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| // TODO: handle block_hashes properly. | ||
| block_hashes.clear(); | ||
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| blocks.shrink_to_fit(); |
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Removing something from a HashMap does not guarantee the memory will be deallocated. We use heapsize to measure cache size on line 782. The condition there would always be false after max size is reached for the first time.
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Reduced lock contention a bit.
There is no global lock on the blockchain anymore, instead there is a lock on the
insert_blockfunction that guarantees that all updates are atomic.Reads are are also atomic: database changes are committed with the transaction. Most of the caches that are addressed by block hash can be updated individually. The only exceptions are
best_block,block_hashesandtransaction_addresses. These are updated alltogether.Block queue has been optimized to use more fine grained locking.
Global lock on the block queue has been removed. It was not needed in the first place since the module is fully reenterable.