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Add tiflash repo link to overview (#8009) #8123

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Apr 7, 2022
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Add tiflash repo link to overview (#8009) #8123

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c50e992
Add tiflash repo link to overview
shichun-0415 Apr 1, 2022
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Update tiflash/tiflash-overview.md
shichun-0415 Apr 1, 2022
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Add tiflash repo link to overview
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@shichun-0415 @ti-chi-bot
shichun-0415 authored and ti-chi-bot committed Apr 7, 2022
commit c50e992e18a24db292e83183adfd3a2643d91341
14 changes: 9 additions & 5 deletions tiflash/tiflash-overview.md
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Expand Up @@ -5,7 +5,7 @@ summary: Learn the architecture and key features of TiFlash.

# TiFlash Overview

TiFlash is the key component that makes TiDB essentially an Hybrid Transactional/Analytical Processing (HTAP) database. As a columnar storage extension of TiKV, TiFlash provides both good isolation level and strong consistency guarantee.
[TiFlash](https://github.com/pingcap/tiflash) is the key component that makes TiDB essentially an Hybrid Transactional/Analytical Processing (HTAP) database. As a columnar storage extension of TiKV, TiFlash provides both good isolation level and strong consistency guarantee.

In TiFlash, the columnar replicas are asynchronously replicated according to the Raft Learner consensus algorithm. When these replicas are read, the Snapshot Isolation level of consistency is achieved by validating Raft index and multi-version concurrency control (MVCC).

Expand Down Expand Up @@ -33,10 +33,14 @@ When TiDB receives the DDL command to create replicas in TiFlash, the `pd buddy`

TiFlash has the following key features:

- [Asynchronous replication](#asynchronous-replication)
- [Consistency](#consistency)
- [Intelligent choice](#intelligent-choice)
- [Computing acceleration](#computing-acceleration)
- [TiFlash Overview](#tiflash-overview)
- [Architecture](#architecture)
- [Key features](#key-features)
- [Asynchronous replication](#asynchronous-replication)
- [Consistency](#consistency)
- [Intelligent choice](#intelligent-choice)
- [Computing acceleration](#computing-acceleration)
- [See also](#see-also)

### Asynchronous replication

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