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 V6.1</var> or earlier
<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 can be set to zero if groups are not used and if NGROUP is also set to zero. LFTBL can range from 0 to 30,473,403.</p>
<p>FTBL is used for file groups.
<p>Refer to [[UTABLE command|"UTABLE: Setting the server size"]] for a discussion of changing the size of LFTBL. </p>
<ul>
<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: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.