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57+ < h1 > Backend: Cassandra - celery.backends.cassandra< a class ="headerlink " href ="#backend-cassandra-celery-backends-cassandra " title ="Permalink to this headline "> ¶</ a > </ h1 >
58+ < span class ="target " id ="module-celery.backends.cassandra "> </ span > < p > celery.backends.cassandra</ p >
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60+ < dt id ="celery.backends.cassandra.CassandraBackend ">
61+ < em class ="property "> class </ em > < tt class ="descclassname "> celery.backends.cassandra.</ tt > < tt class ="descname "> CassandraBackend</ tt > < big > (</ big > < em > servers=None</ em > , < em > keyspace=None</ em > , < em > column_family=None</ em > , < em > cassandra_options=None</ em > , < em > **kwargs</ em > < big > )</ big > < a class ="headerlink " href ="#celery.backends.cassandra.CassandraBackend " title ="Permalink to this definition "> ¶</ a > </ dt >
62+ < dd > < p > Highly fault tolerant Cassandra backend.</ p >
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65+ < tt class ="descname "> servers</ tt > < a class ="headerlink " href ="#celery.backends.cassandra.CassandraBackend.servers " title ="Permalink to this definition "> ¶</ a > </ dt >
66+ < dd > < p > List of Cassandra servers with format: “hostname:port”.</ p >
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74+ < tr > < td > </ td > < td class ="field-body "> if
75+ module < tt class ="xref py py-mod docutils literal "> < span class ="pre "> pycassa</ span > </ tt > is not available.</ td >
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81+ < tt class ="descname "> cleanup</ tt > < big > (</ big > < big > )</ big > < a class ="headerlink " href ="#celery.backends.cassandra.CassandraBackend.cleanup " title ="Permalink to this definition "> ¶</ a > </ dt >
82+ < dd > < p > Delete expired metadata.</ p >
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