随笔分类 -  pipelineDB

about pipelineDB
浅谈PipelineDB系列一: Stream数据是如何写到Continuous View中的
摘要：PipelineDB Version:0.9.7 PostgreSQL Version:9.5.3 PipelineDB的数据处理组件： 从上图来看主要就是pipeline_streams,stream_fdw,Continuous View,Transform。 其实就是运用了Postgres的F 阅读全文
posted @ 2017-07-09 22:15 Li.Sang 阅读(2494) 评论(0) 推荐(0)
如何简单愉快的上手PipelineDB
摘要：pipelineDB source:https://github.com/pipelinedb/pipelinedb <!--StartFragment--> 安装PipelineDB ./configure CFLAGS="-g -O0" --enable-cassert --prefix=/us 阅读全文
posted @ 2017-05-15 14:15 Li.Sang 阅读(1281) 评论(0) 推荐(0)
nanomsg 如何写数据到PipelineDB
摘要：nanomsg:https://github.com/nanomsg/nanomsg PipelineDB:https://github.com/pipelinedb/pipelinedb nanomsgToPipelineDB:https://github.com/sangli00/nanomsg 阅读全文
posted @ 2017-05-03 22:20 Li.Sang 阅读(947) 评论(0) 推荐(0)
centOS 搭建pipelineDB docs
摘要：#下载docsgit clonehttps://github.com/pipelinedb/docs.git#安装python-sphinx &python-devyum installinstall python-sphinxyum install python-devel.x86_64#pyth... 阅读全文
posted @ 2015-11-27 16:26 Li.Sang 阅读(352) 评论(0) 推荐(0)
关于pipelineDB调用GetLocalStreamReaders的BUG
摘要：如果想获取一个stream所有的reader,那么必须调用这个函数:Bitmapset *targets = GetLocalStreamReaders(relid);如果stream下面没有reader，那么这个targets返回NULL。我们跟到GetLocalStreamReaders里面看看... 阅读全文
posted @ 2015-09-30 10:51 Li.Sang 阅读(370) 评论(0) 推荐(0)
pipelineDB里Combine用法
摘要：combineonly works on aggregate columns that belong to continuous views.创建CONTINUOUSCREATE CONTINUOUS VIEW v AS SELECT g::integer, AVG(x::integer)... 阅读全文
posted @ 2015-08-08 16:29 Li.Sang 阅读(526) 评论(0) 推荐(0)
源码安装pipelineDB之CentOS7
摘要：源码下载:https://github.com/pipelinedb/pipelinedbgithub上面README只要是针对ubunte来安装的。在正式安装前，要先下载好依赖的包:check,curl,gdal,libgeos,libproj直接上yum安装。如果没有github上面能找到。安装... 阅读全文
posted @ 2015-08-07 14:56 Li.Sang 阅读(603) 评论(0) 推荐(0)
pipelineDB初体验
摘要：官网:http://www.pipelinedb.com/pipelineDB是基于postgres的stream数据库。完全兼容pg的东西。由于产品需要解决性能这块瓶颈，老大让试试这款基于流计算的数据库。[pipeline@localhost ~]$ pipelinepipeline (9.4.4... 阅读全文
posted @ 2015-08-04 10:37 Li.Sang 阅读(5825) 评论(0) 推荐(1)