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https://issues.apache.org/jira/browse/IOTDB-199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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xiangdong Huang closed IOTDB-199.
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Resolution: Fixed
> A simple tool to visualize logs
> -------------------------------
>
> Key: IOTDB-199
> URL: https://issues.apache.org/jira/browse/IOTDB-199
> Project: Apache IoTDB
> Issue Type: New Feature
> Reporter: Tian Jiang
> Priority: Minor
> Labels: pull-request-available
> Attachments: IoTDBRuntimReport.zip
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Usually, the very first thing we will do on finding a bug is to search the
> logs. Logs play a vital role in debugging especially in some environment that
> attaching a debugger is impossible. In such circumstance, logs will hopefully
> become the only information sources for the developers.
>
> However, a single log, which is just a string, is easy to understand. But
> when it comes to mining information from thousands of logs or even more,
> getting lost is nearly unavoidable, since humans have a much limited memory
> for exact truth compared to computers. From time to time, I forget what I
> have read before and I must go back to review the previous logs, as a result,
> progress is made very slowly. Reading several strings is easy, but when we
> have thousands, there must be some better way to present them than raw text.
>
> So, I keep thinking it would be much better if we can make the logs into
> plots. Of course there must some existing tools, but they are often powerful
> but too heavy (like Kibana) , or specialized for web or other logs (like
> LogStalgia). Having a fantastic web interface is great, but a simple but
> handy suit us better. What I want is something light-weighted, stand-alone
> and highly customized.
>
> As a result, I developed a simple tool that can visualize (plot) logs
> generated by IoTDB (with some modification, it can be applied to other type
> of logs, too) and generate report. I designed a simple GUI which provides
> full functionalities and a command line tool to fast generate reports. The
> attachment contains an example report I generated from one of my experiments,
> which reveal interesting things like how the size of memtables converges over
> time.
>
> I may have missed some tools that are more powerful or easier to use. If you
> know any, please inform me and I shall see what I can learn from them.
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