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Backup worker pops max of savedVersion or NOOP's popVersion

This commit is contained in:
Jingyu Zhou 2020-04-20 11:05:50 -07:00
parent 0823091423
commit 5f43e18906
1 changed files with 3 additions and 2 deletions
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5
fdbserver/BackupWorker.actor.cpp
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@ -68,7 +68,8 @@ struct BackupData {
const UID myId;
const Tag tag; // LogRouter tag for this worker, i.e., (-2, i)
const int totalTags; // Total log router tags
const Version startVersion;
// Backup request's commit version. Mutations are logged at some version after this.
const Version startVersion; // This worker's start version
const Optional<Version> endVersion; // old epoch's end version (inclusive), or empty for current epoch
const LogEpoch recruitedEpoch; // current epoch whose tLogs are receiving mutations
const LogEpoch backupEpoch; // the epoch workers should pull mutations
@ -292,7 +293,7 @@ struct BackupData {
}
ASSERT_WE_THINK(backupEpoch == oldestBackupEpoch);
const Tag popTag = logSystem.get()->getPseudoPopTag(tag, ProcessClass::BackupClass);
logSystem.get()->pop(popVersion, popTag);
logSystem.get()->pop(std::max(popVersion, savedVersion), popTag);
}
void stop() {