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Make static nLastFlush and nLastWrite Chainstate members

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This commit is contained in:
Aurèle Oulès
2022-11-16 16:51:53 +01:00
parent 48174c0f28
commit 07dfbb5bb8
2 changed files with 11 additions and 10 deletions
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18
src/validation.cpp
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@@ -2360,8 +2360,6 @@ bool Chainstate::FlushStateToDisk(
{
LOCK(cs_main);
assert(this->CanFlushToDisk());
static std::chrono::microseconds nLastWrite{0};
static std::chrono::microseconds nLastFlush{0};
std::set<int> setFilesToPrune;
bool full_flush_completed = false;
@@ -2415,20 +2413,20 @@ bool Chainstate::FlushStateToDisk(
}
const auto nNow = GetTime<std::chrono::microseconds>();
// Avoid writing/flushing immediately after startup.
if (nLastWrite.count() == 0) {
nLastWrite = nNow;
if (m_last_write.count() == 0) {
m_last_write = nNow;
}
if (nLastFlush.count() == 0) {
nLastFlush = nNow;
if (m_last_flush.count() == 0) {
m_last_flush = nNow;
}
// The cache is large and we're within 10% and 10 MiB of the limit, but we have time now (not in the middle of a block processing).
bool fCacheLarge = mode == FlushStateMode::PERIODIC && cache_state >= CoinsCacheSizeState::LARGE;
// The cache is over the limit, we have to write now.
bool fCacheCritical = mode == FlushStateMode::IF_NEEDED && cache_state >= CoinsCacheSizeState::CRITICAL;
// It's been a while since we wrote the block index to disk. Do this frequently, so we don't need to redownload after a crash.
bool fPeriodicWrite = mode == FlushStateMode::PERIODIC && nNow > nLastWrite + DATABASE_WRITE_INTERVAL;
bool fPeriodicWrite = mode == FlushStateMode::PERIODIC && nNow > m_last_write + DATABASE_WRITE_INTERVAL;
// It's been very long since we flushed the cache. Do this infrequently, to optimize cache usage.
bool fPeriodicFlush = mode == FlushStateMode::PERIODIC && nNow > nLastFlush + DATABASE_FLUSH_INTERVAL;
bool fPeriodicFlush = mode == FlushStateMode::PERIODIC && nNow > m_last_flush + DATABASE_FLUSH_INTERVAL;
// Combine all conditions that result in a full cache flush.
fDoFullFlush = (mode == FlushStateMode::ALWAYS) || fCacheLarge || fCacheCritical || fPeriodicFlush || fFlushForPrune;
// Write blocks and block index to disk.
@@ -2458,7 +2456,7 @@ bool Chainstate::FlushStateToDisk(
UnlinkPrunedFiles(setFilesToPrune);
}
nLastWrite = nNow;
m_last_write = nNow;
}
// Flush best chain related state. This can only be done if the blocks / block index write was also done.
if (fDoFullFlush && !CoinsTip().GetBestBlock().IsNull()) {
@@ -2476,7 +2474,7 @@ bool Chainstate::FlushStateToDisk(
// Flush the chainstate (which may refer to block index entries).
if (!CoinsTip().Flush())
return AbortNode(state, "Failed to write to coin database");
nLastFlush = nNow;
m_last_flush = nNow;
full_flush_completed = true;
TRACE5(utxocache, flush,
(int64_t)(GetTimeMicros() - nNow.count()), // in microseconds (µs)

3
src/validation.h
View File

@@ -743,6 +743,9 @@ private:
void UpdateTip(const CBlockIndex* pindexNew)
EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
std::chrono::microseconds m_last_write{0};
std::chrono::microseconds m_last_flush{0};
friend ChainstateManager;
};