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[Apache zookeeper] zookeeper ์„ค์น˜ / ์•„ํŒŒ์น˜ ์ฃผํ‚คํผ ์„ค์น˜ ๋ณธ๋ฌธ

BIGDATA/ํ•˜๋‘ก์—์ฝ”์‹œ์Šคํ…œ

[Apache zookeeper] zookeeper ์„ค์น˜ / ์•„ํŒŒ์น˜ ์ฃผํ‚คํผ ์„ค์น˜

๐Ÿฐํžˆํžˆ 2021. 3. 5. 01:50

์ฃผํ‚คํผ๋ž€ ๋ถ„์‚ฐ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ์œ„ํ•œ ๋ถ„์‚ฐ ์ฝ”๋””๋„ค์ด์…˜์ด๋‹ค.

 

znode(์ €๋„๋…ธ๋“œ)๊ฐ€ ๊ฐ๊ฐ์˜ ์„œ๋ฒ„์— ์œ„์น˜ํ•ด ์žˆ๋‹ค.

๊ฐ ํ•˜๋‘ก์˜ ์„œ๋น„์Šค๋“ค์ด ์ž˜ ๋™์ž‘ํ•˜๊ณ  ์žˆ๋Š”์ง€ ํ™•์ธํ•œ๋‹ค.

์ฃผ๊ธฐ์ ์œผ๋กœ ํ•˜ํŠธ๋น„ํŠธ ์š”๊ตฌํ•˜์—ฌ ๋ฐ›๋Š” ๋ฐฉ์‹์œผ๋กœ,

 

๋”ฐ๋ผ์„œ ์ฃผ๊ธฐํผ๋Š” ํ™€์ˆ˜๋กœ ํด๋Ÿฌ์Šคํ„ฐ๋ฅผ ๊ตฌ์„ฑํ•˜๋Š”๋ฐ

์—ฌ๊ธฐ์„œ ๋“ค์–ด๊ฐ€๋Š” ๊ฐœ๋…์ด ์ฟผ๋Ÿผ์ด๋‹ค.

 

์ฟผ๋Ÿผ์ด๋ž€? 

๋‹ค์ˆ˜๊ฒฐ๋กœ ์˜ˆ๋ฅผ ๋“ค์–ด 5๊ฐœ์˜ ์„œ๋ฒ„๋กœ ๊ตฌ์„ฑ ๋˜์–ด์žˆ๊ณ ,

2๊ฐœ์˜ ์„œ๋ฒ„๊ฐ€ ์ฃฝ๋Š”๋‹ค๊ณ  ๊ฐ€์ •ํ–ˆ์„ ๋•Œ ์ •์ƒ์ ์œผ๋กœ ๋™์ž‘ํ•œ๋‹ค๊ณ  ํŒ๋‹จํ•œ๋‹ค.

๊ทธ๋ฆฌ๊ณ  5๊ฐœ ์ค‘ 3๊ฐœ์˜ ์„œ๋ฒ„๊ฐ€ ์ฃฝ์—ˆ์„ ๊ฒฝ์šฐ, ๋‹ค์ˆ˜๊ฒฐ๋กœ ์ธํ•ด ๋น„์ •์ƒ์ด๋ผ๊ณ  ํŒ๋‹คํ•œ๋‹ค.

๊ทธ๋กœ ์ธํ•ด, ์ฃผํ‚คํผ๋Š” ํ™€์ˆ˜๋กœ ํด๋Ÿฌ์Šคํ„ฐ๋ฅผ ๊ตฌ์„ฑํ•œ๋‹ค.

 

zookeeper ํด๋Ÿฌ์Šคํ„ฐ๋Š”

ํ•˜๋‚˜์˜ ์„œ๋ฒ„๊ฐ€ ๋ฆฌ๋”์ด๊ณ , ๋‹ค๋ฅธ ์„œ๋ฒ„๋Š” ํŒ”๋กœ์›Œ์ด๋‹ค

๋ฆฌ๋” ์„œ๋ฒ„๋ฅผ ๊ธฐ์ค€์œผ๋กœ sync๋ฅผ ๋งž์ถ˜๋‹ค.

 

์ž์„ธํ•œ ๋‚ด์šฉ์€ ๊ณต์‹ ์‚ฌ์ดํŠธ ์ฐธ์กฐ๋ฐ”๋žŒ

 

์ฃผํ‚คํผ ์„ค์น˜ ๋ฐฉ๋ฒ•

์ฃผํ‚คํผ ํŒŒ์ผ ๋‹ค์šด๋กœ๋“œ ํ›„ ์••์ถ• ํ•ด์ œ ํ›„ ํ…Œ์ŠคํŠธ

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wget https://mirror.navercorp.com/apache/zookeeper/zookeeper-3.5.9/apache-zookeeper-3.5.9.tar.gz
tar xvzf apache-zookeeper-3.5.9.tar.gz
cd bin/zkCli.sh -server 127.0.0.1:2181
./zkCli.sh -server 127.0.0.1:2181
cs

 

์ฃผํ‚คํผ conf์—์„œ zoo.cfg ํŒŒ์ผ ์ƒ์„ฑ

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$ vi $ZOOKEEPER_HOME/conf/zoo.cfg
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/data/userDIr/zookeeper
clientPort=2181
cs

 

์ฃผํ‚คํผ ์‹คํ–‰

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bin/zkServer.sh start
cs

 

jps๋กœ ์ฃผํ‚คํผ ์‹คํ–‰ ์ค‘์ธ์ง€ ํ™•์ธ

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jps
-------------------
Quorumpeermain
cs

netstat -nltp | grep 2181๋กœ ์ฃผํ‚คํผ ํ™•์ธํ•˜๊ธฐ

 

 

์ฃผํ‚คํผ์˜ ํฌํŠธ๋ฒˆํ˜ธ๋Š” zoo.cfg ํŒŒ์ผ์—์„œ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ๋‹ค.

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