In a test TiKV cluster, the following logs were observed:

• expired in the snap recv concurrency limiter: 1232 times
• too many recving snapshot tasks: 1902 times

too many recving snapshot tasks indicated excessive snapshot sends, which is what the snapshot precheck process (introduced in v8.3.0) aims to prevent. Most "too many recving snapshot tasks" cases can be explained by expired tokens (as the precheck process assumes snapshot generation/transmission completes within the 60s TTL), the remaining cases may indicate a bug in the precheck process.

This issue causes minor resource waste but shouldn't have significant impact.