Keyspaces A cluster is a container for keyspaces. A keyspace is the outermost container for data in Cassandra, corresponding closely to a schema in a relational database. The keyspace can include operational elements, such as replication factor and d…
启动cqlsh时,保存如下: Connection error: ('Unable to connect to any servers', {'127.0.0.1': error(111, "Tried connecting to [('127.0.0.1', 9042)]. Last error: Connection refused")}) 在启动时,指定连接的IP和端口 ./cqlsh xxx.xxx.xxx.xxx 9042 输出结果如下: Connected to Test…
solrPy 基础使用: 1)与solr建立连接 import solr s = solr.Solr('http://host:ip/solr/collectionName') 2)查询 r = s.select('*:*') for hit in r.results: pirnt hit 具体参考: solrpy documentation ------------------------------------------ 选择solrPy的初衷: 1)初期想法:solr做数据存储,做“数据…