Add deleteScanCount to improve performance on wildcard invalidation of caches.

Author: dave08

build.gradle.kts

@@ -3,7 +3,7 @@ plugins {
 }
 
 group = "org.github.dave08.kacheable"
-version = "0.1.2"
+version = "0.1.4"
 
 kotlin {
     jvmToolchain(11)

kacheable-lettuce/src/main/kotlin/com/github/dave08/kacheable/RedisKacheableStore.kt

@@ -13,6 +13,7 @@ import kotlin.time.Duration
 class RedisKacheableStore(
     private val conn: StatefulRedisConnection<String, String>,
     private val deleteFromPatternInChunksOf: Int = 20,
+    private val deleteScanCount: Long = 1000, 
 ) : KacheableStore {
 
     override suspend fun delete(key: String) {
@@ -21,7 +22,7 @@ class RedisKacheableStore(
         else withContext(Dispatchers.IO) {
             val commands = conn.sync()
 
-            ScanIterator.scan(commands, ScanArgs().match(key)).asSequence()
+            ScanIterator.scan(commands, ScanArgs().match(key).limit(deleteScanCount)).asSequence()
                 .chunked(deleteFromPatternInChunksOf)
                 .forEach { keys ->
                     if (keys.isNotEmpty()) commands.del(*(keys.toTypedArray()))