diff --git a/doc/modules/cassandra/pages/data_modeling/data_modeling_queries.adoc b/doc/modules/cassandra/pages/data_modeling/data_modeling_queries.adoc index 21f9801812..ed40fb831f 100644 --- a/doc/modules/cassandra/pages/data_modeling/data_modeling_queries.adoc +++ b/doc/modules/cassandra/pages/data_modeling/data_modeling_queries.adoc @@ -28,7 +28,7 @@ here, however, you’ll want to think not only from the customer perspective in terms of how the data is written, but also in terms of how the data will be queried by downstream use cases. -You natural tendency as might be to focus first on designing the tables +Your natural tendency might be to focus first on designing the tables to store reservation and guest records, and only then start thinking about the queries that would access them. You may have felt a similar tension already when discussing the shopping queries before, thinking diff --git a/doc/modules/cassandra/pages/data_modeling/data_modeling_rdbms.adoc b/doc/modules/cassandra/pages/data_modeling/data_modeling_rdbms.adoc index b478df14a1..2acd6cc2bf 100644 --- a/doc/modules/cassandra/pages/data_modeling/data_modeling_rdbms.adoc +++ b/doc/modules/cassandra/pages/data_modeling/data_modeling_rdbms.adoc @@ -17,7 +17,7 @@ image::data_modeling_hotel_relational.png[image] == Design Differences Between RDBMS and Cassandra Let’s take a minute to highlight some of the key differences in doing -ata modeling for Cassandra versus a relational database. +data modeling for Cassandra versus a relational database. === No joins diff --git a/doc/modules/cassandra/pages/getting_started/production.adoc b/doc/modules/cassandra/pages/getting_started/production.adoc index de7fb54234..93b26084b2 100644 --- a/doc/modules/cassandra/pages/getting_started/production.adoc +++ b/doc/modules/cassandra/pages/getting_started/production.adoc @@ -51,7 +51,7 @@ appropriate number of replicates, to ensure even token allocation. Read ahead is an operating system feature that attempts to keep as much data as possible loaded in the page cache. Spinning disks can have long seek times causing high latency, so additional -throughout on reads using page cache can improve performance. +throughput on reads using page cache can improve performance. By leveraging read ahead, the OS can pull additional data into memory without the cost of additional seeks. This method works well when the available RAM is greater than the size of the