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fix ratio compute

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Signed-off-by: Alex Chi <iskyzh@gmail.com>
This commit is contained in:
Alex Chi
2023-06-22 15:11:15 -04:00
parent 0865ed623c
commit 0b459eb414
1 changed files with 1 additions and 1 deletions
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2
pageserver/src/tenant/timeline.rs
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@@ -3841,7 +3841,7 @@ impl Timeline {
// Trigger 1: by space amplification, do full compaction
let total_tier_size = tier_sizes.iter().map(|(_, size)| *size).sum::<u64>();
let (_, last_tier_size) = *tier_sizes.last().unwrap();
let estimated_space_amp = last_tier_size as f64 / (total_tier_size - last_tier_size) as f64;
let estimated_space_amp = (total_tier_size - last_tier_size) as f64 / last_tier_size as f64;
if estimated_space_amp > space_amplification_ratio {
info!("full compaction triggered by space amplification");
return Some(