> ## 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#ac7380baec5f7cd6b2a762952c6eecef6" title="Optional parameters.">AlterTierRequest.options</a>. <a href="#details">More...</a></p>

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            Static Public Attributes
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        <td className="memItemLeft" align="right" valign="top">const string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a28b1f6de39554f4d66fada8519421aea">CAPACITY</a> = "capacity"</td>
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        <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="#ae53eb8ecb672d9194a3a9dfd939ffc21">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="#abe9d7bb54d8d3cfda92aeb972396cd72">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="#ae53eb8ecb672d9194a3a9dfd939ffc21">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="#a2168a08da54969507092f6db7f5b8022">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="#a544b4cc81e338d24636c6b0dd08b3d3e">PERSIST</a> = "persist"</td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">If <a className="el" href="#a81c7225cd0dfdbf04dcd6b6d4f30fab5">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="#a81c7225cd0dfdbf04dcd6b6d4f30fab5">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="#a49f869fcaef16bf7fd56d5d3d358339c">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="#a37a66d940e25508439e7154f685a8aaf">RANK</a> = "rank"</td>
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        <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#ac7380baec5f7cd6b2a762952c6eecef6" title="Optional parameters.">AlterTierRequest.options</a>. </p>
      <p>Optional parameters.</p>
      <p className="definition">Definition at line <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs#L28">28</a> of file <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs">AlterTier.cs</a>.</p>
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    <h2 className="groupheader">Member Data Documentation</h2>

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    <h2 className="memtitle"><span className="permalink"><a href="#a28b1f6de39554f4d66fada8519421aea">◆ </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="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs#L32">32</a> of file <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a49f869fcaef16bf7fd56d5d3d358339c">◆ </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="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs#L80">80</a> of file <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#ae53eb8ecb672d9194a3a9dfd939ffc21">◆ </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="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs#L39">39</a> of file <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#abe9d7bb54d8d3cfda92aeb972396cd72">◆ </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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        <p>Threshold of resource usage that once fallen below after crossing the <a className="el" href="#ae53eb8ecb672d9194a3a9dfd939ffc21">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="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs#L47">47</a> of file <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a544b4cc81e338d24636c6b0dd08b3d3e">◆ </a></span>PERSIST</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.PERSIST = "persist"</td>
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        <p>If <a className="el" href="#a81c7225cd0dfdbf04dcd6b6d4f30fab5">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="#a81c7225cd0dfdbf04dcd6b6d4f30fab5">TRUE</a> </li>
          <li> <a className="el" href="#a49f869fcaef16bf7fd56d5d3d358339c">FALSE</a> </li>
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        <p>The default value is <a className="el" href="#a81c7225cd0dfdbf04dcd6b6d4f30fab5">TRUE</a>.</p>
        <p className="definition">Definition at line <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs#L72">72</a> of file <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a37a66d940e25508439e7154f685a8aaf">◆ </a></span>RANK</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.RANK = "rank"</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="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs#L86">86</a> of file <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a81c7225cd0dfdbf04dcd6b6d4f30fab5">◆ </a></span>TRUE</h2>

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                  <td className="memname">const string kinetica.AlterTierRequest.Options.TRUE = "true"</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="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs#L76">76</a> of file <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs">AlterTier.cs</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a2168a08da54969507092f6db7f5b8022">◆ </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="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs#L52">52</a> of file <a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs">AlterTier.cs</a>.</p>
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    <hr />

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

    <ul>
      <li>Kinetica/Protocol/<a className="el" href="https://github.com/kineticadb/kinetica-api-cs/blob/master/Kinetica/Protocol/AlterTier.cs">AlterTier.cs</a></li>
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