Prevent compactions in leveldb

haraldF · Apr 17, 2024 · 77e2b44 · 77e2b44
1 parent e205ffe
commit 77e2b44
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Showing 2 changed files with 16 additions and 0 deletions.
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
@@ -36,6 +36,7 @@ set (LEVELDB_REQUIRED_FLAGS
 ExternalProject_Add(leveldb_external
   GIT_REPOSITORY    ${LEVELDB_URL}
   GIT_TAG           ${LEVELDB_TAG}
+  PATCH_COMMAND     patch -p1 < ${CMAKE_CURRENT_SOURCE_DIR}/leveldb.compaction.patch
   CMAKE_ARGS        ${CMAKE_ARGS}
                     ${LEVELDB_CMAKE_ARGS}
                     "-DCMAKE_INSTALL_PREFIX=${EXTERNAL_INSTALL_DIR}"

diff --git a/external/leveldb.compaction.patch b/external/leveldb.compaction.patch
@@ -0,0 +1,15 @@
+diff --git a/db/db_impl.cc b/db/db_impl.cc
+index 3468862..aa95d7c 100644
+--- a/db/db_impl.cc
++++ b/db/db_impl.cc
+@@ -662,8 +662,8 @@ void DBImpl::MaybeScheduleCompaction() {
+              !versions_->NeedsCompaction()) {
+     // No work to be done
+   } else {
+-    background_compaction_scheduled_ = true;
+-    env_->Schedule(&DBImpl::BGWork, this);
++//    background_compaction_scheduled_ = true;
++//    env_->Schedule(&DBImpl::BGWork, this);
+   }
+ }
+