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31 Commits

Author SHA1 Message Date
Nick Craig-Wood
dd0e5b9a7f operations: use built in io.OffsetWriter for go1.20 2024-01-15 16:22:07 +00:00
Nick Craig-Wood
d5d28a7513 operations: fix overwrite of destination when multi-thread transfer fails 
Before this change, if a multithread upload failed (let's say the
source became unavailable) rclone would finalise the file first before
aborting the transfer.

This caused the partial file to be written which would overwrite any
existing files.

This was fixed by making sure we Abort the transfer before Close-ing
it.

This updates the docs to encourage calling of Abort before Close and
updates writerAtChunkWriter to make sure that works properly.

This also reworks the tests to detect this and to make sure we upload
and download to each multi-thread capable backend (we were only
downloading before which isn't a full test).

Fixes #7071
 2023-11-24 11:19:58 +00:00
Nick Craig-Wood
1f9a79ef09 operations: use less memory when doing multithread uploads 
For uploads which are coming from disk or going to disk or going to a
backend which doesn't need to seek except for retries this doesn't
buffer the input.

This dramatically reduces rclone's memory usage.

Fixes #7350
 2023-11-20 18:07:05 +00:00
Vitor Gomes
48a8bfa6b3 operations: fix OpenOptions ignored in copy if operation was a multiThreadCopy 2023-10-11 11:19:03 +01:00
Pat Patterson
71f2883562 operations: ensure concurrency is no greater than the number of chunks - fixes #7299 2023-09-13 12:12:27 +01:00
Nick Craig-Wood
2db0e23584 backends: change OpenChunkWriter interface to allow backend concurrency override 
Before this change the concurrency used for an upload was rather
inconsistent.

- if size below `--backend-upload-cutoff` (default 200M) do single part upload.

- if size below `--multi-thread-cutoff` (default 256M) or using streaming
  uploads (eg `rclone rcat) do multipart upload using
  `--backend-upload-concurrency` to set the concurrency used by the uploader.

- otherwise do multipart upload using `--multi-thread-streams` to set the
  concurrency.

This change makes the default for the concurrency used be the
`--backend-upload-concurrency`. If `--multi-thread-streams` is set and larger
than the `--backend-upload-concurrency` then that will be used instead.

This means that if the user sets `--backend-upload-concurrency` then it will be
obeyed for all multipart/multi-thread transfers and the user can override them
all with `--multi-thread-streams`.

See: #7056
 2023-09-03 11:47:05 +01:00
Nick Craig-Wood
df5d92d709 operations: fix terminology in multi-thread copy 2023-08-25 16:31:31 +01:00
Nick Craig-Wood
1b5b36523b operations: fix accounting for multi-thread transfers 
This stops the accounting moving in large chunks and gets it to move
as the data is read out of the buffer.
 2023-08-24 17:51:36 +01:00
Nick Craig-Wood
2f424ceecf operations: don't buffer when a backend implements OpenWriterAt 
In this case we don't seek on errors so no need for seeking.
 2023-08-24 17:51:36 +01:00
Nick Craig-Wood
d4cff1ae19 operations: add abort on exit to multithread copy 2023-08-24 12:39:27 +01:00
Nick Craig-Wood
f5753369e4 operations: multipart: don't buffer transfers to local disk #7056 2023-08-24 12:39:27 +01:00
Nick Craig-Wood
0d0bcdac31 fs: add context.Ctx to ChunkWriter methods 
WriteChunk in particular needs a different context from that which
OpenChunkWriter was used with so add it to all the methods.
 2023-08-24 12:39:27 +01:00
Nick Craig-Wood
f3bd02f0ef operations: fix and tidy multithread code 
- fix docs and error messages for multithread
- use sync/errgroup built in concurrency limiting
- re-arrange multithread code
- don't continue multi-thread uploads if one part fails
 2023-08-24 12:39:27 +01:00
Nick Craig-Wood
b4e3332e02 fs: introduces aliases for OpenWriterAtFn and OpenChunkWriterFn 2023-08-24 12:39:27 +01:00
Vitor Gomes
181fecaec3 multithread: refactor multithread operation to use OpenChunkWriter if available #7056 
If the feature OpenChunkWriter is not available, multithread tries to create an adapter from OpenWriterAt to OpenChunkWriter.
 2023-08-12 17:55:01 +01:00
Paulo Schreiner
fcb912a664 fs: allow setting a write buffer for multithread 
when multi-thread downloading is enabled, rclone used
to send a write to disk after every read, resulting in a lot
of small writes to different locations of the file.

depending on the underlying filesystem or device, it can be more
efficient to send bigger writes.
 2023-06-23 18:44:43 +01:00
Nick Craig-Wood
1f9c962183 operations: reopen downloads on error when using check --download and cat 
Before this change, some parts of operations called the Open method on
objects directly, and some called NewReOpen to make an object which
can re-open itself on errors.

