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Option to guard hpa_min_purge_interval_ms fix

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Change in `hpa_min_purge_interval_ms` handling logic is not backward
compatible as it might increase memory usage. Now this logic guarded by
`hpa_strict_min_purge_interval` option.

When `hpa_strict_min_purge_interval` is true, we will purge no more than
`hpa_min_purge_interval_ms`. When `hpa_strict_min_purge_interval` is
false, old purging logic behaviour is preserved.

Long term strategy migrate all users of hpa to new logic and then delete
`hpa_strict_min_purge_interval` option.
This commit is contained in:
Dmitry Ilvokhin 2024-06-07 05:32:24 -07:00 • committed by Qi Wang
parent 91a6d230db
commit 867c6dd7dc
6 changed files with 27 additions and 6 deletions
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src/stats.c
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@ -1564,6 +1564,7 @@ stats_general_print(emitter_t *emitter) {
OPT_WRITE_SIZE_T("hpa_hugification_threshold")
OPT_WRITE_UINT64("hpa_hugify_delay_ms")
OPT_WRITE_UINT64("hpa_min_purge_interval_ms")
OPT_WRITE_BOOL("hpa_strict_min_purge_interval")
if (je_mallctl("opt.hpa_dirty_mult", (void *)&u32v, &u32sz, NULL, 0)
== 0) {
/*