diff options
Diffstat (limited to 'reftable/stack.c')
| -rw-r--r-- | reftable/stack.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/reftable/stack.c b/reftable/stack.c index d2e68be7e8..0ebe69e81d 100644 --- a/reftable/stack.c +++ b/reftable/stack.c @@ -10,6 +10,7 @@ https://developers.google.com/open-source/licenses/bsd #include "../write-or-die.h" #include "system.h" +#include "constants.h" #include "merged.h" #include "reader.h" #include "reftable-error.h" @@ -1212,12 +1213,16 @@ static int segment_size(struct segment *s) return s->end - s->start; } -struct segment suggest_compaction_segment(uint64_t *sizes, size_t n) +struct segment suggest_compaction_segment(uint64_t *sizes, size_t n, + uint8_t factor) { struct segment seg = { 0 }; uint64_t bytes; size_t i; + if (!factor) + factor = DEFAULT_GEOMETRIC_FACTOR; + /* * If there are no tables or only a single one then we don't have to * compact anything. The sequence is geometric by definition already. @@ -1249,7 +1254,7 @@ struct segment suggest_compaction_segment(uint64_t *sizes, size_t n) * 64, 32, 16, 8, 4, 3, 1 */ for (i = n - 1; i > 0; i--) { - if (sizes[i - 1] < sizes[i] * 2) { + if (sizes[i - 1] < sizes[i] * factor) { seg.end = i + 1; bytes = sizes[i]; break; @@ -1275,7 +1280,7 @@ struct segment suggest_compaction_segment(uint64_t *sizes, size_t n) uint64_t curr = bytes; bytes += sizes[i - 1]; - if (sizes[i - 1] < curr * 2) { + if (sizes[i - 1] < curr * factor) { seg.start = i - 1; seg.bytes = bytes; } @@ -1301,7 +1306,8 @@ int reftable_stack_auto_compact(struct reftable_stack *st) { uint64_t *sizes = stack_table_sizes_for_compaction(st); struct segment seg = - suggest_compaction_segment(sizes, st->merged->stack_len); + suggest_compaction_segment(sizes, st->merged->stack_len, + st->opts.auto_compaction_factor); reftable_free(sizes); if (segment_size(&seg) > 0) return stack_compact_range_stats(st, seg.start, seg.end - 1, |