Chapter 3

Section 3.5

Setting Properties of the VSAM eWay

eWay Environment Properties

Table 6 VSAM CP eWay—JDBC Connector Settings (Continued)

Name

Description

Required Value

 

 

 

MinPoolSize

Specifies the minimum number of

A valid numeric value. The default is 0.

 

physical connections the pool

 

 

should keep available at all times. 0

 

 

(zero) indicates that there should be

 

 

no physical connections in the pool

 

 

and the new connections should be

 

 

created as needed.

 

 

If the pool size is too small, you may

 

 

experience a longer connection time

 

 

due to the existing number of

 

 

physical connections.

 

 

A connection that stays in the pool

 

 

allows transactions to use it via a

 

 

logical connection (which is faster).

 

 

 

 

MaxPoolSize

Specifies the maximum number of

A valid numeric value. The default is

 

physical connections the pool

10.

 

should keep available at all times. 0

 

 

(zero) indicates that there is no

 

 

maximum.

 

 

If the pool size is too big, you may

 

 

end up with too many connections

 

 

with the database. The pool size

 

 

depends on the transaction volume

 

 

and response time.

 

 

 

 

MaxIdleTime

Specifies the maximum number of

A valid numeric value. The default is 0.

 

seconds that a physical connection

 

 

may remain unused before it is

 

 

closed. 0 (zero) indicates that there is

 

 

no limit.

 

 

 

 

Connection Retry Settings

Details for the VSAM CP eWay Connection Retry Settings used by the external database are detailed in Table 7.

Table 7 VSAM CP eWay—Connection Retry Settings

Name

Description

Required Value

 

 

 

ConnectionRetries

Specifies the number of retries to

A valid numeric value. The

 

establish a connection upon failure

default is 0.

 

to acquire one.

 

 

 

 

VSAM eWay Adapter User’s Guide

29

Sun Microsystems, Inc.

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Sun Microsystems 5.1.3 manual Vsam CP eWay-Connection Retry Settings

5.1.3 specifications

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