indexer-alt: metric for affected row histogram

[amnn]

Description

Add a metric to track the distribution of affected rows per database transaction from the committer. This will help measure how many rows the sum_obj_types pipeline is touching per write.

Test plan

Local run, and test on deployment.

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Release notes

Check each box that your changes affect. If none of the boxes relate to your changes, release notes aren't required.

For each box you select, include information after the relevant heading that describes the impact of your changes that a user might notice and any actions they must take to implement updates.

• [ ] Protocol:
• [ ] Nodes (Validators and Full nodes):
• [ ] Indexer:
• [ ] JSON-RPC:
• [ ] GraphQL:
• [ ] CLI:
• [ ] Rust SDK:
• [ ] REST API:

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Name	Status	Preview	Comments	Updated (UTC)
sui-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 22, 2024 0:13am

3 Skipped Deployments

| Name | Status | Preview | Comments | Updated (UTC) | | :--- | :----- | :------ | :------- | :------ | | **multisig-toolkit** | ⬜️ Ignored ([Inspect](https://vercel.com/mysten-labs/multisig-toolkit/BnDayy1XJAB7XSkb3RSADptMzLrE)) | | | Nov 22, 2024 0:13am | | **sui-kiosk** | ⬜️ Ignored ([Inspect](https://vercel.com/mysten-labs/sui-kiosk/FftifC1fS4B3n2Anz5eJn5kJdXxn)) | | | Nov 22, 2024 0:13am | | **sui-typescript-docs** | ⬜️ Ignored ([Inspect](https://vercel.com/mysten-labs/sui-typescript-docs/EHKX4MGW8QSi9q8ygDr3uxzhgp64)) | | | Nov 22, 2024 0:13am |

[lxfind]

I merged this so that I could redeploy