Ansible sysctl模块去重BUG Jul 26 Python Flask, Python Comments Word Count: 177(words) Read Count: 1(minutes)
Flask sqlalchemy 设置默认时间 Jun 5 Python Flask, Python, SqlAlhemy Comments Word Count: 297(words) Read Count: 1(minutes)
Celery SQLAlchemy issue May 22 Python Celery, Flask, Python, SQLAlchemy Comments Word Count: 120(words) Read Count: 1(minutes)
Celery任务状态报错一例 Mar 24 Python Celery, Flask, Python Comments Word Count: 499(words) Read Count: 2(minutes)
Hbase Rowkey设计规范参考 HBase是三维有序存储的,通过rowkey(行键),column key(column family和qualifier)和TimeStamp(时间戳)这个三个维度可以对HBase中的数据进行快速定位。 HBase中rowkey可以唯一标识一行记录,在HBase查询的时候,有以下几种方式: 通过get方式,指定rowkey获取唯一一条记录 通过scan方式,设置startRow和stopRow参数进行范围匹配 全表扫描,即直接扫描整张表中所有行记录 rowkey长度原则 Oct 25 BigData Hbase, 性能优化 Comments Word Count: 1.6k(words) Read Count: 5(minutes)