Losing logs + lots of lines in stderr (error.log nginx)
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评估
- 难度
- 4/5
- 预计耗时
- 3-5 天
- 新手友好度
- 28/100
- Issue 类型
- 缺陷
- 描述清晰度
- 需要澄清
- 活跃度
- 停滞
- 技术栈
- nginx, php
调研方向
首先在 fluentd-logger-php 库中重现 socket 连接错误，并检查故障如何将应用程序日志和收集到的 PHP 错误写入 stderr。确定确切的故障，并明确是否可以保留日志或重试，同时不污染 nginx error.log；当行为和恢复路径已完成记录并经过验证时，即视为完成。
由索引模型根据 Issue 内容生成。
描述
Hi,
We have a problem with the fluentd-logger-php class. Sometimes it goes in error (we haven't realize yet why, but we think it could be a socket connection error) and it writes in stderr a blob of things:
- It writes what we are trying to send to fluentd (application logs)
- Plus, it writes the php errors collected during the script, like notices for example (and our error level configured in php.ini file excludes the notices, so it is strange).
Writing in stderr causes us a lot of noise in the nginx error.log, and, furthermore, we loose the application logs forever.
The fluentd, even if is in debug mode, doesn't write anything when this problem happens.
We experimentally caused a socket connection error modifying the library code (in development environment) and we got the problematic behaviour (wrote lines in error.log nginx). This is why we believe that this could be the problem.
Now, we want to understand some things:
- we would like to know precisely why this is happening and how we can detect the exact problem.
- we cannot have these lines of logs wrote in stderr, because in this way we cannot navigate the nginx logs to analyze them easily.
- we would like to not loose the log, but have something to retry the writing if something goes wrong, is this possible?
Thanks,
Gioia
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