Dev/refactor create seal shard#448
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…O, add prod repro issue (#434) SDSTOR-21981: make shard create/seal log-only, avoid header/footer I/O, add prod repro issue - Switch create_shard and seal_shard to log-only; remove data channel path - Stop persisting shard header/footer on disk for create/seal flows - Add production GC issue reproductions: - issue1: concurrent seal_shard, create_shard, and GC - issue2: concurrent put_blob and seal_shard can place blob into sealed shard
…onization, and jenkins. (#439)
…tor (#438) - Migrate v2 shard superblk (sb_version=0x02) to v3 on recovery; unify decode logic into decode_shard_sb() shared by raft-log path and on_shard_meta_blk_found - Decode old shard raft-log messages (v2 header_extn) on new code path; extend ResyncShardMetaData schema with sealed_lsn at end for old-buffer compat - Override get_blk_alloc_hint for CREATE/SEAL_SHARD to return committed-blk hint, skipping data-block allocation for log-only shard messages
…ation on blob commit (#446)
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change create/seal shard to log only