SkywalkingTest/gemini

Name: gemini

Owner: SkywalkingTest

Description: ???????????HUB????????????????????????????????????????????Network sniffer and performance analysis

Created: 2016-12-14 10:24:58.0

Updated: 2017-06-22 09:49:49.0

Pushed: 2017-01-16 06:43:28.0

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Size: 16698

Language: Java

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README

Gemini

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Network sniffer and performance analysis.

• Read data from the network core switch or a hub, which set a mirror network input/output.
• Base on these data, Gemini can analysis system performance, but have no influences to the application.
• Combine with the sky-walking tracer, reduce the tracer's cost, improve traced application performance.

Quickstart

Step 1. Download the lastest release

Download the lastest released version, and untar.

> tar -xzf gemini-1.0.0-alpha1.tgz  

Step 2. Get the network card number

> cd gemini-sniffer
> java -jar gemini-sniffer-1.0.0-alpha1.jar
> 2016-12-31 13:05:27,630 [main] ERROR c.a.e.g.s.c.GeminiCmd - ??????????
> -c,--card-id <card id>               ?????????
> -D <arg>
> -i,--interval-time <interval-time>   ???????????????????????(?)
> -o,--operation <operation>           [ card  | online | offline ] ??????????card????????online????????
>                                                      ????offline????????????????????
> -p,--file-path <path>                ????????????????
> -r,--read                            ???????????????????
> -w,--write                           ???????????????????

windows

> java -Djava.library.path=./native/windows -jar gemini-sniffer-1.0.0-alpha1.jar -o card

linux

> java -Djava.library.path=./native/linux -jar gemini-sniffer-1.0.0-alpha1.jar -o card

• After run the command, you may see some outputs like these:

  #0: \Device\NPF_{D0548256-0B61-4535-9651-DC1B91E124DD} [Microsoft]
   \Device\NPF_{38D46CC0-57E8-4BEC-AA69-A902D879F06C} [VMware Virtual Ethernet Adapter]
   \Device\NPF_{18D24468-9011-4691-89BF-E7FA75B20934} [Intel(R) 82579LM Gigabit Network Connection]
   \Device\NPF_{4B226C94-45B4-4E1B-B32C-22689E4777BD} [VMware Virtual Ethernet Adapter]
  

• Then you should choose …

Step 3. Start the sniffer

• First, you need a Kafka MQ.
• Then, start up the gemini.

windows

> java -Djava.library.path=./native/windows -jar gemini-sniffer-1.0.0-alpha1.jar -o online  

linux

> java -Djava.library.path=./native/linux -jar gemini-sniffer-1.0.0-alpha1.jar -o online

Contributors

• ??? @pengys5
• ?? @wusheng Assist on Architecture, Design and APM tech.