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Posted to commits@cassandra.apache.org by Apache Wiki <wi...@apache.org> on 2010/04/05 17:00:09 UTC
[Cassandra Wiki] Update of "ReadRepair_JP" by shot6
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The "ReadRepair_JP" page has been changed by shot6.
http://wiki.apache.org/cassandra/ReadRepair_JP?action=diff&rev1=2&rev2=3
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## page was copied from ReadRepair
- Read repair means that when a query is made against a given key, we perform that query against all the replicas of the key. If a low !ConsistencyLevel was specified, this is done in the background after returning the data from the closest replica to the client; otherwise, it is done before returning the data.
- This means that in almost all cases, at most the first instance of a query will return old data.
+ リードリペアとは、与えられたキーでのクエリが発行されたとき、Cassandraが全キーのレプリカに大してこのクエリを発行するということです.
+ リードリペアは、クライアントから仮に低い!ConsistencyLevelがセットされた検索だとしても、最も近いレプリカからクライアントに値が返されたあとにバックグラウンドで動きます.または高い!ConsistencyLevelでは、データ返却前にリードリペアが走ります.
+ この意味するところは、ほとんどのケースでは最初のクエリは古いデータを返すということです.
+