hyperledger / fabric-x-committer / 36710735107

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Pull #842

github

[sidecar] Make the block store transaction ID index optional

#### Type of change

- New feature
- Improvement (improvement to code, performance, etc)

#### Description

- Add `ledger.disable-tx-id-index` to the sidecar config, defaulting to false so the block
  store keeps indexing transaction IDs as before.
- Take `*LedgerConfig` in `newBlockStore` instead of the path and sync interval.
- Document the option in the sample config and in `docs/performance-tuning.md`.

#### Additional details (Optional)

The block number index stays mandatory: reopening a non-empty ledger reads through it.
Changing the setting requires an empty ledger directory.

#### Related issues

- resolves #784

Signed-off-by: Liran Funaro <liran.funaro@gmail.com>

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