I would like to ask everyone, what are the impacts of configuring TiFlash below the official recommended specifications?

Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: 想问一下各位大佬,tiflash的配置低于官方推荐的配置会有什么影响

| username: TiDBer_菜鸟

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| username: xfworld | Original post link

Insufficient computing power may not be as fast as TiKV’s push-down computation.
Data synchronization is slow… Performance is inadequate, leading to resource contention and a decrease in processing speed.

For your reference.

| username: Kongdom | Original post link

After a certain data level, system performance will be below normal. It is recommended, if possible, to configure according to the official standard specifications.

| username: 我是咖啡哥 | Original post link

When the data volume is not large, it’s fine, no need to waste resources.
We are currently using cloud services, and the configuration is not as high.

| username: TiDBer_菜鸟 | Original post link

Thank you for the explanation.

| username: TiDBer_菜鸟 | Original post link

Yes, mainly I feel that the resources recommended by the official configuration are a bit wasteful.

| username: ShawnYan | Original post link

That is the recommended configuration from the manufacturer, which can be adjusted as needed. If it’s on the cloud, you can scale up elastically at any time.

| username: Minorli-PingCAP | Original post link

It is recommended to set up the environment according to the recommended configuration. It’s actually not too demanding.