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[MINOR][DOCS] Document minimum executor memory requirement #53017

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[MINOR][DOCS] Document minimum executor memory requirement #53017

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7d4c221
document minimum allowable executor memory
Nov 10, 2025
4e8f726
document minimum allowable executor memory
Nov 12, 2025
c0548b6
address review comments
Nov 12, 2025
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address review comments
Nov 12, 2025
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3 changes: 2 additions & 1 deletion core/src/main/scala/org/apache/spark/internal/config/package.scala
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Expand Up @@ -407,7 +407,8 @@ package object config {
.createWithDefault(1)

private[spark] val EXECUTOR_MEMORY = ConfigBuilder(SparkLauncher.EXECUTOR_MEMORY)
.doc("Amount of memory to use per executor process, in MiB unless otherwise specified.")
.doc("Amount of memory to use per executor process, in MiB unless otherwise specified, " +
"and with minimum value 450m")
.version("0.7.0")
.bytesConf(ByteUnit.MiB)
.createWithDefaultString("1g")
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3 changes: 2 additions & 1 deletion docs/configuration.md
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Expand Up @@ -282,7 +282,8 @@ of the most common options to set are:
<td>1g</td>
<td>
Amount of memory to use per executor process, in the same format as JVM memory strings with
a size unit suffix ("k", "m", "g" or "t") (e.g. <code>512m</code>, <code>2g</code>).
a size unit suffix ("k", "m", "g" or "t") (e.g. <code>512m</code>, <code>2g</code>),
and with minimum value <code>450m</code>.
</td>
<td>0.7.0</td>
</tr>
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