> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kinetica.com/llms.txt
> Use this file to discover all available pages before exploring further.

# kinetica.AlterTierRequest.Options

> kinetica.AlterTierRequest.Options — Kinetica C# API

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    <p>A set of string constants for the parameter <a className="el" href="/content/api/cs/classkinetica_1_1AlterTierRequest#a4ea66f9027058b0f05612c8846d7baa1" title="Optional parameters.">AlterTierRequest.options</a>. <a href="#details">More...</a></p>

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          <h2 className="groupheader"> Static Public Attributes</h2>
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        <td className="memItemLeft" align="right" valign="top">const string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a02b98eb641be3876c44a29ffedbc8fa8">CAPACITY</a> = "capacity"</td>
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      <tr className="memdesc:a02b98eb641be3876c44a29ffedbc8fa8">
        <td className="mdescLeft"> </td>
        <td className="mdescRight">Maximum size in bytes this tier may hold at once, per rank. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">const string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a1145841aef990d52edad62335b9d4600">HIGH\_WATERMARK</a> = "high\_watermark"</td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Threshold of usage of this tier's resource that once exceeded, will trigger watermark-based eviction from this tier. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">const string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a60574cb8690f70a3b4e3b19bb5807ac3">LOW\_WATERMARK</a> = "low\_watermark"</td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Threshold of resource usage that once fallen below after crossing the <a className="el" href="#a1145841aef990d52edad62335b9d4600">HIGH\_WATERMARK</a>, will cease watermark-based eviction from this tier. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">const string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a4e6f975a1dd504a35fdc8ea6a630eb4d">WAIT\_TIMEOUT</a> = "wait\_timeout"</td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Timeout in seconds for reading from or writing to this resource. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">const string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a2e0e3a1b442ee93b4d2121c65e339bcc">PERSIST</a> = "persist"</td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">If <a className="el" href="#aeeff1b17fa6dc945e60aa7dcd0d43b13">TRUE</a> the system configuration will be written to disk upon successful application of this request. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">const string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#aeeff1b17fa6dc945e60aa7dcd0d43b13">TRUE</a> = "true"</td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">A boolean constant for the <a className="el" href="/content/api/cs/structkinetica_1_1AlterTierRequest_1_1Options" title="A set of string constants for the parameter AlterTierRequest.options.">AlterTierRequest.Options</a> options. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">const string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#ae7645ee753b53abd0a483cd0c98fe1aa">FALSE</a> = "false"</td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">A boolean constant for the <a className="el" href="/content/api/cs/structkinetica_1_1AlterTierRequest_1_1Options" title="A set of string constants for the parameter AlterTierRequest.options.">AlterTierRequest.Options</a> options. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">const string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a1e1dbfbb2f9ba648bb2e9494680b5124">RANK</a> = "rank"</td>
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      <tr className="memdesc:a1e1dbfbb2f9ba648bb2e9494680b5124">
        <td className="mdescLeft"> </td>
        <td className="mdescRight">Apply the requested change only to a specific rank. <br /></td>
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    <h2 className="groupheader">Detailed Description</h2>

