docs - remove duplicate info in best prac spill file section
@@ -203,15 +203,6 @@ kernel.shmall = 4000000000</codeblock>
compression algorithm to apply to spill files. It can have the value <codeph>none</codeph>
(the default) or <codeph>zlib</codeph>. Setting this parameter to <codeph>zlib</codeph> can
improve performance when spill files are used.</p>
- <p>A query could generate a large number of spill files if not enough memory is allocated to
- it or if data skew is present in the queried data. If a query creates more than the
- specified number of spill files, Greenplum Database returns this error: </p>
- <p>
- <codeph>ERROR: number of workfiles per query limit exceeded</codeph>
- </p>
- <p>Before raising the <codeph>gp_workfile_limit_files_per_query</codeph>, try reducing the
- number of spill files by changing the query, changing the data distribution, or changing the
- memory configuration. </p>
</section>
</body>
</topic>
