AWAIT: Efficient Overload Management for Busy Multi-tier Web Services under Bursty Workloads

 
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Old 05-22-2010
AWAIT: Efficient Overload Management for Busy Multi-tier Web Services under Bursty Workloads

HPL-2010-65 AWAIT: Efficient Overload Management for Busy Multi-tier Web Services under Bursty Workloads - Lu, Lei; Cherkasova, Ludmila; de Nitto Persone, Vittoria; Mi, Ningfang; Smirni, Evgenia
Keyword(s): Multi-tier systems, admission control, overload, burstiness, Index of dispersion, performance evaluation
Abstract: The problem of service differentiation and admission control in web services that utilize a multi-tier architecture is more challenging than in a single-tiered one, especially in the presence of bursty conditions, i.e., when arrivals of user web sessions to the system are characterized by temporal s ...
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sgmgrweb(1M)															      sgmgrweb(1M)

NAME
sgmgrweb - start HP Serviceguard Manager tool, part of the System Management Homepage Web interface. SYNOPSIS
Path: DESCRIPTION
HP Serviceguard Manager tool (sgmgrweb) can be used to monitor, configure and administer Serviceguard or Serviceguard Extension for RAC cluster. HP Serviceguard Manager is also integrated with Distributed System Administration Utilities (DSAU) to view consolidated cluster log (syslog) and consolidated package logs. The command starts SMH and goes directly to the Serviceguard Manager page. Once started the online help facility of is available and can be used to learn more about HP Serviceguard Manager tool user interface uses a Web browser. Executing the command without any options performs the following tasks: o start the System Management Homepage Web server and o start a Web client (browser) An attempt will be made to connect to the browser specified with the BROWSER environment variable, or Mozilla, or Netscape. The Web browser will be displayed on the X server defined by the DISPLAY environment variable. If a running browser is found, it will be used, otherwise a new session will be initiated. This will only happen if the browser process is running on the same system used to execute the sgmgrweb command (defined by the DISPLAY variable), unless the option is used. Options The recognizes the following options: Forces a client browser to be used in less secure ways. Two security features are overridden by the option. The option forces the client browser to be used or started, even if the X-traffic between the X-server and the Mozilla browser is not secure. When is invoked by the option is used. Only a priviledged user (root) can execute When used with the option, a temporary login bypass key will be generated. The bypass key allows the user to access the Web interface without having to provide login information again. Only use this option if you are sure the network traffic is secure between the host where Mozilla is running, and the host in the DISPLAY variable. The browser uses URL https://hostname:2381/ and you may paste this into any browser if a browser does open with the sgmgrweb command. Online Help Once HP Serviceguard Manager tool is started, the online help provides details on how to use the tool. RETURN VALUES
Upon completion, returns one of the following values: Successful. An error occurred. AUTHORS
sgmgrweb was developed by Hewlett-Packard SEE ALSO
hpsmh(1M), smhstartconfig(1M), cmviewcl(1M) sgmgrweb(1M)