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autoclean: rest between cleanup calls.

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This means we don't consume *all* the CPU.

Changelog-Fixed: Plugins: `autoclean` is now gentler on the node when doing giant cleans.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2024-11-12 13:10:21 +10:30 committed by Vincenzo Palazzo
parent 49380239e9
commit ccd9b21d04
1 changed files with 19 additions and 2 deletions
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21
plugins/autoclean.c
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@ -185,6 +185,9 @@ struct clean_info {
struct command *cmd;
size_t cleanup_reqs_remaining;
/* When did we start making requests? */
struct timemono reqs_start;
struct per_subsystem per_subsystem[NUM_SUBSYSTEM_TYPES];
};
@ -294,14 +297,26 @@ static struct command_result *clean_finished(struct clean_info *cinfo)
}
}
static struct command_result *do_clean_after_sleep(struct command *timer_cmd,
struct clean_info *cinfo)
{
do_clean(cinfo);
return timer_complete(timer_cmd);
}
static struct command_result *clean_finished_one(struct clean_info *cinfo)
{
assert(cinfo->cleanup_reqs_remaining != 0);
if (--cinfo->cleanup_reqs_remaining > 0)
return command_still_pending(cinfo->cmd);
/* See if there are more entries we need to list. */
return do_clean(cinfo);
/* See if there are more entries we need to list, but don't
* use more than half the node's RPC capacity: sleep as long
* as the last cleans took. */
notleak(command_timer(cinfo->cmd,
timemono_between(time_mono(), cinfo->reqs_start),
do_clean_after_sleep, cinfo));
return command_still_pending(cinfo->cmd);
}
static struct command_result *del_done(struct command *cmd,
@ -537,6 +552,8 @@ static struct command_result *list_failed(struct command *cmd,
static struct command_result *do_clean(struct clean_info *cinfo)
{
cinfo->cleanup_reqs_remaining = 0;
cinfo->reqs_start = time_mono();
for (size_t i = 0; i < NUM_SUBSYSTEM_TYPES; i++) {
struct per_subsystem *ps = &cinfo->per_subsystem[i];
struct out_req *req;