Yohahaha commented on code in PR #8197:
URL: https://github.com/apache/incubator-gluten/pull/8197#discussion_r1877880638
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gluten-core/src/main/scala/org/apache/gluten/GlutenPlugin.scala:
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@@ -249,6 +249,18 @@ private[gluten] class GlutenDriverPlugin extends
DriverPlugin with Logging {
s"${COLUMNAR_VELOX_CACHE_ENABLED.key} and " +
s"${COLUMNAR_VELOX_FILE_HANDLE_CACHE_ENABLED.key} should be enabled
together.")
}
+
+ val maxLoadQuantumOfVeloxCache = 8 * 1024 * 1024
+ val loadQuantum = conf.getSizeAsBytes(LOAD_QUANTUM.key,
LOAD_QUANTUM.defaultValueString)
+ if (
+ conf.getBoolean(COLUMNAR_VELOX_CACHE_ENABLED.key, false) &&
+ loadQuantum > maxLoadQuantumOfVeloxCache
+ ) {
+ logWarning(
+ s"Velox currently only support up to 8MB load quantum size on SSD
cache, change config " +
+ s"{$LOAD_QUANTUM.key} value from loadQuantum to
$maxLoadQuantumOfVeloxCache")
+ conf.set(LOAD_QUANTUM.key, maxLoadQuantumOfVeloxCache.toString)
Review Comment:
I prefer to check load quantum in `VeloxBackend::initCache`, throws when
load quantum larger than 8m when cache enabled.
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