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Start to flush only when there are <sync_threshold> journal entries to flush

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This commit is contained in:
Vitaliy Filippov
2019-12-03 00:20:13 +03:00
parent aa3b252327
commit 2963ad98ec
1 changed files with 4 additions and 3 deletions
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blockstore_flush.cpp
+4 -3
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@@ -53,14 +53,14 @@ journal_flusher_t::~journal_flusher_t()
bool journal_flusher_t::is_active() bool journal_flusher_t::is_active()
{ {
return active_flushers > 0 || flush_queue.size() > 0; return active_flushers > 0 || flush_queue.size() >= sync_threshold;
} }
void journal_flusher_t::loop() void journal_flusher_t::loop()
{ {
for (int i = 0; i < flusher_count; i++) for (int i = 0; i < flusher_count; i++)
{ {
if (!active_flushers && !flush_queue.size()) if (!active_flushers && flush_queue.size() < sync_threshold)
{ {
return; return;
} }
@@ -147,7 +147,8 @@ bool journal_flusher_co::loop()
else if (wait_state == 18) else if (wait_state == 18)
goto resume_18; goto resume_18;
resume_0: resume_0:
if (!flusher->flush_queue.size()) if (!flusher->flush_queue.size() ||
!flusher->active_flushers && flusher->flush_queue.size() < flusher->sync_threshold)
{ {
wait_state = 0; wait_state = 0;
return true; return true;