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      <p>A set of string constants for the parameter <a className="el" href="/content/api/cs/classkinetica_1_1AlterTierRequest#a4ea66f9027058b0f05612c8846d7baa1" title="Optional parameters.">AlterTierRequest.options</a>. </p>
      <p>Optional parameters.</p>
      <p className="definition">Definition at line <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source#l00028">28</a> of file <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a>.</p>
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    <h2 className="groupheader">Member Data Documentation</h2>
    <h2 className="memtitle"><span className="permalink"><a href="#a02b98eb641be3876c44a29ffedbc8fa8">◆ </a></span>CAPACITY</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.CAPACITY = "capacity"</td>
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        <p>Maximum size in bytes this tier may hold at once, per rank. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source#l00032">32</a> of file <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#ae7645ee753b53abd0a483cd0c98fe1aa">◆ </a></span>FALSE</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.FALSE = "false"</td>
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        <p>A boolean constant for the <a className="el" href="/content/api/cs/structkinetica_1_1AlterTierRequest_1_1Options" title="A set of string constants for the parameter AlterTierRequest.options.">AlterTierRequest.Options</a> options. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source#l00080">80</a> of file <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a1145841aef990d52edad62335b9d4600">◆ </a></span>HIGH\_WATERMARK</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.HIGH\_WATERMARK = "high\_watermark"</td>
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        <p>Threshold of usage of this tier's resource that once exceeded, will trigger watermark-based eviction from this tier. </p>
        <p>The minimum allowed value is '0'. The maximum allowed value is '100'.</p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source#l00039">39</a> of file <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a60574cb8690f70a3b4e3b19bb5807ac3">◆ </a></span>LOW\_WATERMARK</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.LOW\_WATERMARK = "low\_watermark"</td>
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            <td className="mlabels-right"> <span className="mlabels"><span className="mlabel static">static</span></span> </td>
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        <p>Threshold of resource usage that once fallen below after crossing the <a className="el" href="#a1145841aef990d52edad62335b9d4600">HIGH\_WATERMARK</a>, will cease watermark-based eviction from this tier. </p>
        <p>The minimum allowed value is '0'. The maximum allowed value is '100'.</p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source#l00047">47</a> of file <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a2e0e3a1b442ee93b4d2121c65e339bcc">◆ </a></span>PERSIST</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.PERSIST = "persist"</td>
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            <td className="mlabels-right"> <span className="mlabels"><span className="mlabel static">static</span></span> </td>
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        <p>If <a className="el" href="#aeeff1b17fa6dc945e60aa7dcd0d43b13">TRUE</a> the system configuration will be written to disk upon successful application of this request. </p>
        <p>This will commit the changes from this request and any additional in-memory modifications. Supported values:</p>

        <ul>
          <li> <a className="el" href="#aeeff1b17fa6dc945e60aa7dcd0d43b13">TRUE</a> </li>
          <li> <a className="el" href="#ae7645ee753b53abd0a483cd0c98fe1aa">FALSE</a> </li>
        </ul>

        <p>The default value is <a className="el" href="#aeeff1b17fa6dc945e60aa7dcd0d43b13">TRUE</a>.</p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source#l00072">72</a> of file <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a1e1dbfbb2f9ba648bb2e9494680b5124">◆ </a></span>RANK</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.RANK = "rank"</td>
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            <td className="mlabels-right"> <span className="mlabels"><span className="mlabel static">static</span></span> </td>
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        <p>Apply the requested change only to a specific rank. </p>
        <p>The minimum allowed value is '0'. The maximum allowed value is '10000'.</p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source#l00086">86</a> of file <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#aeeff1b17fa6dc945e60aa7dcd0d43b13">◆ </a></span>TRUE</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.TRUE = "true"</td>
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            <td className="mlabels-right"> <span className="mlabels"><span className="mlabel static">static</span></span> </td>
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        <p>A boolean constant for the <a className="el" href="/content/api/cs/structkinetica_1_1AlterTierRequest_1_1Options" title="A set of string constants for the parameter AlterTierRequest.options.">AlterTierRequest.Options</a> options. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source#l00076">76</a> of file <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a4e6f975a1dd504a35fdc8ea6a630eb4d">◆ </a></span>WAIT\_TIMEOUT</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.WAIT\_TIMEOUT = "wait\_timeout"</td>
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        <p>Timeout in seconds for reading from or writing to this resource. </p>
        <p>Applies to cold storage tiers only.</p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source#l00052">52</a> of file <a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a>.</p>
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    <hr />

    The documentation for this struct was generated from the following files:

    <ul>
      <li>\_build/public-os\_ubuntu24.04-arch\_amd64-cc\_gcc\_13.3.0/install/Kinetica/Protocol/<a className="el" href="/content/api/cs/__build_2public-os__ubuntu24_804-arch__amd64-cc__gcc__13_83_80_2install_2Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a></li>
      <li>Kinetica/Protocol/<a className="el" href="/content/api/cs/Kinetica_2Protocol_2AlterTier_8cs_source">AlterTier.cs</a></li>
    </ul>
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