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License: Apache License 2.0
ReactiveJournal a journalling facility for Reactive Streams. Intended for testing, remote connections and effective handling of back pressure
License: Apache License 2.0
Continuing the discussion from twitter:
I assume the journal acts as an unbounded buffer that stores items on disk, thus when replaying it can read elements from this disk buffer on demand, supporting backpressure naturally.
The problem I see with the current setup is that unless one consumes the journal directly with a Consumer
, it can run into backpressure problems again caused by the replay itself. For example, applying observeOn
would trigger a replay to flood the internal buffer of Observable.observeOn
thus the backpressure problem is back.
This currently deletes the whole content of the RxJournal folder, and the folder itself.
IMHO it is too easy to create an RxJournal
pointing to an existing folder and then obliterate it with that method. To make this scenario less likely, several steps can be taken:
clearCache
method to indicate it destroys the directoryclearCache
to deleting files inside the directory (and not subdirectories nor the directory itself)*.cq4
files, aka only delete binary files from ChronicleQueue
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