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ircd:Ⓜ️:homeserver: Tweak bootstrap vector options; smaller batch size.

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This commit is contained in:
Jason Volk 2021-02-15 08:57:21 -08:00
parent 6c1e9786b5
commit 028fb60d1f
1 changed files with 9 additions and 8 deletions
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17
matrix/homeserver_bootstrap.cc
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@ -236,11 +236,15 @@ try
// Primary interest is to perform the INDEX and WRITE phase which create
// a database transaction and commit it respectively.
vmopts.mprefetch_refs = true;
vmopts.phase.set(vm::phase::PREINDEX, true);
vmopts.phase.set(vm::phase::INDEX, true);
vmopts.phase.set(vm::phase::WRITE, true);
// Perform prefetches over the whole batch;
vmopts.mprefetch_refs = true;
//XXX Consider enable for large batch size.
//vmopts.phase.set(vm::phase::PREINDEX, true);
// Optimize the bootstrap by not updating room heads at every step.
vmopts.wopts.appendix.set(dbs::appendix::ROOM_HEAD, false);
vmopts.wopts.appendix.set(dbs::appendix::ROOM_HEAD_RESOLVE, false);
@ -274,7 +278,7 @@ try
// Outputs to infolog for each event; may be noisy;
vmopts.infolog_accept = false;
static const size_t batch_max {2048};
static const size_t batch_max {64};
std::vector<m::event> vec(batch_max);
size_t count {0}, ebytes[2] {0, 1}, accept {0};
vm::eval eval
@ -323,10 +327,8 @@ try
// advise dontneed
ebytes[0] += evict(map, incore, opts);
if(validate_json_only)
if(count % (batch_max * 64) != 0)
continue;
if(count % (batch_max * 64) != 0)
continue;
const auto db_bytes
{
@ -351,7 +353,6 @@ try
pretty(pbuf[3], iec(db_bytes / std::max(elapsed, 1L)), 1),
};
ctx::yield();
ctx::yield();
ctx::interruption_point();
}