disconnect attempts nn
where nn is the maximum number of times that the client will attempt to re-establish a connection before giving up and raising a message stating there is no way to connect to the server.
nn = numeric entry from 0 to 100. The default value of zero indicates that there are no attempts and that the disconnection occurs immediately.
| Operating System | Default Value |
|---|---|
| Windows | 0 |
| Linux | 0 |
A file size limit applied to the file “errors.trc” when reporting Zim:X execution errors.
maximum error trace size nn
where nn specifies the maximum file size in Kbytes. After the limit is reached, Zim:X reports an additional error stating this overflowing threshold condition and stops reporting new errors while the program continues running normally.
This limit is imposed to avoid situations where a program in error may run endlessly thus causing potential disk exhaustion with cascading effects over other users and over the normal ZimServer execution.
A numeric value between 1 and 100000. The default value for all operating environments is 10,000 or 10 Mb.
file statistics yes | no
Specifies if statistics concerning the number of logical and physical input/output operations are to be recorded. The statistics are written to a text file called zimstats in the user’s work path.
This option provides information about the file usage in the current Zim session whereas Zim Explore provides the same information for all files of all users handled by Zim Server.
| Windows | no |
| UNIX | no |
century threshold n default century n
where n is a numeric entry (see below for more information)
These two configuration options control the century used when date-masked fields contain ‘ YY’ instead of ‘ YYYY’.
If a field is masked only with ‘ YY’ and not ‘ YYYY’, then the end-user cannot enter the century, and Zim assumes the century is 19. Application developers are strongly urged to either i) use ‘ YYYY’ to mask date fields, or ii) use the two configuration options to automatically increment the century for certain date ranges.
Note:The former approach always works, while the latter works for applications with well-defined input data that falls into certain date ranges.
The default century is a number from 0 to 99 that is copied to the century position of a date when the end-user can enter only two year digits. If the century threshold is -1, then this default century is used verbatim. If century threshold is on the range 0 to 99, then the default century is incremented if the year entered by the end-user is less than n. The table below gives examples of resulting dates given user input and the input mask of ‘MM/DD/ YY’:
| User Input | Default Century | Century Threshold | Resulting Date ( YYYYMMDD) |
| 12/12/94 | 19 | -1 | 19941212 |
| 12/12/94 | 20 | -1 | 20941212 |
| 12/12/01 | 19 | 30 | 20011212 |
| 12/12/35 | 19 | 30 | 19351212 |
| 12/12/35 | 20 | 30 | 20351212 |
In general, if your application must deal with widely-ranging dates, then use an input mask of ‘ YYYY’ to obtain expected results. However, if your application deals with dates of events occurring in the present, such as tagging orders with the order date, then an input mask of ‘ YY’ is sufficient, and set century threshold to a value, such as 50.
nn = numeric entry 0 to 99
| Windows | -1 |
| UNIX | -1 |
nn = numeric entry -1 to 99
| Windows | 19 |
| UNIX | 19 |
sort buffers nn
where nn is the maximum amount of memory (KB) that can be used when sorting data. If the requested amount of memory is not available, all available memory up to the limit specified by nn is used.
During a sorting process, fields of data to be sorted are extracted and put into sort records that are placed into sort buffers. Then, either the entire sort is performed in available memory or, if not enough memory is available, sort records spill into temporary disk files (the zimstxxx files).
A sort that occurs entirely in memory is quickest. If a sort process must use disk space, the records placed in temporary disk files must be merged back into the sorted order, resulting in reduced performance.
A high value for sort buffers has two effects:
Sort buffers space is acquired only during a sorting process and is returned once the sort is completed.
Set operations (UNION, INTERSECT, and MINUS) and the KEEP subcommand generate sort operations internally. Their speed is therefore also affected by the amount of sort buffer space.
nn = numeric entry 100 to 10000
| Windows | 1000 |
| UNIX | 1000 |
backscreen prompt yes | no
Specifies whether the ZXClient prompt will be available when upon its start-up, that is, the user will not be able to interact with the prompt. The end result is that the user must follow the instructions provided by the Zim application.
yes indicates prompt is available whereas no indicates the prompt will not be available for the user. The default value is always yes.
user name directory yes/no
It specifies that the working directory for the user starting a Zim session must be named after the user number or the user name.
For example, with :
user name directory yes
work path /usr/users
Users will get work paths like:
/usr/users/Chris
/usr/users/Deborah
instead of
/usr/users/00001
/usr/users/00002
The default setting is no.
Notice that the user names must be known by Zim in the Users entity set.
parameter size nn
where nn specifies the maximum size of any single IN-type parameter or local variable used in an application program’s procedures.
IN parameters and local variables are stored internally as VARCHAR variables with a maximum size of nn. If the size of any IN parameters or local variables is larger than the default value of nn, increase nn. Conversely, if all parameters are significantly smaller than the default size, reduce nn to save memory.
nn = numeric entry 0 to 32000
| Windows | 256 |
| UNIX | 256 |
runtime buffers nn
where nn is the number of in-memory data buffers used when writing or reading compiled programs to or from the disk. Each buffer holds 1 KB. Increasing the number of buffers improves system performance, but increases the amount of internal memory needed. Specify any whole number within the permitted range, provided that the computer has enough memory.
The general effect of this option is that, when running compiled applications, the bigger this value, more compiled programs can stay in memory at the same time thus increasing performance of the application.
nn = numeric entry 100 to 10000
| Windows | 100 |
| UNIX | 100 |
work path pathwhere path is the disk directory path to the temporary work files for a session. The work path is valid for all users accessing the database and is formed by adding the work path with the user number that is entering the database at that time. For example:
work path /usr/users
Users will get work paths like:
/usr/users/00001 /usr/users/00002
The default work path is the database itself.
Any directory path.
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