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Tool to check Concurrent Visitors handling ability
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Tool to check Concurrent Visitors handling ability

Hey Guys, I'm looking for a tool that can help me to check the number of concurrent visitors my server can handle so that i can put focus on optimising the server better. Thanks :)

P.S.: There are certain tools in the past like but i don't remember which one works the best as of now.


  • LTnigerLTniger Member

    Apache Bench should suffice.

    Another way is to look for booter service and DDoS your-self ( this one probably not legal).

    Thanked by 1Bertie - Wordpress Hosting Platform.

  • ab -n 100 -c 10 website-url

    i'm getting this:

    ab: invalid URL
    Usage: ab [options] [http[s]://]hostname[:port]/path
    Options are:
    -n requests Number of requests to perform
    -c concurrency Number of multiple requests to make at a time
    -t timelimit Seconds to max. to spend on benchmarking
    This implies -n 50000
    -s timeout Seconds to max. wait for each response
    Default is 30 seconds
    -b windowsize Size of TCP send/receive buffer, in bytes
    -B address Address to bind to when making outgoing connections
    -p postfile File containing data to POST. Remember also to set -T
    -u putfile File containing data to PUT. Remember also to set -T
    -T content-type Content-type header to use for POST/PUT data, eg.
    Default is 'text/plain'
    -v verbosity How much troubleshooting info to print
    -w Print out results in HTML tables
    -i Use HEAD instead of GET
    -x attributes String to insert as table attributes
    -y attributes String to insert as tr attributes
    -z attributes String to insert as td or th attributes
    -C attribute Add cookie, eg. 'Apache=1234'. (repeatable)
    -H attribute Add Arbitrary header line, eg. 'Accept-Encoding: gzip'
    Inserted after all normal header lines. (repeatable)
    -A attribute Add Basic WWW Authentication, the attributes
    are a colon separated username and password.
    -P attribute Add Basic Proxy Authentication, the attributes
    are a colon separated username and password.
    -X proxy:port Proxyserver and port number to use
    -V Print version number and exit
    -k Use HTTP KeepAlive feature
    -d Do not show percentiles served table.
    -S Do not show confidence estimators and warnings.
    -q Do not show progress when doing more than 150 requests
    -l Accept variable document length (use this for dynamic pages)
    -g filename Output collected data to gnuplot format file.
    -e filename Output CSV file with percentages served
    -r Don't exit on socket receive errors.
    -m method Method name
    -h Display usage information (this message)
    -I Disable TLS Server Name Indication (SNI) extension
    -Z ciphersuite Specify SSL/TLS cipher suite (See openssl ciphers)
    -f protocol Specify SSL/TLS protocol
    (SSL2, TLS1, TLS1.1, TLS1.2 or ALL)

  • donkodonko Member but allow only 1 minute free

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