【问题标题】:What does librdkafka.redist's logs meanlibrdkafka.redist 的日志是什么意思
【发布时间】:2020-10-08 08:05:25
【问题描述】:

这是与Confluent.Kafkalibrdkafka.redist 依赖关系相关的控制台日志的摘录。

%3|1602097315.970|FAIL|rdkafka#consumer-2| [thrd:kfkqaapq0002d.ch.me.com:9092/bootstrap]: kfkqaapq0002d.ch.me.com:9092/bootstrap: Failed to resolve 'kfkqaapq0002d.ch.me.com:9092': No such host is known.  (after 42ms in state CONNECT)
%3|1602097315.970|FAIL|rdkafka#consumer-3| [thrd:kfkqaapq0002d.ch.me.com:9092/bootstrap]: kfkqaapq0002d.ch.me.com:9092/bootstrap: Failed to resolve 'kfkqaapq0002d.ch.me.com:9092': No such host is known.  (after 41ms in state CONNECT)
%3|1602097315.972|FAIL|rdkafka#producer-1| [thrd:kfkqaapq0003d.ch.me.com:9092/bootstrap]: kfkqaapq0003d.ch.me.com:9092/bootstrap: Failed to resolve 'kfkqaapq0003d.ch.me.com:9092': No such host is known.  (after 48ms in state CONNECT)
%3|1602097315.973|ERROR|rdkafka#producer-1| [thrd:app]: rdkafka#producer-1: kfkqaapq0003d.ch.me.com:9092/bootstrap: Failed to resolve 'kfkqaapq0003d.ch.me.com:9092': No such host is known.  (after 48ms in state CONNECT)
%3|1602097316.459|FAIL|rdkafka#producer-1| [thrd:kfkqaapq0001d.ch.me.com:9092/bootstrap]: kfkqaapq0001d.ch.me.com:9092/bootstrap: Failed to resolve 'kfkqaapq0001d.ch.me.com:9092': No such host is known.  (after 42ms in state CONNECT)

我试图了解每个管道分隔部分是什么。谁能告诉我?我找不到任何关于它的信息。我假设第 2 列是某种时间戳,第 3 列是状态,第 4 列是错误消息。

【问题讨论】:

    标签: logging apache-kafka confluent-platform librdkafka


    【解决方案1】:

    列:

    • %3 - 系统日志严重级别。越低越严重。
    • 1602097315.970 - 自纪元以来的秒数。
    • rdkafka#consumer-2 - 客户端实例名称,它是(可能已配置)client.id、客户端类型(消费者)和每个新客户端实例(在当前进程中)增加的运行编号的组合。
    • [thrd:kfkqaapq0002d.ch.me.com:9092/bootstrap] - 从哪个线程发出日志。应用程序线程将被命名为thrd:app,所有其他线程名称都是 librdkafka 内部线程。
    • kfkqaapq0002d.ch.me.com:9092/bootstrap - 日志消息对应的代理。
    • Failed to resolve 'kfkqaapq0002d.ch.me.com:9092': No such host is known. (after 42ms in state CONNECT) - 日志消息本身。

    【讨论】:

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