Commit graph

11 commits

Author SHA1 Message Date
chrislu 31fc165715 mount switch to ordered lock requests 2023-09-21 11:08:26 -07:00
wusong c44a6552d2
Fix buff use (#4628) 2023-07-03 08:33:34 -07:00
zemul 0122e022ea
Mount concurrent read (#4400)
* fix:mount deadlock

* feat: concurrent read

* fix

* Remove useless code

* fix

---------

Co-authored-by: zemul <zhouzemiao@ihuman.com>
2023-04-13 22:32:45 -07:00
Chris Lu d4566d4aaa
more solid weed mount (#4089)
* compare chunks by timestamp

* fix slab clearing error

* fix test compilation

* move oldest chunk to sealed, instead of by fullness

* lock on fh.entryViewCache

* remove verbose logs

* revert slat clearing

* less logs

* less logs

* track write and read by timestamp

* remove useless logic

* add entry lock on file handle release

* use mem chunk only, swap file chunk has problems

* comment out code that maybe used later

* add debug mode to compare data read and write

* more efficient readResolvedChunks with linked list

* small optimization

* fix test compilation

* minor fix on writer

* add SeparateGarbageChunks

* group chunks into sections

* turn off debug mode

* fix tests

* fix tests

* tmp enable swap file chunk

* Revert "tmp enable swap file chunk"

This reverts commit 985137ec47.

* simple refactoring

* simple refactoring

* do not re-use swap file chunk. Sealed chunks should not be re-used.

* comment out debugging facilities

* either mem chunk or swap file chunk is fine now

* remove orderedMutex  as *semaphore.Weighted

not found impactful

* optimize size calculation for changing large files

* optimize performance to avoid going through the long list of chunks

* still problems with swap file chunk

* rename

* tiny optimization

* swap file chunk save only successfully read data

* fix

* enable both mem and swap file chunk

* resolve chunks with range

* rename

* fix chunk interval list

* also change file handle chunk group when adding chunks

* pick in-active chunk with time-decayed counter

* fix compilation

* avoid nil with empty fh.entry

* refactoring

* rename

* rename

* refactor visible intervals to *list.List

* refactor chunkViews to *list.List

* add IntervalList for generic interval list

* change visible interval to use IntervalList in generics

* cahnge chunkViews to *IntervalList[*ChunkView]

* use NewFileChunkSection to create

* rename variables

* refactor

* fix renaming leftover

* renaming

* renaming

* add insert interval

* interval list adds lock

* incrementally add chunks to readers

Fixes:
1. set start and stop offset for the value object
2. clone the value object
3. use pointer instead of copy-by-value when passing to interval.Value
4. use insert interval since adding chunk could be out of order

* fix tests compilation

* fix tests compilation
2023-01-02 23:20:45 -08:00
chrislu 22064c3425 mount: ensure ordered file handle lock and unlock 2022-09-11 19:44:34 -07:00
Patrick Schmidt a73e177ecf
Add an End-to-End workflow for FUSE mount (#3562)
* Add an e2e workflow to test FUSE mount

* Fix deadlocks during concurrent r/w
2022-08-31 09:27:53 -07:00
Patrick Schmidt f875031f06
Reuse readDataByFileHandle in Read call (#3482) 2022-08-22 08:24:06 -07:00
Patrick Schmidt 3a75d7f7aa
Implement copy_file_range syscall in FUSE (#3475)
See the man page of copy_file_range:
https://man7.org/linux/man-pages/man2/copy_file_range.2.html
2022-08-21 17:11:43 -07:00
chrislu 26dbc6c905 move to https://github.com/seaweedfs/seaweedfs 2022-07-29 00:17:28 -07:00
chrislu 2b955c1713 support read 2022-02-13 22:50:44 -08:00
chrislu bb9919b07a add open release, refactor 2022-02-13 19:14:34 -08:00