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loeg 3 days ago

You initiate a write to the journal, but do not sync it before ACKing to the client.

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zzsheng 3 days ago | parent [-]

journal file was pre-alloacated and we use direct-io for journal write so no need to call fsync.

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loeg 3 days ago | parent | next [-]

Again, it is not durably persisted before acking to the client. Like I said earlier, that might be fine for your durability model, but it is unusual.

	▲	thomas_fa 3 days ago \| parent [-]
		We would wait for Bss data and journal DirectIO and the acking (sending response back to api_server) in the callback function. What you are implying is what s3 actually doing and you can get see from their paper[1] and we are stronger than that. [1]https://www.amazon.science/publications/using-lightweight-fo....

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3 days ago | parent | prev [-]

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