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[GLUTEN-8926][CH] MergeTree Parameter Configuration Optimization to Prevent Multithreading Competition for activeSession Being None #8927

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merged 1 commit into from
Mar 7, 2025
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[GLUTEN-8926][CH] MergeTree Parameter Configuration Optimization to Prevent Multithreading Competition for activeSession Being None #8927

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8 changes: 5 additions & 3 deletions backends-clickhouse/src/main/scala/org/apache/spark/sql/delta/ClickhouseSnapshot.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -84,9 +84,11 @@ case class FilterExprsAsKey(
}

object ClickhouseSnapshot {
protected def sparkSession: SparkSession = SparkSession.active

val deltaScanCache: Cache[FilterExprsAsKey, DeltaScan] = CacheBuilder.newBuilder
.maximumSize(
SparkSession.getActiveSession.get.conf
sparkSession.conf
.get(CHBackendSettings.GLUTEN_CLICKHOUSE_DELTA_SCAN_CACHE_SIZE, "10000")
.toLong)
.expireAfterAccess(7200L, TimeUnit.SECONDS)
Expand All @@ -95,7 +97,7 @@ object ClickhouseSnapshot {

val addFileToAddMTPCache: LoadingCache[AddFileAsKey, AddMergeTreeParts] = CacheBuilder.newBuilder
.maximumSize(
SparkSession.getActiveSession.get.conf
sparkSession.conf
.get(CHBackendSettings.GLUTEN_CLICKHOUSE_ADDFILES_TO_MTPS_CACHE_SIZE, "1000000")
.toLong)
.expireAfterAccess(7200L, TimeUnit.SECONDS)
Expand All @@ -109,7 +111,7 @@ object ClickhouseSnapshot {

val pathToAddMTPCache: Cache[String, AddMergeTreeParts] = CacheBuilder.newBuilder
.maximumSize(
SparkSession.getActiveSession.get.conf
sparkSession.conf
.get(CHBackendSettings.GLUTEN_CLICKHOUSE_TABLE_PATH_TO_MTPS_CACHE_SIZE, "1000000")
.toLong)
.expireAfterAccess(7200L, TimeUnit.SECONDS)
Expand Down