| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | Rewrite queue (#24505) | wxiaoguang | 2023-05-08 | 1 | -315/+0 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | # ⚠️ Breaking Many deprecated queue config options are removed (actually, they should have been removed in 1.18/1.19). If you see the fatal message when starting Gitea: "Please update your app.ini to remove deprecated config options", please follow the error messages to remove these options from your app.ini. Example: ``` 2023/05/06 19:39:22 [E] Removed queue option: `[indexer].ISSUE_INDEXER_QUEUE_TYPE`. Use new options in `[queue.issue_indexer]` 2023/05/06 19:39:22 [E] Removed queue option: `[indexer].UPDATE_BUFFER_LEN`. Use new options in `[queue.issue_indexer]` 2023/05/06 19:39:22 [F] Please update your app.ini to remove deprecated config options ``` Many options in `[queue]` are are dropped, including: `WRAP_IF_NECESSARY`, `MAX_ATTEMPTS`, `TIMEOUT`, `WORKERS`, `BLOCK_TIMEOUT`, `BOOST_TIMEOUT`, `BOOST_WORKERS`, they can be removed from app.ini. # The problem The old queue package has some legacy problems: * complexity: I doubt few people could tell how it works. * maintainability: Too many channels and mutex/cond are mixed together, too many different structs/interfaces depends each other. * stability: due to the complexity & maintainability, sometimes there are strange bugs and difficult to debug, and some code doesn't have test (indeed some code is difficult to test because a lot of things are mixed together). * general applicability: although it is called "queue", its behavior is not a well-known queue. * scalability: it doesn't seem easy to make it work with a cluster without breaking its behaviors. It came from some very old code to "avoid breaking", however, its technical debt is too heavy now. It's a good time to introduce a better "queue" package. # The new queue package It keeps using old config and concept as much as possible. * It only contains two major kinds of concepts: * The "base queue": channel, levelqueue, redis * They have the same abstraction, the same interface, and they are tested by the same testing code. * The "WokerPoolQueue", it uses the "base queue" to provide "worker pool" function, calls the "handler" to process the data in the base queue. * The new code doesn't do "PushBack" * Think about a queue with many workers, the "PushBack" can't guarantee the order for re-queued unhandled items, so in new code it just does "normal push" * The new code doesn't do "pause/resume" * The "pause/resume" was designed to handle some handler's failure: eg: document indexer (elasticsearch) is down * If a queue is paused for long time, either the producers blocks or the new items are dropped. * The new code doesn't do such "pause/resume" trick, it's not a common queue's behavior and it doesn't help much. * If there are unhandled items, the "push" function just blocks for a few seconds and then re-queue them and retry. * The new code doesn't do "worker booster" * Gitea's queue's handlers are light functions, the cost is only the go-routine, so it doesn't make sense to "boost" them. * The new code only use "max worker number" to limit the concurrent workers. * The new "Push" never blocks forever * Instead of creating more and more blocking goroutines, return an error is more friendly to the server and to the end user. There are more details in code comments: eg: the "Flush" problem, the strange "code.index" hanging problem, the "immediate" queue problem. Almost ready for review. TODO: * [x] add some necessary comments during review * [x] add some more tests if necessary * [x] update documents and config options * [x] test max worker / active worker * [x] re-run the CI tasks to see whether any test is flaky * [x] improve the `handleOldLengthConfiguration` to provide more friendly messages * [x] fine tune default config values (eg: length?) ## Code coverage:  | ||||
| * | Implement FSFE REUSE for golang files (#21840) | flynnnnnnnnnn | 2022-11-27 | 1 | -2/+1 |
| | | | | | | | | | | Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com> | ||||
| * | Replace all instances of fmt.Errorf(%v) with fmt.Errorf(%w) (#21551) | delvh | 2022-10-24 | 1 | -2/+2 |
| | | | | | | | | | | Found using `find . -type f -name '*.go' -print -exec vim {} -c ':%s/fmt\.Errorf(\(.*\)%v\(.*\)err/fmt.Errorf(\1%w\2err/g' -c ':wq' \;` Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: Andrew Thornton <art27@cantab.net> Co-authored-by: wxiaoguang <wxiaoguang@gmail.com> | ||||
| * | Make WrappedQueues and PersistableChannelUniqueQueues Pausable (#18393) | zeripath | 2022-01-24 | 1 | -3/+43 |
| | | | | | | | | Implements the Pausable interface on WrappedQueues and PersistableChannelUniqueQueues Reference #15928 Signed-off-by: Andrew Thornton art27@cantab.net | ||||
| * | format with gofumpt (#18184) | 6543 | 2022-01-20 | 1 | -1/+1 |
| | | | | | | | | | | | | * gofumpt -w -l . * gofumpt -w -l -extra . * Add linter * manual fix * change make fmt | ||||
| * | Multiple Queue improvements: LevelDB Wait on empty, shutdown empty shadow ↵ | zeripath | 2021-05-15 | 1 | -5/+3 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | level queue, reduce goroutines etc (#15693) * move shutdownfns, terminatefns and hammerfns out of separate goroutines Coalesce the shutdownfns etc into a list of functions that get run at shutdown rather then have them run at goroutines blocked on selects. This may help reduce the background select/poll load in certain configurations. * The LevelDB queues can actually wait on empty instead of polling Slight refactor to cause leveldb queues to wait on empty instead of polling. * Shutdown the shadow level queue once it is empty * Remove bytefifo additional goroutine for readToChan as it can just be run in run * Remove additional removeWorkers goroutine for workers * Simplify the AtShutdown and AtTerminate functions and add Channel Flusher * Add shutdown flusher to CUQ * move persistable channel shutdown stuff to Shutdown Fn * Ensure that UPCQ has the correct config * handle shutdown during the flushing * reduce risk of race between zeroBoost and addWorkers * prevent double shutdown Signed-off-by: Andrew Thornton <art27@cantab.net> | ||||
