2015-01-22 聚會手記

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Table of Contents

lcamel

Continuation-passing style - Wikipedia, the free encyclopedia
uhttp://en.wikipedia.org/wiki/Continuation-passing_style

Tail call - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Tail_call

blue119

Collectd Graph Panel
https://github.com/pommi/CGP

Sam

visualising data structures and algorithms through animation
http://visualgo.net/


Type 1 vs Type 2 Hypervisor
Hypervisor - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Hypervisor#Classification

peter

讓網卡固定在 5G 頻率

# iwconfig wlan1 freq 5.745G

yan

估算 MySQL 資料表 dump 後的大概容量

mysql> SELECT table_schema, engine,
ROUND(SUM(data_length)/1024/1024) AS total_mb,
ROUND(SUM(data_length)/1024/1024) AS index_mb,
COUNT(*) AS tables
FROM information_schema.tables
GROUP BY table_schema,engine
ORDER BY 3 DESC;

MySQL show engine of tables

mysql> SHOW TABLE STATUS FROM dbname WHERE Name Like 'tb_%';

Percona XtraBackup – MySQL, MariaDB, and Percona Server Hot Backup Software for InnoDB & XtraDB
http://www.percona.com/software/percona-xtrabackup


Influxdb 使用 RocksDB 做 Backend,資料儲存位置爲 /opt/influxdb/shared/data/db

RocksDB
http://rocksdb.org/

Benchmarking LevelDB vs. RocksDB vs. HyperLevelDB vs. LMDB Performance for InfluxDB
http://influxdb.com/blog/2014/06/20/leveldb_vs_rocksdb_vs_hyperleveldb_vs_lmdb_performance.html

pyrocksdb
http://pyrocksdb.readthedocs.org/en/v0.2.1/index.html

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