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Mongo Db Moitoring with mongotop Command

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Mongo Db monitoring with mongotop command mongotop provides a method to track the amount of time a MongoDB instance spends reading and writing data. mongotop provides statistics on a per-collection level. By default, mongotop returns values every second. Mongotop  Options --help, -h  |Returns information on the options and use of mongotop. --verbose, -v  |Increases the amount of internal reporting returned on standard output or in log files. Increase the verbosity with the -v form by including the option multiple times, (e.g. -vvvvv.) --quiet  |Runs the mongotop in a quiet mode that attempts to limit the amount of output. This option suppresses: output from  database commands replication activity connection accepted events connection closed events --version| Returns the mongotop release number. Fields in mongotop mongotop.ns  -- Contains the database namespace, which combines the database name and collection. mongotop.db  -- Contains the name of the databas

Regular Expressions

Regular Expression  1. Using Regular Expression for matching Email  ^\w+@\w+\.\w{3}$ ashish@abc.com ^\w+@[\w.]+\.\w{2,3}$ ashish@abc.co.in  ^[\w%.+\-]+@[\w.\-]+\.[A-Za-z]{2,3}$ ashish@abc.co.in  ashish@abc.co.uk ashsih@abc.com 2. Using Regular Expression for matching URL  ^http(s?):\/\/[\w.\-]+\.[\w]+.*$ tps://asbjb.com http://12.22.11.111 https://bdbndbd.ccbcb.skns/pwwknw/?sss.html http://vulcan-olpite.unicommerce.info:8080/fleet/riders?offset=0&limit=10&keyword=&sort_direction=1&sort_by=code https://www.blogger.com/blogger.g?blogID=6445636638945131440#editor/target=post;postID=1834207132756697935 3. Using Regular Expression for matching Decimal ^\d*\.\d+|\d+$ .12 0.12 12 2.13  4. Using Regular Expression for matching Time ^([01]?[0-9]|2[0-3]):[0-5][0-9](:[0-5][0-9])?(( EST)|( GMT -5)|(AM|PM|am|pm))?$ 2:35 2:35PM 2:35pm 02:35 14:25 14:24:23 12:23 EST 12:34 GMT -5 24:23