diff --git a/conanfile.py b/conanfile.py
index c86cbf553..7d930b3af 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -9,7 +9,7 @@
 
 class HomestoreConan(ConanFile):
     name = "homestore"
-    version = "6.6.17"
+    version = "6.6.18"
 
     homepage = "https://github.com/eBay/Homestore"
     description = "HomeStore Storage Engine"
diff --git a/src/include/homestore/replication/repl_dev.h b/src/include/homestore/replication/repl_dev.h
index d05be3fde..b5cff2f25 100644
--- a/src/include/homestore/replication/repl_dev.h
+++ b/src/include/homestore/replication/repl_dev.h
@@ -477,6 +477,9 @@ class ReplDev {
     /// @return true if ready, false otherwise
     virtual bool is_ready_for_traffic() const = 0;
 
+    /// @brief Purge all unnecessary stuff on this repl dev.
+    virtual void purge() = 0;
+
     virtual void attach_listener(shared< ReplDevListener > listener) { m_listener = std::move(listener); }
 
     virtual void detach_listener() {
diff --git a/src/lib/replication/log_store/home_raft_log_store.cpp b/src/lib/replication/log_store/home_raft_log_store.cpp
index 55cd690e4..be7039059 100644
--- a/src/lib/replication/log_store/home_raft_log_store.cpp
+++ b/src/lib/replication/log_store/home_raft_log_store.cpp
@@ -380,6 +380,13 @@ ulong HomeRaftLogStore::last_durable_index() {
     return to_repl_lsn(m_last_durable_lsn);
 }
 
+void HomeRaftLogStore::purge_all_logs() {
+    auto last_lsn = m_log_store->get_contiguous_issued_seq_num(m_last_durable_lsn);
+    REPL_STORE_LOG(INFO, "Store={} LogDev={}: Purging all logs in the log store, last_lsn={}",
+                   m_logstore_id, m_logdev_id, last_lsn);
+    m_log_store->truncate(last_lsn, false /* in_memory_truncate_only */);
+}
+
 void HomeRaftLogStore::wait_for_log_store_ready() { m_log_store_future.wait(); }
 
 void HomeRaftLogStore::set_last_durable_lsn(repl_lsn_t lsn) { m_last_durable_lsn = to_store_lsn(lsn); }
diff --git a/src/lib/replication/log_store/home_raft_log_store.h b/src/lib/replication/log_store/home_raft_log_store.h
index d2c0fd57b..7fb96a5d4 100644
--- a/src/lib/replication/log_store/home_raft_log_store.h
+++ b/src/lib/replication/log_store/home_raft_log_store.h
@@ -215,6 +215,12 @@ class HomeRaftLogStore : public nuraft::log_store {
     void truncate(uint32_t num_reserved_cnt, repl_lsn_t compact_lsn);
 #endif
 
+    /**
+     * Purge all logs in the log store
+     * It is a dangerous operation and is only used in baseline resync now (purge all logs and restore by snapshot).
+     */
+    void purge_all_logs();
+
     void wait_for_log_store_ready();
     void set_last_durable_lsn(repl_lsn_t lsn);
 
diff --git a/src/lib/replication/repl_dev/raft_repl_dev.h b/src/lib/replication/repl_dev/raft_repl_dev.h
index 619da7843..4c838cb44 100644
--- a/src/lib/replication/repl_dev/raft_repl_dev.h
+++ b/src/lib/replication/repl_dev/raft_repl_dev.h
@@ -198,6 +198,10 @@ class RaftReplDev : public ReplDev,
         if (!ready) { RD_LOGD("Not yet ready for traffic, committed to {} but gate is {}", committed_lsn, gate); }
         return ready;
     }
+    void purge() override {
+        // purge existing logs in log store
+        m_data_journal->purge_all_logs();
+    }
 
     //////////////// Accessor/shortcut methods ///////////////////////
     nuraft_mesg::repl_service_ctx* group_msg_service();
diff --git a/src/lib/replication/repl_dev/solo_repl_dev.h b/src/lib/replication/repl_dev/solo_repl_dev.h
index e5f33fb63..f252dd209 100644
--- a/src/lib/replication/repl_dev/solo_repl_dev.h
+++ b/src/lib/replication/repl_dev/solo_repl_dev.h
@@ -54,6 +54,7 @@ class SoloReplDev : public ReplDev {
         return std::vector< peer_info >{peer_info{.id_ = m_group_id, .replication_idx_ = 0, .last_succ_resp_us_ = 0}};
     }
     bool is_ready_for_traffic() const override { return true; }
+    void purge() override {}
 
     uuid_t group_id() const override { return m_group_id; }