diff --git a/foundation-heimdall/src/main/kotlin/cloud/kubelet/foundation/heimdall/FoundationHeimdallPlugin.kt b/foundation-heimdall/src/main/kotlin/cloud/kubelet/foundation/heimdall/FoundationHeimdallPlugin.kt
index 6f5b135..5b99b1f 100644
--- a/foundation-heimdall/src/main/kotlin/cloud/kubelet/foundation/heimdall/FoundationHeimdallPlugin.kt
+++ b/foundation-heimdall/src/main/kotlin/cloud/kubelet/foundation/heimdall/FoundationHeimdallPlugin.kt
@@ -65,6 +65,7 @@ class FoundationHeimdallPlugin : JavaPlugin(), Listener {
       password = config.db.password
       schema = "heimdall"
       maximumPoolSize = 10
+      idleTimeout = Duration.ofMinutes(5).toMillis()
       maxLifetime = Duration.ofMinutes(10).toMillis()
     })
     val initMigrationContent = FoundationHeimdallPlugin::class.java.getResourceAsStream(
diff --git a/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/GjallarhornCommand.kt b/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/GjallarhornCommand.kt
index d220edf..126e76d 100644
--- a/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/GjallarhornCommand.kt
+++ b/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/GjallarhornCommand.kt
@@ -28,6 +28,7 @@ class GjallarhornCommand : CliktCommand(invokeWithoutSubcommand = true) {
       password = jdbcConnectionPassword
       minimumIdle = dbPoolSize / 2
       maximumPoolSize = dbPoolSize
+      idleTimeout = Duration.ofMinutes(5).toMillis()
       maxLifetime = Duration.ofMinutes(10).toMillis()
     })
     val db = Database.connect(pool)
diff --git a/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/commands/ChunkExportLoaderCommand.kt b/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/commands/ChunkExportLoaderCommand.kt
index c452fb4..a52dcb6 100644
--- a/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/commands/ChunkExportLoaderCommand.kt
+++ b/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/commands/ChunkExportLoaderCommand.kt
@@ -5,7 +5,6 @@ import cloud.kubelet.foundation.gjallarhorn.export.CombinedChunkFormat
 import cloud.kubelet.foundation.gjallarhorn.state.BlockExpanse
 import cloud.kubelet.foundation.gjallarhorn.state.BlockLogTracker
 import cloud.kubelet.foundation.gjallarhorn.state.ChangelogSlice
-import cloud.kubelet.foundation.gjallarhorn.state.SparseBlockStateMap
 import cloud.kubelet.foundation.gjallarhorn.util.savePngFile
 import com.github.ajalt.clikt.core.CliktCommand
 import com.github.ajalt.clikt.core.requireObject
@@ -31,10 +30,8 @@ class ChunkExportLoaderCommand : CliktCommand("Chunk Export Loader", name = "chu
   private val saveCombinedFormat by option("--save-combined-format").flag()
 
   override fun run() {
-    val format: CombinedChunkFormat
-
     val combinedFormatFile = exportDirectoryPath.resolve("combined.json").toFile()
-    format = if (loadCombinedFormat) {
+    val format = if (loadCombinedFormat) {
       Json.decodeFromStream(CombinedChunkFormat.serializer(), combinedFormatFile.inputStream())
     } else {
       val tracker = BlockLogTracker(isConcurrent = true)
diff --git a/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/export/ChunkExportLoader.kt b/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/export/ChunkExportLoader.kt
index 1bb3d3a..0387483 100644
--- a/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/export/ChunkExportLoader.kt
+++ b/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/export/ChunkExportLoader.kt
@@ -1,6 +1,9 @@
 package cloud.kubelet.foundation.gjallarhorn.export
 
-import cloud.kubelet.foundation.gjallarhorn.state.*
+import cloud.kubelet.foundation.gjallarhorn.state.BlockCoordinate
+import cloud.kubelet.foundation.gjallarhorn.state.BlockLogTracker
+import cloud.kubelet.foundation.gjallarhorn.state.BlockState
+import cloud.kubelet.foundation.gjallarhorn.state.SparseBlockStateMap
 import cloud.kubelet.foundation.heimdall.export.ExportedChunk
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.decodeFromStream
@@ -10,7 +13,9 @@ import java.util.zip.GZIPInputStream
 import kotlin.io.path.inputStream
 import kotlin.io.path.listDirectoryEntries
 
-class ChunkExportLoader(val map: SparseBlockStateMap? = null, val tracker: BlockLogTracker? = null) {
+class ChunkExportLoader(
+  val map: SparseBlockStateMap? = null,
+  val tracker: BlockLogTracker? = null) {
   fun loadAllChunksForWorld(path: Path, world: String, fast: Boolean = false, limit: Int? = null) {
     var chunkFiles = path.listDirectoryEntries("${world}_chunk_*.json.gz")
     if (limit != null) {
diff --git a/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/state/BlockCoordinate.kt b/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/state/BlockCoordinate.kt
index 7c569b5..3ef2d82 100644
--- a/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/state/BlockCoordinate.kt
+++ b/tool-gjallarhorn/src/main/kotlin/cloud/kubelet/foundation/gjallarhorn/state/BlockCoordinate.kt
@@ -35,5 +35,13 @@ data class BlockCoordinate(
 
       return BlockCoordinate(x, y, z)
     }
+
+    fun minOf(coordinates: List<BlockCoordinate>): BlockCoordinate {
+      val x = coordinates.minOf { it.x }
+      val y = coordinates.minOf { it.y }
+      val z = coordinates.minOf { it.z }
+
+      return BlockCoordinate(x, y, z)
+    }
   }
 }