From f1d94edc23ab469e0c7b85ab3c6f7d4ad24e16ef Mon Sep 17 00:00:00 2001 From: Shuai li Date: Wed, 11 Sep 2024 10:00:52 +0800 Subject: [PATCH] [GLUTEN-7177][CH] Fix read hdfs performance issue (#7187) --- cpp-ch/local-engine/Common/CHUtil.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/cpp-ch/local-engine/Common/CHUtil.cpp b/cpp-ch/local-engine/Common/CHUtil.cpp index 68ed66c45f6b..b702082d6ff3 100644 --- a/cpp-ch/local-engine/Common/CHUtil.cpp +++ b/cpp-ch/local-engine/Common/CHUtil.cpp @@ -722,6 +722,7 @@ void BackendInitializerUtil::initSettings(std::map & b settings.set(MERGETREE_MERGE_AFTER_INSERT, true); settings.set(MERGETREE_INSERT_WITHOUT_LOCAL_STORAGE, false); settings.set(DECIMAL_OPERATIONS_ALLOW_PREC_LOSS, true); + settings.set("remote_filesystem_read_prefetch", false); for (const auto & [key, value] : backend_conf_map) {