From b33bafec217aac73b279d0a01f1232d1f5dd44f1 Mon Sep 17 00:00:00 2001
From: Andrea Cavalli <andrea@cavallium.it>
Date: Mon, 26 Sep 2022 21:56:56 +0200
Subject: [PATCH] Update rocksdb

---
 pom.xml                                                     | 2 +-
 .../dbengine/database/disk/LLLocalKeyValueDatabase.java     | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index e8e707a..64328fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -237,7 +237,7 @@
 		<dependency>
 			<groupId>org.rocksdb</groupId>
 			<artifactId>rocksdbjni</artifactId>
-			<version>7.5.3</version>
+			<version>7.6.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.lucene</groupId>
diff --git a/src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java b/src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java
index 418b309..c374add 100644
--- a/src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java
+++ b/src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java
@@ -82,6 +82,7 @@ import org.rocksdb.LogFile;
 import org.rocksdb.MutableDBOptions;
 import org.rocksdb.OptimisticTransactionDB;
 import org.rocksdb.PersistentCache;
+import org.rocksdb.PrepopulateBlobCache;
 import org.rocksdb.RocksDB;
 import org.rocksdb.RocksDBException;
 import org.rocksdb.Snapshot;
@@ -230,6 +231,11 @@ public class LLLocalKeyValueDatabase extends Backuppable implements LLKeyValueDa
 				}
 				var blobFiles = columnOptions.blobFiles();
 				columnFamilyOptions.setEnableBlobFiles(blobFiles);
+				try {
+					columnFamilyOptions.setPrepopulateBlobCache(PrepopulateBlobCache.PREPOPULATE_BLOB_FLUSH_ONLY);
+				} catch (Throwable ex) {
+					logger.error("Failed to set prepopulate blob cache", ex);
+				}
 				if (blobFiles) {
 					if (columnOptions.blobFileSize().isPresent()) {
 						columnFamilyOptions.setBlobFileSize(columnOptions.blobFileSize().get());