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authorWladimir J. van der Laan <laanwj@gmail.com>2016-06-27 15:39:28 +0200
committerWladimir J. van der Laan <laanwj@gmail.com>2016-07-06 07:44:51 +0200
commit32cab91278651d07a11132b7636dc3d21144e616 (patch)
tree4accba322e45e4cea27af76f8eb92655abd822a3 /src/txdb.h
parent1922e5a6545835ac57e8a56aa4c4a251c07fe9e9 (diff)
Bump `-dbcache` default to 300MiB
Also cap the allocation for the leveldb-specific cache for the UTXO set to 8MiB. This avoids that the extra cache memory goes to the much less effective leveldb cache instead of our application-level cache.
Diffstat (limited to 'src/txdb.h')
-rw-r--r--src/txdb.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/txdb.h b/src/txdb.h
index ce3c39d7fe..5b98d2792c 100644
--- a/src/txdb.h
+++ b/src/txdb.h
@@ -22,11 +22,19 @@ class CCoinsViewDBCursor;
class uint256;
//! -dbcache default (MiB)
-static const int64_t nDefaultDbCache = 100;
-//! max. -dbcache in (MiB)
+static const int64_t nDefaultDbCache = 300;
+//! max. -dbcache (MiB)
static const int64_t nMaxDbCache = sizeof(void*) > 4 ? 16384 : 1024;
-//! min. -dbcache in (MiB)
+//! min. -dbcache (MiB)
static const int64_t nMinDbCache = 4;
+//! Max memory allocated to block tree DB specific cache, if no -txindex (MiB)
+static const int64_t nMaxBlockDBCache = 2;
+//! Max memory allocated to block tree DB specific cache, if -txindex (MiB)
+// Unlike for the UTXO database, for the txindex scenario the leveldb cache make
+// a meaningful difference: https://github.com/bitcoin/bitcoin/pull/8273#issuecomment-229601991
+static const int64_t nMaxBlockDBAndTxIndexCache = 1024;
+//! Max memory allocated to coin DB specific cache (MiB)
+static const int64_t nMaxCoinsDBCache = 8;
struct CDiskTxPos : public CDiskBlockPos
{