From 3d7ac5943cb3d52ee33ecbd58d0364474baddab2 Mon Sep 17 00:00:00 2001
From: foxspy <xianliang.li@zilliz.com>
Date: Sun, 18 Feb 2024 17:23:35 +0800
Subject: [PATCH] clear future after wait (#386)

Signed-off-by: xianliang <xianliang.li@zilliz.com>
---
 thirdparty/DiskANN/src/index.cpp            | 1 +
 thirdparty/DiskANN/src/partition_and_pq.cpp | 1 +
 2 files changed, 2 insertions(+)

diff --git a/thirdparty/DiskANN/src/index.cpp b/thirdparty/DiskANN/src/index.cpp
index 86157932..3727e4d6 100644
--- a/thirdparty/DiskANN/src/index.cpp
+++ b/thirdparty/DiskANN/src/index.cpp
@@ -1648,6 +1648,7 @@ namespace diskann {
           }
         }
         knowhere::WaitAllSuccess(futures);
+        futures.clear();
 
         diff = std::chrono::high_resolution_clock::now() - s;
         inter_time += diff.count();
diff --git a/thirdparty/DiskANN/src/partition_and_pq.cpp b/thirdparty/DiskANN/src/partition_and_pq.cpp
index e3eb0da3..5b6bcdcd 100644
--- a/thirdparty/DiskANN/src/partition_and_pq.cpp
+++ b/thirdparty/DiskANN/src/partition_and_pq.cpp
@@ -578,6 +578,7 @@ int generate_pq_data_from_pivots(const std::string data_file,
       }));
     }
     knowhere::WaitAllSuccess(futures);
+    futures.clear();
 
     if (num_centers > 256) {
       compressed_file_writer.write(