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Fix zero segment upload #7318

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merged 1 commit into from
Apr 5, 2024
Merged

Fix zero segment upload #7318

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11 changes: 11 additions & 0 deletions safekeeper/src/wal_backup_partial.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -337,6 +337,17 @@ pub async fn main_task(tli: Arc<Timeline>, conf: SafeKeeperConf) {
}
}

// if we don't have any data and zero LSNs, wait for something
while flush_lsn_rx.borrow().lsn == Lsn(0) {
tokio::select! {
_ = cancellation_rx.changed() => {
info!("timeline canceled");
return;
}
_ = flush_lsn_rx.changed() => {}
}
}

// fixing the segno and waiting some time to prevent reuploading the same segment too often
let pending_segno = backup.segno(flush_lsn_rx.borrow().lsn);
let timeout = tokio::time::sleep(await_duration);
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