Use pipelines to to make more transactional actions #750
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evantahler
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Jan 24, 2022
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| const pipeline = this.connection.redis | ||
| .multi() | ||
| .incr(this.connection.key("stat", "failed")) | ||
| .del(this.connection.key("stat", "failed", workerName)) | ||
| .del(this.connection.key("stat", "processed", workerName)) | ||
| .del(this.connection.key("worker", "ping", workerName)) | ||
| .del(this.connection.key("worker", workerName, queues, "started")) | ||
| .del(this.connection.key("worker", workerName)) | ||
| .srem(this.connection.key("workers"), workerName + ":" + queues); |
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This is the main enhancement - This method will now either remove all or none of the worker's data. no more partial deletes.
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Specifically, when removing a stuck worker (
queue.forceCleanWorker()) it was possible to only do part of the cleanup if the redis server or the node process had a problem in the middle of the method.