diff options
| author | Wladimir J. van der Laan <laanwj@gmail.com> | 2016-06-27 15:39:28 +0200 |
|---|---|---|
| committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2016-07-06 07:44:51 +0200 |
| commit | 32cab91278651d07a11132b7636dc3d21144e616 (patch) | |
| tree | 4accba322e45e4cea27af76f8eb92655abd822a3 /src/txdb.h | |
| parent | 1922e5a6545835ac57e8a56aa4c4a251c07fe9e9 (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.h | 14 |
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 { |