摘要：
在Neo4j数据库的使用过程中，慢查询日志对于性能调优和问题诊断至关重要。有时我们可能会遇到慢查询日志无记录的情况。本文将围绕这一主题，详细介绍如何在Neo4j中开启详细日志，并分析如何利用这些日志来优化数据库性能。
一、
Neo4j是一款高性能的图形数据库，广泛应用于社交网络、推荐系统等领域。在Neo4j中，慢查询日志可以帮助我们了解查询执行时间，从而优化查询性能。在实际使用中，我们可能会遇到慢查询日志无记录的情况。本文将探讨如何开启详细日志，并分析如何利用这些日志来优化数据库性能。
二、Neo4j慢查询日志概述
1. 慢查询日志的作用
慢查询日志记录了执行时间超过指定阈值的查询，帮助我们识别性能瓶颈。
2. 慢查询日志的配置
Neo4j的慢查询日志可以通过配置文件进行设置，具体配置如下：
```
dbms.transaction.log.rotation.size=10485760
dbms.transaction.log.rotation.count=10
dbms.transaction.log.rotation.wait=1000
dbms.transaction.log.rotation.wait.max=10000
dbms.transaction.log.rotation.wait.min=100
dbms.transaction.log.rotation.wait.step=100
dbms.transaction.log.rotation.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.min=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.step=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count=10
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.max=100
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.min=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.step=1
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait=1000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.max=10000
dbms.transaction.log.rotation.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count.wait.delay.count
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