[PBCKP-150] Reading buffer is flushed each time we verify the checksum. #487
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The race condition is covered with a unit-test, the buffer is flushed now so each of 300 reads requests the data from the disc.
funny-falcon
requested changes
May 5, 2022
src/data.c
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| @@ -301,6 +301,8 @@ prepare_page(pgFile *file, XLogRecPtr prev_backup_start_lsn, | |||
| { | |||
| /* read the block */ | |||
| int read_len = fio_pread(in, page, blknum * BLCKSZ); | |||
| /* avoid re-reading once buffered data, see PBCKP-150 */ | |||
| fflush(in); | |||
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Why here? It should be at the end of loop body, before next iteration.
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And I didn't get: in could be remote or not?
daniel-95
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funny-falcon
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May 11, 2022
…use in lengthy tests add description for new PG_PROBACKUP_LONG variable adding one test run of this test to travis
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The race condition is covered with a unit-test, the buffer is flushed
now so each of 300 reads requests the data from the disc.