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authorJames O'Beirne <james.obeirne@gmail.com>2019-09-16 15:01:12 -0400
committerJames O'Beirne <james.obeirne@pm.me>2020-07-01 14:44:28 -0400
commitf36aaa6392fdbdac6891d92202d3efeff98754f4 (patch)
tree4cebab3fa566f6f9dc53228b92264f1cda6095b1 /src/validation.h
parentb223111da2e0e9ceccef75df8a20252b0094b7bc (diff)
Add CChainState::ResizeCoinsCaches
Also adds CCoinsViewCache::ReallocateCache() to attempt to free memory that the cacheCoins's allocator may be hanging onto when downsizing the cache. Adds `CChainState::m_coins{tip,db}_cache_size_bytes` data members so that we can reference cache size on a per-chainstate basis for flushing.
Diffstat (limited to 'src/validation.h')
-rw-r--r--src/validation.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/validation.h b/src/validation.h
index 8112e38704..b201403585 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -127,7 +127,6 @@ extern bool g_parallel_script_checks;
extern bool fRequireStandard;
extern bool fCheckBlockIndex;
extern bool fCheckpointsEnabled;
-extern size_t nCoinCacheUsage;
/** A fee rate smaller than this is considered zero fee (for relaying, mining and transaction creation) */
extern CFeeRate minRelayTxFee;
/** If the tip is older than this (in seconds), the node is considered to be in initial block download. */
@@ -519,7 +518,7 @@ public:
//! Initialize the in-memory coins cache (to be done after the health of the on-disk database
//! is verified).
- void InitCoinsCache() EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
+ void InitCoinsCache(size_t cache_size_bytes) EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
//! @returns whether or not the CoinsViews object has been fully initialized and we can
//! safely flush this object to disk.
@@ -568,6 +567,17 @@ public:
//! Destructs all objects related to accessing the UTXO set.
void ResetCoinsViews() { m_coins_views.reset(); }
+ //! The cache size of the on-disk coins view.
+ size_t m_coinsdb_cache_size_bytes{0};
+
+ //! The cache size of the in-memory coins view.
+ size_t m_coinstip_cache_size_bytes{0};
+
+ //! Resize the CoinsViews caches dynamically and flush state to disk.
+ //! @returns true unless an error occurred during the flush.
+ bool ResizeCoinsCaches(size_t coinstip_size, size_t coinsdb_size)
+ EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
+
/**
* Update the on-disk chain state.
* The caches and indexes are flushed depending on the mode we're called with