This adds a new function operations.Open which should be called
instead of fs.Object.Open to open a reliable stream of data and
changes all call sites to use that.

This means `rclone check --download` and `rclone cat` will re-open
files on failures.

See: https://forum.rclone.org/t/does-rclone-support-retries-for-check-when-using-download-flag/38641
 2023-06-10 14:42:29 +01:00
Nick Craig-Wood
46a323ae14 operations: Don't use multi-thread copy if the backend doesn't support it #6915 2023-05-09 17:40:58 +01:00
Nick Craig-Wood
e43b5ce5e5 Remove github.com/pkg/errors and replace with std library version 
This is possible now that we no longer support go1.12 and brings
rclone into line with standard practices in the Go world.

This also removes errors.New and errors.Errorf from lib/errors and
prefers the stdlib errors package over lib/errors.
 2021-11-07 11:53:30 +00:00
Nick Craig-Wood
2e21c58e6a fs: deglobalise the config #4685 
This is done by making fs.Config private and attaching it to the
context instead.

The Config should be obtained with fs.GetConfig and fs.AddConfig
should be used to get a new mutable config that can be changed.
 2020-11-26 16:40:12 +00:00
Josh Soref
d0888edc0a Spelling fixes 
Fix spelling of: above, already, anonymous, associated,
authentication, bandwidth, because, between, blocks, calculate,
candidates, cautious, changelog, cleaner, clipboard, command,
completely, concurrently, considered, constructs, corrupt, current,
daemon, dependencies, deprecated, directory, dispatcher, download,
eligible, ellipsis, encrypter, endpoint, entrieslist, essentially,
existing writers, existing, expires, filesystem, flushing, frequently,
hierarchy, however, implementation, implements, inaccurate,
individually, insensitive, longer, maximum, metadata, modified,
multipart, namedirfirst, nextcloud, obscured, opened, optional,
owncloud, pacific, passphrase, password, permanently, persimmon,
positive, potato, protocol, quota, receiving, recommends, referring,
requires, revisited, satisfied, satisfies, satisfy, semver,
serialized, session, storage, strategies, stringlist, successful,
supported, surprise, temporarily, temporary, transactions, unneeded,
update, uploads, wrapped

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>
 2020-10-14 15:21:31 +01:00
Nick Craig-Wood
421585dd72 accounting: add context to Account and propagate changes #3257 
This is preparation for getting the Accounting to check the context,
buf first we need to get it in place. Since this is one of those
changes that makes lots of noise, this is in a seperate commit.
 2020-07-28 16:41:17 +01:00
Tim Gallant
9bf3d3da4c fs: add UploadHeaders, DownloadHeaders to Update/Put/Open options 2020-04-23 11:07:21 +01:00
Nick Craig-Wood
7f15cc9556 operations: make ReOpen and NewReOpen public for re-use elsewhere 2020-04-19 15:18:49 +01:00
Nick Craig-Wood
bde0334bd8 operations: fix setting the timestamp on Windows for multithread copy 
Before this fix we attempted to set the modification time on the file
when it was open. This works fine on Linux but not on Windows. The
test was also incorrect testing the source file rather than the
destination file.

This closes the file before setting the modification time and fixes
the tests.

Fixes #3994
 2020-02-24 17:30:09 +00:00
Nick Craig-Wood
eb087a3b04 operations: disable multi thread copy for local to local copies #3419 
...unless --multi-thread-streams has been set explicitly
 2019-08-14 15:07:38 +01:00
Nick Craig-Wood
57d5de6fba build: fix up package paths after repo move 
git grep -l github.com/ncw/rclone | xargs -d'\n' perl -i~ -lpe 's|github.com/ncw/rclone|github.com/rclone/rclone|g'
goimports -w `find . -name \*.go`
 2019-07-28 18:47:38 +01:00
Aleksandar Jankovic
be0464f5f1 accounting: change stats interface 
This is done to make clear ownership over accounting object and prepare
for removing global stats object.

Stats elapsed time calculation has been altered to account for actual
transfer time instead of stats creation time.
 2019-07-28 14:48:19 +01:00
Aleksandar Jankovic
7b2b396d37 context: fix errgroup interaction with context 
Fixes #3307
 2019-07-01 11:51:51 +01:00
Aleksandar Jankovic
f78cd1e043 Add context propagation to rclone 
- Change rclone/fs interfaces to accept context.Context
- Update interface implementations to use context.Context
- Change top level usage to propagate context to lover level functions

Context propagation is needed for stopping transfers and passing other
request-scoped values.
 2019-06-19 11:59:46 +01:00
Nick Craig-Wood
7d70e92664 operations: enable multi threaded downloads - Fixes #2252 
This implements the --multi-thread-cutoff and --multi-thread-streams
flags to control multi thread downloading to the local backend.
 2019-05-11 23:35:19 +01:00