| domain | taishanghu.com |
| summary | Okay, I've reviewed the logs you provided. Here's a breakdown of what I see and some observations:
Overall Observations:
* Heavy SQL Querying: The system is performing a large number of SQL queries. This is a common pattern for web applications, but excessive queries can significantly impact performance. * Slow Queries: Some queries, particularly those involving `SELECT ... FROM website_friendlink` and `SELECT ... FROM download_article`, are taking a considerable amount of time (ranging from 0.017s to 0.028s). This is a key area for optimization. The "RunTime" values indicate the time taken for each of these queries. * Index Usage (Potential): Based on the query patterns, there might be opportunities to improve performance by adding or optimizing indexes. The queries selecting from `website_friendlink`, `download_article` and `article` frequently filter by `website_id` and `id`, suggesting that indexes on those columns could be very beneficial. * `SELECT ... FROM ... WHERE ... LIKE CONCAT, keyword`: The repeated use of `LIKE CONCAT, keyword` is likely a performance bottleneck. `LIKE` with a wildcard (`%`) is generally slow, especially when the wildcard is at the beginning of the pattern. If possible, try to avoid wildcards or optimize the matching conditions.
Specific Queries and Potential Improvements:
1. `SELECT ... FROM website_friendlink WHERE website_id = 9385` (and similar) * Issue: This query is likely slow because it's scanning the entire `website_friendlink` table. * Solution: Create an index on the `website_id` column in the `website_friendlink` table: ```sql CREATE INDEX idx_website_id ON website_friendlink (website_id); ```
2. `SELECT ... FROM download_article WHERE website_id = 9385` (and similar) * Issue: Same as above. This is a table scan. * Solution: Create an index on the `website_id` column in the `download_article` table: ```sql CREATE INDEX idx_website_id_download_article ON download_article (website_id); ```
3. `SELECT ... FROM article WHERE id IN (1516976,1895490,1791854,1774767,1986754)` * Issue: This query uses an `IN` clause with multiple values. While not as bad as a full table scan, it still isn't ideal. * Solution: If these `id` values are relatively static, consider creating an index on the `id` column of the `article` table: ```sql CREATE INDEX idx_article_id ON article (id); ``` or, if the IDs are used very frequently, and you can change the query to use a prepared statement (to avoid repeatedly parsing the query), that would be even more efficient.
4. `SELECT ... FROM ... WHERE ... LIKE` (General) * Issue: Using `LIKE` with wildcards (`%`) is slow. * Solution: * Avoid Wildcards (if possible): If you can modify your application logic to avoid using wildcards, it's the best solution. * Full-Text Search (Advanced): If you need to perform complex pattern matching, consider using a full-text search engine (like MySQL's built-in fulltext index or a dedicated search engine) for faster and more efficient searching. This is a more complex solution, but can provide significant performance benefits.
Recommendations:
1. Analyze Query Performance: Use your database's query analyzer tools (e.g., `EXPLAIN` in MySQL) to get a detailed breakdown of how each query is executed. This will show you which parts of the query are the slowest and whether indexes are being used effectively. 2. Index Optimization: Based on the query analysis, carefully create indexes on the columns that are frequently used in `WHERE` clauses, `JOIN` conditions, and `ORDER BY` clauses. 3. Query Optimization: Review your application code to see if you can rewrite queries to be more efficient. 4. Caching: Implement caching mechanisms to store frequently accessed data and reduce the load on the database. 5. Database Server Tuning: Ensure your database server is properly configured for optimal performance.
To help me give you even more specific advice, could you tell me:
* What database system are you using? (e.g., MySQL, PostgreSQL, SQL Server, etc.) * Can you provide a more complete query example that is slow? (The ones you showed are just snippets). Knowing the entire query is important. * What is the size of your tables? (e.g., number of rows). |
| title | Beluga Accelerator - Beluga Accelerator Official Genuine - Beluga Accelerator Organ Network |
| description | Beluga Accelerator makes accessing overseas websites stress-free! Unlock global content and enjoy the international Internet. The official Beluga accelerator only requires one accelerator software. |
| keywords | limit, like, show, full, columns, twitter, order, type, article, website, description, hammer, http, queries, reads |
| upstreams |
|
| downstreams |
|
| nslookup | A 104.21.60.140, A 172.67.197.129 |
| created | 2025-12-06 |
| updated | 2025-12-06 |
| summarized | 2025-12-11 |
|
|