Gemini 3f backport: faster archiver restart#1981

Merged

nazar-pc merged 3 commits intogemini-3f-maintenancefrom gemini-3f-faster-archiver-restart

Sep 20, 2023

+138-198

Commits on Sep 18, 2023

Leverage SegmentHeadersStore to find last archived block faster on node restart, improve error handling by removing incorrect .expect() calls
nazar-pc
committed
Simplify and accelerate mapping of block numbers to hashes during archiver restart
nazar-pc
committed

Commits on Sep 19, 2023

Parallelize retrieval of blocks from database as well as object mapping creation
nazar-pc
committed