| eflyjason updated the task description. (Show Details) |
CHANGES TO TASK DESCRIPTION
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1. Make sure the target file is //always// a complete file; only commit if and only if the file is completely downloaded (and verified with checksum), or discard if anything goes wrong....
One implementation is to perform the download on a temporary file. In the wild '<filename>.part' is often used. Move the temporary file over to the target file if and only if the download is complete and verified, or delete the temporary file if it fails. In *nix implementation, the currently running processors will not be disrupted as the file descriptors of their opened dump file will continue to point to the old moved-over now-nonexistent file, and will happily read it without ever knowing a new version has arrived, till the dump file is reopened for another run....
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To: eflyjason
Cc: Framawiki, Aklapper, Xqt, jayvdb, siebrand, Zoranzoki21, eflyjason, pywikibot-bugs-list, zhuyifei1999, Bright1055, Toppole69, Mine0901, Jayprakash12345, Magul, Tbscho, MayS, Beeyan, Mdupont, JJMC89, MtDu, D3r1ck01, Avicennasis, Dalba, Masti, Alchimista, Rxy
Cc: Framawiki, Aklapper, Xqt, jayvdb, siebrand, Zoranzoki21, eflyjason, pywikibot-bugs-list, zhuyifei1999, Bright1055, Toppole69, Mine0901, Jayprakash12345, Magul, Tbscho, MayS, Beeyan, Mdupont, JJMC89, MtDu, D3r1ck01, Avicennasis, Dalba, Masti, Alchimista, Rxy
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