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* By default, if the value is set to {{Code|0}}, some heuristics are applied, based on the current memory consumption. Usually, this works fine. If explicit garbage collection is disabled when running Java (e.g. via the JVM option {{Code|-XX:+DisableExplicitGC}}), you may need to choose a custom split size.
→GZIP
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| '''Summary'''
|Points to the directory in which all the [[Web Application]] contents are stored, including XQuery, Script, [[RESTXQ]] and configuration files. This :* The option is ignored if BaseX is deployed as [[Web Application#Servlet_Container|web servlet]].* It cannot be assigned via the {{Code|web.xml}} file, as it will be evaluated before the configuration files are parsed.|} ===GZIP=== {{Mark|Introduced with Version 9.3:}} {| width='100%'|-| width='120' | '''Signature'''|{{Code|GZIP [boolean]}}|-| '''Default'''|<code>false</code>|-| '''Summary'''|Jetty provides a [https://www.eclipse.org/jetty/documentation/current/gzip-filter.html Gzip handler] for dynamically uncompressing requests and compressing responses. This feature can be enabled if Jetty is started via the [[Web Application|BaseX HTTP Server]]:* The option can also be enabled on [[Command-Line Options#HTTP Server|command line]] via <code>-g</code>.* It cannot be assigned via the {{Code|web.xml}} file, as it will be evaluated before the configuration files are parsed.* The [https://github.com/eclipse/jetty.project/blob/7cc552013eb4d05cb603ba0bc85d176c97957cd4/jetty-server/src/main/java/org/eclipse/jetty/server/handler/gzip/GzipHandler.java#L187-L211 sane defaults] of the web server will be applied (support for GET requests, exclusion of binaries, MSIE 6.0, etc.).
|}
|-
| '''Summary'''
|By default, if BaseX is run as [[Web Application]], a the database server instance will be started as well. The server in addition, which can then be addressed by other BaseX clients in parallel to [[Clients]] via the HTTP servicesdatabase port (see {{Option|PORT}}).<br/>If the option is set to {{Code|true}}, the no database server will be disabledlaunched.
|}
|-
| '''Summary'''
|Defines a [[Parsers|parser]] for importing new files to the database. Available parsers are {{Code|XML}}, {{Code|JSON}}, {{Code|CSV}}, {{Code|TEXT}}, {{Code|HTML}}, and {{Code|HTMLRAW}}. HTML input will be parsed as normal XML files documents if [[Parsers#HTML_Parser|Tagsoup]] is not found in the classpath.
|}
| '''Summary'''
|This option affects the [[Indexes#Performance|construction]] of new value indexes. It controls the number of index build operations that are performed before writing partial index data to disk:
* By default, if the value is set to {{Code|0}}, some heuristics are applied, based on the current memory consumption. Usually, this works fine.
* If explicit garbage collection is disabled when running Java (e.g. via the JVM option {{Code|-XX:+DisableExplicitGC}}), you may need to choose a custom split size.
* You can e. g. start with {{Code|1000000}} (one million) index operations and adjust this value in the next steps.
* The larger the assigned value is, the less splits will take place, and the more main memory will be required.
|}
|-
| '''Summary'''
|Allows queries to both contain updating and non-updating expressions. All updating constraints will be turned off, and nodes to be returned will be copied before they are modified by an updating expression. – By default, in compliance with the XQuery Update Facility, this option is set to {{Code|false}}, because the XQuery Update Facility does not allow an updating query to . See [[XQuery Update#Returning Results|return resultsReturning Results]]for more details.
|}
;Version 9.3
* Added: {{Option|WITHDB}}, {{Option|GZIP}}
;Version 9.2
