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Add block/state caching on beacon chain (#677)

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* Add basic block/state caching on beacon chain

* Adds checkpoint cache

* Stop storing the tree hash cache in the db

* Remove dedunant beacon state write

* Use caching get methods in fork choice

* Use caching state getting in state_by_slot

* Add state.cacheless_clone

* Attempt to improve attestation processing times

* Introduce HeadInfo struct

* Used cache tree hash for block processing

* Use cached tree hash for block production too
This commit is contained in:
Paul Hauner
2019-12-09 14:20:25 +11:00
committed by GitHub
parent 36624b1d14
commit 2bfc512fb6
8 changed files with 340 additions and 101 deletions
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8
beacon_node/beacon_chain/src/metrics.rs
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@@ -149,6 +149,14 @@ lazy_static! {
pub static ref PERSIST_CHAIN: Result<Histogram> =
try_create_histogram("beacon_persist_chain", "Time taken to update the canonical head");
/*
* Checkpoint cache
*/
pub static ref CHECKPOINT_CACHE_HITS: Result<IntCounter> =
try_create_int_counter("beacon_checkpoint_cache_hits_total", "Count of times checkpoint cache fulfils request");
pub static ref CHECKPOINT_CACHE_MISSES: Result<IntCounter> =
try_create_int_counter("beacon_checkpoint_cache_misses_total", "Count of times checkpoint cache fulfils request");
/*
* Chain Head
*/