| * | Prevent timer leaks in Workerpool and others (#11333) | zeripath | 2020-05-08 | 1 | -1/+2 |
| | | | | | | | | | | | | | | | | | There is a potential memory leak in `Workerpool` due to the intricacies of `time.Timer` stopping. Whenever a `time.Timer` is `Stop`ped its channel must be cleared using a `select` if the result of the `Stop()` is `false`. Unfortunately in `Workerpool` these were checked the wrong way round. However, there were a few other places that were not being checked. Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> | ||||
| * | Improve config logging when WrappedQueue times out (#11174) | Lunny Xiao | 2020-04-22 | 1 | -1/+5 |
| | | | | | | | | | | | | | Before ```sh Unable to set the internal queue for -wrapper Error: Timedout creating queue redis with cfg []byte{0x7b, 0x22, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x65, 0x73, 0x22, 0x3a, 0x22, 0x31, 0x32, 0x37, 0x2e, 0x30, 0x2e, 0x30, 0x2e, 0x31, 0x3a, 0x36, 0x33, 0x37, 0x39, 0x22, 0x2c, 0x22, 0x42, 0x61, 0x74, 0x63, 0x68, 0x4c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x22, 0x3a, 0x32, 0x30, 0x2c, 0x22, 0x42, 0x6c, 0x6f, 0x63, 0x6b, 0x54, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x22, 0x3a, 0x31, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x2c, 0x22, 0x42, 0x6f, 0x6f, 0x73, 0x74, 0x54, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x22, 0x3a, 0x33, 0x30, 0x30, 0x30, 0x30, 0x30 ...... ``` After ```sh Unable to set the internal queue for -wrapper Error: Timedout creating queue redis with cfg "{\"Addresses\":\"127.0.0.1:6379\",\"BatchLength\":20,\"BlockTimeout\":1000000000,\"BoostTimeout\":300000000000,\"BoostWorkers\":5,\"DBIndex\":0,\"DataDir\":\".../data/queues/mail\",\"MaxWorkers\":10,\"Name\":\"mail\",\"Network\":\"\",\"Password\":\"\",\"QueueLength\":20,\"QueueName\":\"mail_queue\",\"SetName\":\"\",\"Workers\":1}" in ``` | ||||
| * | Avoid logging []byte in queue failures - convert to string first (#10865) | zeripath | 2020-03-29 | 1 | -1/+8 |
| | | | | | | Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> | ||||
| * | Fix queue log param (#10733) | Lunny Xiao | 2020-03-16 | 1 | -3/+3 |
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| * | Queue: Make WorkerPools and Queues flushable (#10001) | zeripath | 2020-01-28 | 1 | -18/+79 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Make WorkerPools and Queues flushable Adds Flush methods to Queues and the WorkerPool Further abstracts the WorkerPool Adds a final step to Flush the queues in the defer from PrintCurrentTest Fixes an issue with Settings inheritance in queues Signed-off-by: Andrew Thornton <art27@cantab.net> * Change to for loop * Add IsEmpty and begin just making the queues composed WorkerPools * subsume workerpool into the queues and create a flushable interface * Add manager command * Move flushall to queue.Manager and add to testlogger * As per @guillep2k * as per @guillep2k * Just make queues all implement flushable and clean up the wrapped queue flushes * cope with no timeout Co-authored-by: Lauris BH <lauris@nix.lv> | ||||
| * | Remove unused lock (#9709) | zeripath | 2020-01-11 | 1 | -1/+1 |
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| * | Missed q.lock.Unlock() will cause panic (#9705) | zeripath | 2020-01-11 | 1 | -1/+0 |
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| * | Graceful Queues: Issue Indexing and Tasks (#9363) | zeripath | 2020-01-07 | 1 | -0/+206 |
| * Queue: Add generic graceful queues with settings * Queue & Setting: Add worker pool implementation * Queue: Add worker settings * Queue: Make resizing worker pools * Queue: Add name variable to queues * Queue: Add monitoring * Queue: Improve logging * Issues: Gracefulise the issues indexer Remove the old now unused specific queues * Task: Move to generic queue and gracefulise * Issues: Standardise the issues indexer queue settings * Fix test * Queue: Allow Redis to connect to unix * Prevent deadlock during early shutdown of issue indexer * Add MaxWorker settings to queues * Merge branch 'master' into graceful-queues * Update modules/indexer/issues/indexer.go Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com> * Update modules/indexer/issues/indexer.go Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com> * Update modules/queue/queue_channel.go Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com> * Update modules/queue/queue_disk.go * Update modules/queue/queue_disk_channel.go Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com> * Rename queue.Description to queue.ManagedQueue as per @guillep2k * Cancel pool workers when removed * Remove dependency on queue from setting * Update modules/queue/queue_redis.go Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com> * As per @guillep2k add mutex locks on shutdown/terminate * move unlocking out of setInternal * Add warning if number of workers < 0 * Small changes as per @guillep2k * No redis host specified not found * Clean up documentation for queues * Update docs/content/doc/advanced/config-cheat-sheet.en-us.md * Update modules/indexer/issues/indexer_test.go * Ensure that persistable channel queue is added to manager * Rename QUEUE_NAME REDIS_QUEUE_NAME * Revert "Rename QUEUE_NAME REDIS_QUEUE_NAME" This reverts commit 1f83b4fc9b9dabda186257b38c265fe7012f90df. Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> Co-authored-by: Lauris BH <lauris@nix.lv> Co-authored-by: techknowlogick <matti@mdranta.net> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> | |||||
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