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-rw-r--r--src/validation.cpp11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/validation.cpp b/src/validation.cpp
index ca1e5a713c..f5f6851128 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1917,6 +1917,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
* or always and in all cases if we're in prune mode and are deleting files.
*/
bool static FlushStateToDisk(CValidationState &state, FlushStateMode mode) {
+ int64_t nMempoolUsage = mempool.DynamicMemoryUsage();
const CChainParams& chainparams = Params();
LOCK2(cs_main, cs_LastBlockFile);
static int64_t nLastWrite = 0;
@@ -1947,11 +1948,13 @@ bool static FlushStateToDisk(CValidationState &state, FlushStateMode mode) {
if (nLastSetChain == 0) {
nLastSetChain = nNow;
}
- size_t cacheSize = pcoinsTip->DynamicMemoryUsage();
- // The cache is large and close to the limit, but we have time now (not in the middle of a block processing).
- bool fCacheLarge = mode == FLUSH_STATE_PERIODIC && cacheSize * (10.0/9) > nCoinCacheUsage;
+ int64_t nMempoolSizeMax = GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000;
+ int64_t cacheSize = pcoinsTip->DynamicMemoryUsage();
+ int64_t nTotalSpace = nCoinCacheUsage + std::max<int64_t>(nMempoolSizeMax - nMempoolUsage, 0);
+ // The cache is large and we're within 10% and 100 MiB of the limit, but we have time now (not in the middle of a block processing).
+ bool fCacheLarge = mode == FLUSH_STATE_PERIODIC && cacheSize > std::max((9 * nTotalSpace) / 10, nTotalSpace - 100 * 1024 * 1024);
// The cache is over the limit, we have to write now.
- bool fCacheCritical = mode == FLUSH_STATE_IF_NEEDED && cacheSize > nCoinCacheUsage;
+ bool fCacheCritical = mode == FLUSH_STATE_IF_NEEDED && cacheSize > nTotalSpace;
// 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 == FLUSH_STATE_PERIODIC && nNow > nLastWrite + (int64_t)DATABASE_WRITE_INTERVAL * 1000000;
// It's been very long since we flushed the cache. Do this infrequently, to optimize cache usage.