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f663d34306
When auto-compacting, the reftable library packs references such that the sizes of the tables form a geometric sequence. The factor for this geometric sequence is hardcoded to 2 right now. We're about to expose this as a config option though, so let's expose the factor via write options. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
42 lines
795 B
C
42 lines
795 B
C
/*
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Copyright 2020 Google LLC
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file or at
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https://developers.google.com/open-source/licenses/bsd
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*/
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#ifndef STACK_H
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#define STACK_H
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#include "system.h"
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#include "reftable-writer.h"
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#include "reftable-stack.h"
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struct reftable_stack {
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struct stat list_st;
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char *list_file;
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int list_fd;
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char *reftable_dir;
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struct reftable_write_options opts;
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struct reftable_reader **readers;
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size_t readers_len;
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struct reftable_merged_table *merged;
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struct reftable_compaction_stats stats;
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};
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int read_lines(const char *filename, char ***lines);
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struct segment {
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size_t start, end;
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uint64_t bytes;
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};
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struct segment suggest_compaction_segment(uint64_t *sizes, size_t n,
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uint8_t factor);
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#endif
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