(doris) branch master updated: [fix](flush) Fix the issue of incorrect calculation of the number of flush threads in cloud mode (#59524)

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dataroaring pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/doris.git


The following commit(s) were added to refs/heads/master by this push:
     new 3a86ab6c035 [fix](flush) Fix the issue of incorrect calculation of the number of flush threads in cloud mode (#59524)
3a86ab6c035 is described below

commit 3a86ab6c035fd33b64f8d92e1ca41222cfa7de6f
Author: Refrain <11...@users.noreply.github.com>
AuthorDate: Wed Jan 21 02:13:39 2026 +0800

    [fix](flush) Fix the issue of incorrect calculation of the number of flush threads in cloud mode (#59524)
    
    ### What problem does this PR solve?
    
    Issue Number: close #xxx
    
    Related PR: #xxx https://github.com/apache/doris/pull/38789
---
 be/src/runtime/workload_group/workload_group.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/be/src/runtime/workload_group/workload_group.cpp b/be/src/runtime/workload_group/workload_group.cpp
index 6ab5c82806b..9b507bbd537 100644
--- a/be/src/runtime/workload_group/workload_group.cpp
+++ b/be/src/runtime/workload_group/workload_group.cpp
@@ -422,7 +422,12 @@ WorkloadGroupInfo WorkloadGroupInfo::parse_topic_info(
     int num_disk = 1;
     int num_cpus = 1;
 #ifndef BE_TEST
-    num_disk = ExecEnv::GetInstance()->storage_engine().get_disk_num();
+    if (config::is_cloud_mode()) {
+        // In cloud mode, use cache disk count instead of data disk count
+        num_disk = cast_set<int>(io::FileCacheFactory::instance()->get_cache_instance_size());
+    } else {
+        num_disk = ExecEnv::GetInstance()->storage_engine().get_disk_num();
+    }
     num_cpus = std::thread::hardware_concurrency();
 #endif
     num_disk = std::max(1, num_disk);


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