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13 Commits

Author SHA1 Message Date
Eng Zer Jun 8e507075d1 test: replace defer cleanup with `t.Cleanup` 
Reference: https://pkg.go.dev/testing#T.Cleanup
Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
 2022-12-09 14:38:05 +00:00
Josh Soref ce3b65e6dc all: fix spelling across the project 
* abcdefghijklmnopqrstuvwxyz
* accounting
* additional
* allowed
* almost
* already
* appropriately
* arise
* bandwidth
* behave
* bidirectional
* brackets
* cached
* characters
* cloud
* committing
* concatenating
* configured
* constructs
* current
* cutoff
* deferred
* different
* directory
* disposition
* dropbox
* either way
* error
* excess
* experiments
* explicitly
* externally
* files
* github
* gzipped
* hierarchies
* huffman
* hyphen
* implicitly
* independent
* insensitive
* integrity
* libraries
* literally
* metadata
* mimics
* missing
* modification
* multipart
* multiple
* nightmare
* nonexistent
* number
* obscure
* ourselves
* overridden
* potatoes
* preexisting
* priority
* received
* remote
* replacement
* represents
* reproducibility
* response
* satisfies
* sensitive
* separately
* separator
* specifying
* string
* successful
* synchronization
* syncing
* šenfeld
* take
* temporarily
* testcontents
* that
* the
* themselves
* throttling
* timeout
* transaction
* transferred
* unnecessary
* using
* webbrowser
* which
* with
* workspace

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>
 2022-08-30 11:16:26 +02:00
Nick Craig-Wood d252816706 vfs: add vfs/stats remote control to show statistics - fixes #5816 2021-11-23 18:00:21 +00:00
Atílio Antônio c08d48a50d
docs: improve grammar and fix typos (#5361) 
This alters some comments in source files, but is interested mainly in documentation files and help messages.
 2021-11-04 12:50:43 +01:00
albertony 3a2f748aeb vfs: ensure names used in cache path are legal on current os 
Fixes #5360
 2021-08-19 20:14:50 +02:00
Nick Craig-Wood a4c4ddf052 vfs: rename files in cache and cancel uploads on directory rename 
Before this change rclone did not cancel an uploads or rename the
cached files in the directory cache when a directory was renamed.

This caused issues with uploads arriving in the wrong place on bucket
based file systems.

See: https://forum.rclone.org/t/after-a-directory-renmane-using-mv-files-are-not-visible-any-longer/22797
 2021-03-22 09:07:01 +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
Leo Luan c665201b85 vfs: support synchronous cache space recovery upon ENOSPC 
This patch provides the support of synchronous cache space recovery
to allow read threads to recover from ENOSPC errors when cache space
can be recovered from cache items that are not in use or safe to be
reset/emptied .

The patch complements the existing cache cleaning process in two ways.

Firstly, the existing cache cleaning process is time-driven that runs
periodically. The cache space can run out while the cache cleaner
thread is still waiting for its next scheduled run. The io threads
encountering ENOSPC return an internal error to the applications
in this case even when cache space can be recovered to avoid this
error. This patch addresses this problem by having the read threads
kick the cache cleaner thread in this condition to recover cache
space preventing unnecessary ENOSPC errors from being seen by the
applications.

Secondly, this patch enhances the cache cleaner to support cache
item reset. Currently the cache purge process removes cache
items that are not in use. This may not be sufficient when the
total size of the working set exceeds the cache directory's
capacity. Like in the current code, this patch starts the purge
process by removing cache files that are not in use. Cache items
whose access times are older than vfs-cache-max-age are removed first.
After that, other not-in-use items are removed in LRU order until
vfs-cache-max-size is reached. If the vfs-cache-max-size (the quota)
is still not reached at this time, this patch adds a cache reset
step to reset/empty cache files that are still in use but not
dirtied.  This enables application processes to continue without
seeing an error even when the working set depletes the cache space
as long as there is not a large write working set hoarding the
entire cache space.

By design this patch does not add ENOSPC error recovery for write
IOs. Rclone does not empty a write cache item until the file data
is written back to the backend upon close. Allowing more cache
space to be consumed by dirty cache items when the cache space is
already running low would increase the risk of exhausting the cache
space in a way that the vfs mount becomes unreadable.
 2020-08-25 21:12:06 +01:00
Nick Craig-Wood 15402e46c9 vfs: Add recovered items on cache reload to directory listings 
Before this change, if we restarted an upload after a restart then the
file would get uploaded but never added to the directory listings.

This change makes sure we add virtual items to the directory cache
when reloading the cache so that they show up properly.
 2020-06-30 12:03:39 +01:00
Nick Craig-Wood 939860eb85 vfs: vfscache make TestCacheCleaner test more reliable 2020-06-30 12:03:39 +01:00
Nick Craig-Wood 58a7faa281 vfs: Make tests run reliably 
On file Remove
- cancel any writebacks in progress
- ignore error message deleting non existent file if file was in the
  process of being uploaded

Writeback
- Don't transfer the file if it has disappeared in the meantime
- Take our own copy of the file name to avoid deadlocks
- Fix delayed retry logic
- Wait for upload to finish when cancelling upload

Fix race condition in item saving

Fix race condition in vfscache test

Make sure we delete the file on the error path - this makes cascading
failures much less likely
 2020-06-30 12:01:36 +01:00
Nick Craig-Wood e4e53a2e61 vfs: add --vfs-writeback option to delay writes back to cloud storage 
This is enabled by default and can be disabled with --vfs-writeback 0
 2020-06-30 12:01:36 +01:00
Nick Craig-Wood 917cb4acb3 vfs: implement partial reads in --vfs-cache-mode full 
This allows reads to only read part of the file and it keeps on disk a
cache of what parts of each file have been loaded.

File data itself is kept in sparse files.
 2020-06-30 12:01:36 +01:00