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Periodic garbage collection can take a long time on large folders. The worst step is the one for blocks, which are typically orders of magnitude more numerous than files or block lists. This improves the situation in by running blocks GC in a number of smaller range chunks, in random order, and stopping after a time limit. At most ten minutes per run will be spent garbage collecting blocklists and blocks. With this, we're not guaranteed to complete a full GC on every run, but we'll make some progress and get there eventually. Signed-off-by: Jakob Borg <jakob@kastelo.net>
38 lines
837 B
Go
38 lines
837 B
Go
// Copyright (C) 2025 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package sqlite
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import (
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"bytes"
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"fmt"
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"strings"
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"testing"
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)
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func TestBlobRange(t *testing.T) {
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exp := `
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hash < x'249249'
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hash >= x'249249' AND hash < x'492492'
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hash >= x'492492' AND hash < x'6db6db'
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hash >= x'6db6db' AND hash < x'924924'
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hash >= x'924924' AND hash < x'b6db6d'
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hash >= x'b6db6d' AND hash < x'db6db6'
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hash >= x'db6db6'
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`
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ranges := blobRanges(7)
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buf := new(bytes.Buffer)
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for _, r := range ranges {
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fmt.Fprintln(buf, r.SQL("hash"))
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}
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if strings.TrimSpace(buf.String()) != strings.TrimSpace(exp) {
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t.Log(buf.String())
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t.Error("unexpected output")
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}
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}
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