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JavaScript xdmp.logfileScan

MarkLogic 12 EA 1 Product Documentation
xdmp:logfile-scan

xdmp:logfile-scan(
   $path as xs:string,
   $match-pattern as xs:string?,
   $match-flags as xs:string?,
   $start-date as xs:dateTime?,
   $end-date as xs:dateTime?,
   $limit as xs:integer?
) as xs:string*

Summary

Scan a file in ErrorLog.txt format filtering by date range and regular expression.

Parameters
path The path to the log file on the local or cluster filesystem.
match-pattern Regular expression to match against log lines.
match-flags Regex match flags.
start-date Filter (discard) log records before $start-date.
end-date Stop matching (discard) log records on or after end-date.
limit Log lines limit.

Required Privileges

http://marklogic.com/xdmp/privileges/xdmp-filesystem-file

Example

xdmp:logfile-scan("file://host-in-cluster/var/opt/MarkLogic/Logs/ErrorLog.txt",
                  ("Info"), (), xs:dateTime("2021-09-09T15:54:45.294"), (), 3)
=>
2021-09-09 15:54:45.296 Info: MarkLogic Converters 10.0-20210825 found
2021-09-09 15:54:45.485 Info: Host host-in-cluster with 32GB memory running Linux 5.7.15-100.fc31.x86_64 (Fedora release 31 (Thirty One))
2021-09-09 15:54:45.984 Info: License key languages: en fr it de es zh-Hant zh ar ru nl ko fa ja pt nb nn sv

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