LFTBL parameter: Difference between revisions
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{{Template:LFTBL parameter subtitle}} | |||
==Summary== | ==Summary== | ||
<dl> | <dl> | ||
| Line 6: | Line 7: | ||
<dd>Utable | <dd>Utable | ||
<dt>Where set | <dt>Where set | ||
<dd>On user's parameter line or reset by UTABLE command | <dd>On user's parameter line or reset by <var>[[UTABLE_command|UTABLE]]</var> command | ||
<dt>Related products | <dt>Related products | ||
<dd>All | <dd>All | ||
<dt>Introduced | <dt>Introduced | ||
<dd><var class="product">Model 204 | <dd><var class="product">Model 204 V2.2</var> or earlier | ||
</dl> | </dl> | ||
==Description== | ==Description== | ||
<p>The size of FTBL in bytes</p> | <p>The size of FTBL in bytes</p> | ||
<p>FTBL is used for file groups. LFTBL | <p>FTBL is used for file groups. | ||
<p>Refer to [[UTABLE command| | <ul> | ||
[[Category:Utable | <li>The minimum value of <var>LFTBL</var> is <code>4 * <i>nGroup</i></code>, where <i>nGroup</i> is the value of the <var>[[NGROUP_parameter|NGROUP]]</var> parameter.</li> | ||
<li>The maximum value is 30,473,403</li> | |||
<li>In addition to the reserved <i>nGroup</i> bytes in FTBL, each open group requires <code>62 + 2 * <i>nFilesInGroup</i></code>, where <i>nFilesInGroup</i> is the number of files in the group.</li> | |||
<li>In addition to those storage requirements in FTBL, each group field referenced in a SOUL request requires additional space in FTBL. | |||
</ul> | |||
</p> | |||
<p> | |||
Refer to [[UTABLE command|UTABLE: Setting the server size]] for a discussion of changing the size of LFTBL. </p> | |||
[[Category:Utable parameters]] | |||
[[Category:Parameters]] | [[Category:Parameters]] | ||
Latest revision as of 16:41, 20 July 2020
Length of FTBL
Summary
- Default value
- 1000
- Parameter type
- Utable
- Where set
- On user's parameter line or reset by UTABLE command
- Related products
- All
- Introduced
- Model 204 V2.2 or earlier
Description
The size of FTBL in bytes
FTBL is used for file groups.
- The minimum value of LFTBL is
4 * nGroup, where nGroup is the value of the NGROUP parameter. - The maximum value is 30,473,403
- In addition to the reserved nGroup bytes in FTBL, each open group requires
62 + 2 * nFilesInGroup, where nFilesInGroup is the number of files in the group. - In addition to those storage requirements in FTBL, each group field referenced in a SOUL request requires additional space in FTBL.
Refer to UTABLE: Setting the server size for a discussion of changing the size of LFTBL.