Abnormal PD Memory Usage

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

Original topic: pd 内存占用异常

| username: Holland

[TiDB Usage Environment] Production Environment
[TiDB Version]
v5.4.1
[Encountered Problem]
PD memory is abnormally high, limited to 8GB, and frequently encounters OOM
[Reproduction Path] Operations performed that led to the problem
[Problem Phenomenon and Impact]

[Attachments]
pd1.heap.prof (71.9 KB)
pd2.heap.prof (43.6 KB)

Please provide the version information of each component, such as cdc/tikv, which can be obtained by executing cdc version/tikv-server --version.

| username: xfworld | Original post link

Can you describe the usage scenario?

| username: xiaohetao | Original post link

What is the architecture of your cluster? Can you share the cluster resource configuration information?

| username: xiaohetao | Original post link

What configurations were made? What operations are there at the database business layer?