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ethdb/pebble: fix range compaction #26771

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merged 2 commits into from
Feb 28, 2023
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ethdb/pebble: fix range compaction #26771

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ethdb/pebble: fix range compaction
rjl493456442 Feb 27, 2023
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ethdb/pebble: add comment
rjl493456442 Feb 27, 2023
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8 changes: 8 additions & 0 deletions ethdb/pebble/pebble.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
package pebble

import (
"bytes"
"fmt"
"runtime"
"sync"
Expand Down Expand Up @@ -361,6 +362,13 @@ func (d *Database) Stat(property string) (string, error) {
// is treated as a key after all keys in the data store. If both is nil then it
// will compact entire data store.
func (d *Database) Compact(start []byte, limit []byte) error {
// There is no special flag to represent the end of key range
// in pebble(nil in leveldb). Use an ugly hack to construct a
// large key to represent it.
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// https://github.com/cockroachdb/pebble/issues/2359#issuecomment-1443995833
if limit == nil {
limit = bytes.Repeat([]byte{0xff}, 32)
}
return d.db.Compact(start, limit, true) // Parallelization is preferred
}

Expand Down