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Target customers: users who need to store large amounts of data for long periods of time such as several weeks or months and do not need to analyze logs. Features released: Log Service provides Query Logstores that support high-performance queries but does not support statistical analysis. Query Logstores are cost-effective and suitable for scenarios in which you require more queries than analysis. Scenarios: Query Logstores are suitable for scenarios in which you require more queries than analysis or require no analysis, such as debugging, issue diagnosis, and audit tracing. Query Logstores provide the following benefits: 1. Low cost: The index traffic fee of a Query Logstore is approximately 72% less than that of a Standard Logstore. The overall cost is expected to be reduced by 30%. 2. High-performance query: Query Logstores allow you to query hundreds of billions of logs and can return query results within seconds. 3. Hot and cold-tiered storage: Query Logstores supports hot and cold-tiered storage. This helps reduce costs. 4. Flexible combination: You can create Standard and Query Logstores in a project based on your business requirements.