Search for	Example	Results
A single word	`cat`	Topics that contain the word "cat". You will also find its grammatical variations, such as "cats".
A phrase. You can specify that the search results contain a specific phrase.	`"cat food"` (quotation marks)	Topics that contain the literal phrase "cat food" and all its grammatical variations. Without the quotation marks, the query is equivalent to specifying an OR operator, which finds topics with one of the individual words instead of the phrase.

Search for	Operator	Example
Two or more words in the same topic	`AND` `and` `+` (plus symbol) `&` (ampersand)	`cat AND dog` `"cat food"+milk` `"cat food"&"dog food"`
Either word in a topic	`OR` `or` `\|` (pipe)	`cat OR dog` `cat \| dog`
Topics that do not contain a specific word or phrase	`NOT` `not` `!` (exclamation point)	`NOT cat` `! dog`
Topics that contain one string and do not contain another	`^` (caret)	`cat ^ mouse`
A combination of search types	`( )` parentheses	`cat + (dog \| mouse)` `cat \| dog + (! mouse)`

Service Manager9.51

Administer > Configuring installation and setup options > Server implementation options > Vertical scaling and required SSL implementation

Vertical scaling and required SSL implementation

In a vertical scaling and required SSL implementation you maximize the number of client connections supported on a single host and provided SSL-encrypted security between client and server communications.

The key features of this implementation are:

The HPE Service Manager system consists of several servlet container processes running on one physical host
The implementation allows administrators to specify a system connection limit
The HPE Service Manager system can manage a number of concurrent client connections up to the number of servlet container processes times the threadsperprocess value (For example, 6 servlet container processes supporting 50 threadsperprocess can support up to 300 client connections)
The implementation allows administrators to specify the communication ports the system uses
The implementation requires SSL-encrypted communications between HPE Service Manager clients and servers
A dedicated load balancer process manages and routes client connections to available servlet container processes
Administrators can dynamically add and remove HPE Service Manager instances from a virtual group

A vertical scaling implementation is typically used in small to medium environments where hardware system resources are limited. A vertical scaling implementation can support as many client connections as the HPE Service Manager host has available system resources.

You can convert a vertical scaling implementation into a horizontal scaling implementations with the addition of virtual grouping parameters and one or more additional servlet container instances installed on separate physical hosts.

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