ericm-db commented on code in PR #48401:
URL: https://github.com/apache/spark/pull/48401#discussion_r1855281008
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDBStateStoreProvider.scala:
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@@ -593,6 +671,17 @@ object RocksDBStateStoreProvider {
val STATE_ENCODING_VERSION: Byte = 0
val VIRTUAL_COL_FAMILY_PREFIX_BYTES = 2
+ private val MAX_AVRO_ENCODERS_IN_CACHE = 1000
+ // Add the cache at companion object level so it persists across provider
instances
+ private val avroEncoderMap: NonFateSharingCache[String, AvroEncoder] = {
+ val guavaCache = CacheBuilder.newBuilder()
+ .maximumSize(MAX_AVRO_ENCODERS_IN_CACHE) // Adjust size based on your
needs
+ .expireAfterAccess(1, TimeUnit.HOURS) // Optional: Add expiration if
needed
+ .build[String, AvroEncoder]()
Review Comment:
Sure, will do.
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