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| -rw-r--r-- | src/validation.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index 9921063a52..811530d40e 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -3729,6 +3729,15 @@ static void FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfte int count=0; if (nCurrentUsage + nBuffer >= nPruneTarget) { + // On a prune event, the chainstate DB is flushed. + // To avoid excessive prune events negating the benefit of high dbcache + // values, we should not prune too rapidly. + // So when pruning in IBD, increase the buffer a bit to avoid a re-prune too soon. + if (IsInitialBlockDownload()) { + // Since this is only relevant during IBD, we use a fixed 10% + nBuffer += nPruneTarget / 10; + } + for (int fileNumber = 0; fileNumber < nLastBlockFile; fileNumber++) { nBytesToPrune = vinfoBlockFile[fileNumber].nSize + vinfoBlockFile[fileNumber].nUndoSize; |