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Reliable batch release in the queue #120

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sibiryakov opened this issue Mar 17, 2016 · 0 comments
Open

Reliable batch release in the queue #120

sibiryakov opened this issue Mar 17, 2016 · 0 comments
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needs design reliability

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@sibiryakov
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Current implementation removes the batch right after requesting it from the storage. If spider process will not receive it (or unexpectedly finish during crawling) items in the batch will be lost. To prevent this, a mechanism marking batch as "locked" with following release needs to be designed.
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