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Log WAL frame checksum mismatch

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Currently, the WAL copy function can encounter a checksum mismatch in a
WAL frame and it will return an error. This can occur for partial writes
and is recovered from moments later. This commit changes the error to a
log write instead.
This commit is contained in:
Ben Johnson
2021-01-31 08:52:12 -07:00
parent 2c142d3a0c
commit f17768e830
1 changed files with 2 additions and 1 deletions
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3
db.go
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@@ -1052,7 +1052,8 @@ func (db *DB) copyToShadowWAL(filename string) (newSize int64, err error) {
chksum0, chksum1 = Checksum(bo, chksum0, chksum1, buf[:8]) // frame header
chksum0, chksum1 = Checksum(bo, chksum0, chksum1, buf[24:]) // frame data
if chksum0 != fchksum0 || chksum1 != fchksum1 {
return 0, fmt.Errorf("checksum mismatch: offset=%d (%x,%x) != (%x,%x)", tmpSz, chksum0, chksum1, fchksum0, fchksum1)
log.Printf("copy shadow: checksum mismatch, skipping: offset=%d (%x,%x) != (%x,%x)", tmpSz, chksum0, chksum1, fchksum0, fchksum1)
break
}
// Add page to the new size of the shadow WAL.