From 81d1b31d65d4e574baf71be7895f2909b20162ff Mon Sep 17 00:00:00 2001
From: evenyag <realevenyag@gmail.com>
Date: Wed, 29 Nov 2023 19:44:57 +0800
Subject: [PATCH] chore: parallel builder logs

---
 src/mito2/src/read/seq_scan.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mito2/src/read/seq_scan.rs b/src/mito2/src/read/seq_scan.rs
index 5737b2267b..5281055b37 100644
--- a/src/mito2/src/read/seq_scan.rs
+++ b/src/mito2/src/read/seq_scan.rs
@@ -211,6 +211,8 @@ impl SeqScan {
 
     /// Builds a [BoxedBatchReader] that can scan memtables and SSTs in parallel.
     async fn build_parallel_reader(&self) -> Result<BoxedBatchReader> {
+        debug!("Build parallel reader, parallelism: {}", self.parallelism);
+
         assert!(self.parallelism > 1);
         let semaphore = Arc::new(Semaphore::new(self.parallelism));