diff --git a/komga/build.gradle.kts b/komga/build.gradle.kts
index ce683c45..8cec05d0 100644
--- a/komga/build.gradle.kts
+++ b/komga/build.gradle.kts
@@ -56,6 +56,8 @@ dependencies {
 
   implementation("commons-io:commons-io:2.6")
 
+  implementation("org.apache.commons:commons-lang3:3.9")
+
   implementation("org.apache.tika:tika-core:1.22")
   implementation("com.github.junrar:junrar:4.0.0")
   implementation("net.grey-panther:natural-comparator:1.1")
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/service/BookManager.kt b/komga/src/main/kotlin/org/gotson/komga/domain/service/BookManager.kt
index 7fac8738..1e93e11b 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/service/BookManager.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/service/BookManager.kt
@@ -1,11 +1,14 @@
 package org.gotson.komga.domain.service
 
 import mu.KotlinLogging
+import org.apache.commons.lang3.time.DurationFormatUtils
 import org.gotson.komga.domain.model.Book
 import org.gotson.komga.domain.model.BookMetadata
 import org.gotson.komga.domain.model.Status
 import org.gotson.komga.domain.persistence.BookRepository
 import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import kotlin.system.measureTimeMillis
 
 private val logger = KotlinLogging.logger {}
 
@@ -15,18 +18,21 @@ class BookManager(
     private val bookParser: BookParser
 ) {
 
+  @Transactional
   fun parseAndPersist(book: Book) {
     logger.info { "Parse and persist book: ${book.url}" }
-    try {
-      book.metadata = bookParser.parse(book)
-    } catch (ex: UnsupportedMediaTypeException) {
-      logger.info(ex) { "Unsupported media type: ${ex.mediaType}" }
-      book.metadata = BookMetadata(status = Status.UNSUPPORTED, mediaType = ex.mediaType)
-    } catch (ex: Exception) {
-      logger.error(ex) { "Error while parsing" }
-      book.metadata = BookMetadata(status = Status.ERROR)
-    }
-    bookRepository.save(book)
+    measureTimeMillis {
+      try {
+        book.metadata = bookParser.parse(book)
+      } catch (ex: UnsupportedMediaTypeException) {
+        logger.info(ex) { "Unsupported media type: ${ex.mediaType}" }
+        book.metadata = BookMetadata(status = Status.UNSUPPORTED, mediaType = ex.mediaType)
+      } catch (ex: Exception) {
+        logger.error(ex) { "Error while parsing" }
+        book.metadata = BookMetadata(status = Status.ERROR)
+      }
+      bookRepository.save(book)
+    }.also { logger.info { "Parsing finished in ${DurationFormatUtils.formatDurationHMS(it)}" } }
   }
 
 }
\ No newline at end of file
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/service/BookParser.kt b/komga/src/main/kotlin/org/gotson/komga/domain/service/BookParser.kt
index f79a5605..af8a9ce9 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/service/BookParser.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/service/BookParser.kt
@@ -40,6 +40,7 @@ class BookParser(
     val pages = supportedMediaTypes.getValue(mediaType).getPagesList(book.path())
     logger.info { "Book has ${pages.size} pages" }
 
+    logger.info { "Trying to generate cover for book: ${book.url}" }
     val thumbnail = try {
       ByteArrayOutputStream().use {
         supportedMediaTypes.getValue(mediaType).getPageStream(book.path(), pages.first().fileName).let { cover ->
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt b/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt
index e85233e6..9540fa17 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt
@@ -3,6 +3,7 @@ package org.gotson.komga.domain.service
 import mu.KotlinLogging
 import net.greypanther.natsort.CaseInsensitiveSimpleNaturalComparator
 import org.apache.commons.io.FilenameUtils
+import org.apache.commons.lang3.time.DurationFormatUtils
 import org.gotson.komga.domain.model.Book
 import org.gotson.komga.domain.model.Serie
 import org.springframework.stereotype.Service
@@ -60,7 +61,7 @@ class FileSystemScanner {
           }.toList()
     }.also {
       val countOfBooks = scannedSeries.sumBy { it.books.size }
-      logger.info { "Scanned ${scannedSeries.size} series and $countOfBooks books in $it ms" }
+      logger.info { "Scanned ${scannedSeries.size} series and $countOfBooks books in ${DurationFormatUtils.formatDurationHMS(it)}" }
     }
 
     return scannedSeries
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/service/LibraryManager.kt b/komga/src/main/kotlin/org/gotson/komga/domain/service/LibraryManager.kt
index 7c5ef6f9..40e40434 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/service/LibraryManager.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/service/LibraryManager.kt
@@ -1,6 +1,7 @@
 package org.gotson.komga.domain.service
 
 import mu.KotlinLogging
+import org.apache.commons.lang3.time.DurationFormatUtils
 import org.gotson.komga.domain.model.Library
 import org.gotson.komga.domain.model.Status
 import org.gotson.komga.domain.persistence.BookRepository
@@ -75,15 +76,14 @@ class LibraryManager(
           }
         }
       }
-    }.also { logger.info { "Library update finished in $it ms" } }
+    }.also { logger.info { "Library update finished in ${DurationFormatUtils.formatDurationHMS(it)}" } }
   }
 
-  @Transactional
   fun parseUnparsedBooks() {
     logger.info { "Parsing all books in status: unkown" }
     val booksToParse = bookRepository.findAllByMetadataStatus(Status.UNKNOWN)
     measureTimeMillis {
       booksToParse.forEach { bookManager.parseAndPersist(it) }
-    }.also { logger.info { "Parsed ${booksToParse.size} books in $it ms" } }
+    }.also { logger.info { "Parsed ${booksToParse.size} books in ${DurationFormatUtils.formatDurationHMS(it)}" } }
   }
 }
\ No newline at end of file