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Performance Degradation After Updates

Публичная сессияСессия #85616.01.2026👁️ 34 просмотровУправление и оптимизация баз данных
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AI Analysis Summary

A recent database or application update has led to a significant decrease in system performance, suggesting the introduction of new inefficiencies.

Описание проблемы

After recent database or application updates, I've noticed a noticeable drop in performance. I suspect the changes have introduced inefficiencies that need to be addressed.

Вопросы

5 вопросов
Q1

What specific areas of the application or database are experiencing the most significant performance degradation? (ID: 4382)

All of the above

Q2

Can you describe the nature of the performance drop (e.g., slow queries, increased latency, timeouts)? (ID: 4383)

Everything's just slow

Q3

Were there any specific features or functionalities that were updated or introduced in the recent release? (ID: 4384)

Yes

Q4

What is the approximate percentage of performance degradation observed? (ID: 4385)

25%

Q5

Which of the following types of updates were performed? (ID: 4386)

Database schema changes, Application code changes, Configuration changes

Выявленные причины

4 причины
#1

Неэффективные запросы к базе данных

75%

Новые или измененные запросы, введенные обновлением, могут быть плохо оптимизированы, что приведет к увеличению времени выполнения и потреблению ресурсов.

#2

Повышенное использование ресурсов

60%

Обновленное приложение или база данных может потреблять больше ресурсов ЦП, памяти или ввода-вывода, чем раньше, что приводит к узким местам в системе.

#3

Неэффективность логики приложения

55%

Изменения в коде приложения могли привести к появлению новых циклов, избыточных операций или неэффективной обработке данных, что влияет на общую производительность.

#4

Несоответствия конфигурации или значения по умолчанию

40%

Новые обновления могли сбросить или ввести неоптимальные конфигурации по умолчанию для базы данных или приложения, что повлияло на параметры производительности.

Рекомендуемые решения:

8 решений
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Analyze Slow Queries

95%Official
Use database performance monitoring tools to identify and analyze the slowest queries post-update.

🤖 AI Analysis

"The user explicitly mentioned a 'noticeable drop in performance' and that 'everything's just slow' after database and application updates. Slow queries are a very common cause of overall system slowness, especially after schema or code changes. This solution directly addresses identifying the root cause of slowness within the database."

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Profile Application Code

90%Official
Use application performance monitoring (APM) tools to identify performance bottlenecks within the application code.

🤖 AI Analysis

"Given that both application code and database schema changes were made, application-level bottlenecks are also highly probable. APM tools are crucial for pinpointing where the application itself is struggling, which can manifest as overall slowness."

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Optimize Query Execution Plans

85%Official
Review and rewrite inefficient queries, add or modify indexes, and ensure proper use of query hints.

🤖 AI Analysis

"Once slow queries are identified (as per solution 5193), optimizing them is the logical next step. Database schema changes can often lead to inefficient query plans, and this solution directly addresses how to fix that."

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Code Review and Refactoring

80%Official
Conduct thorough code reviews of the updated sections and refactor any identified inefficient logic.

🤖 AI Analysis

"Application code changes were part of the update. Inefficient logic introduced during these changes can significantly impact performance. Code review and refactoring are essential to identify and fix such issues."

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Monitor System Resources

75%Official
Track CPU, memory, disk I/O, and network usage on database and application servers.

🤖 AI Analysis

"A general drop in performance across the board ('Everything's just slow') suggests that system resources might be strained. Monitoring these resources is a fundamental step in diagnosing performance issues, as it can reveal if the database or application is hitting hardware limits."

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Identify Resource Hogs

70%Official
Pinpoint specific processes or operations that are consuming excessive resources and investigate their cause.

🤖 AI Analysis

"If system resources are being consumed excessively (as identified in 5195), pinpointing the specific processes or operations causing this is critical. This could be a new, resource-intensive query or an inefficient part of the updated application code."

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Review Configuration Settings

65%Official
Compare current configuration settings with previous versions and best practices for the updated software.

🤖 AI Analysis

"Configuration changes were also made. Incorrect or suboptimal configuration settings can easily lead to performance degradation after updates. Reviewing these settings against previous versions and best practices is important."

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Tune Performance Parameters

60%Official
Adjust relevant database and application configuration parameters (e.g., cache sizes, connection pools) based on observed behavior.

🤖 AI Analysis

"After identifying the specific performance issues (e.g., slow queries, resource contention), tuning relevant parameters becomes necessary. This solution is a follow-up to more direct diagnostic steps but is still relevant for resolving the observed performance drop."

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