on Windows 64-bit, maybe we should default to a better maxBBufSize in
MMapDirectory
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Key: LUCENE-2832
URL: https://issues.apache.org/jira/browse/LUCENE-2832
Project: Lucene - Java
Issue Type: Improvement
Components: Store
Reporter: Robert Muir
Fix For: 3.1, 4.0
Currently the default max buffer size for MMapDirectory is 256MB on 32bit and
Integer.MAX_VALUE on 64bit:
{noformat}
public static final int DEFAULT_MAX_BUFF = Constants.JRE_IS_64BIT ?
Integer.MAX_VALUE : (256 * 1024 * 1024);
{noformat}
But, in windows on 64-bit, you are practically limited to 8TB. This can cause
problems in extreme cases, such as:
http://www.lucidimagination.com/search/document/7522ee54c46f9ca4/map_failed_at_getsearcher
Perhaps it would be good to change this default such that its 256MB on 32Bit
*OR* windows, but leave it at Integer.MAX_VALUE
on other 64-bit and "64-bit" (48-bit) systems.
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