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Ledger block cache #4303

Merged
merged 2 commits into from
Sep 2, 2023
Merged

Ledger block cache #4303

merged 2 commits into from
Sep 2, 2023

Commits on Sep 2, 2023

  1. Ledger block cache 

    This commit introduces an in-memory cache for the block storage of the ledger.
It caches new blocks that are committed and assumes blocks are committed in-order and with consecutive sequences.

The block iterators now attempt to retrieve the blocks from the cache if possible before going to the block storage.

The intent is twofold:
1) Speedup the block Deliver API by not doing disk I/O when clients (peers, orderers) fetch blocks.
2) Reduce the impact of the deliver API from writing new blocks into the ledger.

Signed-off-by: Yacov Manevich <yacov.manevich@ibm.com>
    @yacovm
    yacovm committed Sep 2, 2023
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  2. Address comments from Manish 

    Signed-off-by: Yacov Manevich <yacov.manevich@ibm.com>
    @yacovm
    yacovm committed Sep 2, 2023
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