bee8533c7c34d63a95c5490
Summary:
this is preperation for adding a help page to eden top (D20974262)
This allows adding a scrollable section to `eden top`. This is particuarly needed
so that the help page is readable when it does not fit all in one screen. This
also allows scrolling the process table on the main page to see all the
processes listed (this is added here).
Reviewed By: chadaustin
Differential Revision: D20974245
fbshipit-source-id: 402409efdc451db32e7a267b0750204f2322dc4f
Summary:
this is preparation for adding a help page to eden top (D20974262)
This moves all code for writing to the screen to its own class so that
it is not scattered through out the rest of the eden top logic. This is
primarlity so that it is easier to make changes the screen writing logic to
allow scrolling, which is needed so that the full help screen can be read
when it takes up more space than is avaiable.
Reviewed By: chadaustin
Differential Revision: D20965954
fbshipit-source-id: c2690a293579706605d26be9d3bbe491104e6847
Summary:
Our use of the term "client" to refer to a checkout is
deprecated. Rename some internal functions that use the term client.
Reviewed By: simpkins
Differential Revision: D21395159
fbshipit-source-id: fa96ba593f53b493e5ae816fa686f333a132c232
Summary:
Add new fields to EdenConfig to control log rotation settings, and update
edenfs_monitor to set up the log rotation strategy using these settings.
Reviewed By: chadaustin
Differential Revision: D20427271
fbshipit-source-id: 9960bdb6f4d077a4e21fb4a6209aa02ab21ad653
Summary:
Update the LogFile class in edenfs_monitor to support log rotation when the
file size exceeds a set limit.
There is a generic API to abstract out the log rotation details. For now
I have only implemented a relatively straightforward implementation that
appends the current timestamp to the log path, and prunes old log files.
Reviewed By: chadaustin
Differential Revision: D20427310
fbshipit-source-id: f6aefc8f2fe604fdd1d6a72c3d30666612912f41
Summary:
See the comment in FuseChannel.cpp, but it's currently not easy to
avoid the "security.capability" getxattr request for every
write. Since we can't avoid the request, the fastest thing we can do
is branch, strcmp, and fast-path a result on the same thread.
This appears to save three or four microseconds in the 4k random write
benchmark.
Reviewed By: wez
Differential Revision: D21341973
fbshipit-source-id: a23620767f4bdec4daf02ecfe3acb924dd57857a
Summary:
On Windows, we've had a couple of cases where the overlay is corrupted which
prevent remounting EdenFS. In this case, one entry of a directory was an empty
path. Let's try to catch the error when it happens, instead of after the fact.
Reviewed By: wez
Differential Revision: D21443002
fbshipit-source-id: 47e59aee803cc0b4befd6e0585836d5c68e905b1
Summary:
The disabled tests are due to the precision of st_mtime on Windows only being
a second, but the tests are changing the config faster than that.
Reviewed By: wez
Differential Revision: D21319023
fbshipit-source-id: bcdce24f70ce99984cabb290338ac94a2459e9de
Summary:
These 3 tests compile without issues on Windows. The RocksDB one is weird,
while it compiles with no hickups, I simply cannot run the resulting test
binary, and I'm not sure how to debug this. The local store one fails in folly.
Reviewed By: chadaustin
Differential Revision: D21393724
fbshipit-source-id: db90bf20a9d116bc8aa493703997c5e8da76eb1f
Summary: All the tests are passing.
Reviewed By: chadaustin
Differential Revision: D21341730
fbshipit-source-id: 90a3872b190879ec163935ff53703157028f87bc
Summary:
The modeFromEntryType and treeEntryTypeFromMode tests for symlinks and
executable had to be disabled as these function explicitely do not support
these. Since mode bits are a bit meaningless on Windows, this is probably OK.
Reviewed By: chadaustin
Differential Revision: D21341728
fbshipit-source-id: 86acf24d9ab67a02ecab33b7ebe82a456295fc3c
Summary: All of these tests are passing on Windows with no changes.
Reviewed By: chadaustin
Differential Revision: D21341729
fbshipit-source-id: 2b4d52751e74fa953bfe5143dc0c5735de2d34cf
Summary:
All of these were simply NOT_IMPLEMENTED on Windows, but the code compiles
and doesn't break any existing tests. The underlying called functions might
have been implemented already, or are NOT_IMPLEMENTED, either way, this reduces
the amount of `#ifdef _WIN32`.
Reviewed By: chadaustin
Differential Revision: D21405622
fbshipit-source-id: bdc2de41d6a57e1c0b532e76eeb2c0c86180d558
Summary:
vs2017 is not able to compile the static assertion in KeySpace.cpp.
Previously we thought that this would be resolved in a later release of vs2017
but now that is here it is clear that it hasn't been fixed.
This commit pushes the version requirement to vs2019 (see
https://dev.to/yumetodo/list-of-mscver-and-mscfullver-8nd for a mapping between
product versions and compiler versions), but we cannot build with vs2019
because folly and rangev3 don't compile with vs2019, so this assertion (heh!)
has literally not been tested.
This commit also fixes up an oversight in the gating logic: the intent is that
we perform the assertion on all systems except known broken MSVC. We were
accidentally restricting it to later versions of MSVC.
