This topic describes the limits of data read and write in Log Service.

Resource Item Limit Description
Project Write traffic The maximum write traffic of raw data is 30 GB per minute. If the limit is reached, the HTTP status code 403 and the "Inflow Quota Exceed" error message are returned. If you want to increase the limit, submit a ticket.
Number of write operations The maximum number of write operations is 600,000 per minute. If the limit is reached, the HTTP status code 403 and the "Write QPS Exceed" error message are returned. If you want to increase the limit, submit a ticket.
Number of read operations The maximum number of read operations is 600,000 per minute. If the limit is reached, the HTTP status code 403 and the "Read QPS Exceed" error message are returned. If you want to increase the limit, submit a ticket.
Shard Write traffic
  • If indexes are configured in a Logstore, the maximum write traffic of raw data is 5 MB per second.
  • If no indexes are configured in a Logstore, the maximum write traffic of raw data is 10 MB per second.
Not required. If the limit is reached, Log Service continues to read data. However, the quality of the service may be degraded.
Number of write operations The maximum number of write operations is 500 per second. Not required. If the limit is reached, Log Service continues to read data. However, the quality of the service may be degraded.
Read traffic The maximum read traffic is 10 MB per second. Not required. If the limit is reached, Log Service continues to read data. However, the quality of the service may be degraded.
Number of read operations The maximum number of read operations is 100 per second. Not required. If the limit is reached, Log Service continues to read data. However, the quality of the service may be degraded.