Reviewed By: simpkins
Differential Revision: D21432890
fbshipit-source-id: e11ffccc53bf8dffdf2db45ad4f3cf199b1cc70d
Summary: Instead of having `HgBackingStore` fetch blobs separately, we now try to read from hgcache and fetch from `HgImporter` as batches.
Reviewed By: chadaustin
Differential Revision: D20903245
fbshipit-source-id: d8e404d6765f1bcbacbf2a39f83eab0a351a3fe0
Summary: This diff makes `HgImportRequestQueue` to be able to return multiple requests in the queue at once.
Reviewed By: chadaustin
Differential Revision: D20197070
fbshipit-source-id: 8cff1780d6e56321a756d30ac0e9b9d5d319c049
Summary: The life of a request is only able to be finished with one of the method. So we can instead having the tracker destroyed when the future is resolved.
Reviewed By: chadaustin
Differential Revision: D20995819
fbshipit-source-id: 5dac2f762513b5d0bcacaab7d0669fc8fdb61e80
Summary:
Readability improvements.
`HgQueuedBackingStore` will need to call these functions individually.
Reviewed By: chadaustin
Differential Revision: D20683321
fbshipit-source-id: 9a9bd766c34559048bd0971f17304090abbb2774
Summary:
During a graceful restart, while the fuse mount is not handling
requests, avoid a possible deadlock between the edenfs, hg
debugedenimporthelper, and watchman processes.
See the comment in HgImporter.cpp.
Reviewed By: fanzeyi
Differential Revision: D21342275
fbshipit-source-id: df8fb5df5d5cd1490e88b42054b34cbb2acdb692
Summary:
On Windows, the following pseudo code:
int fd = open("file");
struct stat st;
fstat(fd, &st);
Will have a different st_dev than the following code:
struct stat st;
stat("file", &st);
Since the FileChangeMonitor uses st_dev as a way to compare if a file
changed, the config is always reloaded.
For our use case, the filesize and its mtime should be enough to know if the
configuration changed, so let's only use these 2 on Windows.
Reviewed By: wez
Differential Revision: D21312679
fbshipit-source-id: f08b3eb7d6037f5d88ece82efe3a5437b1954ba2
Summary:
Only the mtime test had to be disabled due to getMetadata not being tracked
on Windows.
Reviewed By: wez
Differential Revision: D21312680
fbshipit-source-id: 5678956ed2b8b45b38d44c459557161aa6fd222e
Summary:
Fairly straightforward, one change to the test was necessary as reading an
unlinked file cannot be done on Windows.
Reviewed By: wez
Differential Revision: D21312681
fbshipit-source-id: c8cca5eeca7825983176ef618007c514b8e02140
Summary:
This brings it closer to folly::writeFile which should help in avoiding ifdef
whenever we want to use it.
Reviewed By: wez
Differential Revision: D21319020
fbshipit-source-id: 80fbf7fba671b18b5ef68375910e1a2a8869f590
Summary:
On Windows calling `connect()` on an AF_UNIX socket path that does not exist
creates a file at that location. This is problematic as it now prevents
servers from binding to that path. Even if the server attempts to remove the
file in order to bind, clients attempting to call `connect()` can race with it
and make binding fail.
This updates our client connection code check to see if the file exists before
attempting to call `connect()`. This can still race with a server that is
trying to remove an old socket and re-bind, but it at least makes the race
less likely to happen.
Reviewed By: genevievehelsel
Differential Revision: D21410571
fbshipit-source-id: 3df63b19b40b25be98108246186a48a379cdab28
Summary:
The name of a checkout is not a public concept, so refer to the
checkout's path.
Reviewed By: genevievehelsel
Differential Revision: D21393208
fbshipit-source-id: 4c014a6f65515f4632f2dffe5d563d0ee859dda0
Summary:
When I want FUSE stats, I never run `eden stats io`. To unify the
command language, rename `io` to `fuse` and `latency` to
`fuse-latency`, to match `thrift` and `thrift-latency`.
Leave aliases in place in the off chance someone cares.
Reviewed By: genevievehelsel
Differential Revision: D21392931
fbshipit-source-id: 843c1c85ea0aa162ba167f251f0f2cde5a389e72
Summary:
`eden stats memory` was never useful because it shows system
statistics which you can get better from `top`, `htop`, or `atop`.
Reviewed By: genevievehelsel
Differential Revision: D21392737
fbshipit-source-id: 010021b8a97bd8ba8ac289d906acc3c3ecd10768
Summary: So the linter will stop nagging at my changes to this file.
Reviewed By: wez
Differential Revision: D21396011
fbshipit-source-id: dbc3479637cca83aa1a11ff94a9033dfa42fc2a6
Summary:
Talked with xavierd last week and we can use LocalStore's `get_missing` to determine if a blob is present locally. In this way we can prevent the backingstore crate from accidentally asking EdenAPI for a blob, so better control at EdenFS level.
With this change, we can use this function at the time where a blob import request is created with confidence that this should be short cheap call.
This diff should not change any behavior or performance.
Reviewed By: xavierd
Differential Revision: D21391959
fbshipit-source-id: fd31687da1e048262cb4eae2974cab6d8915a76d
