From 75fe19b56bc2dca0a9ae3ae43fab1f71cc892f9c Mon Sep 17 00:00:00 2001
From: Sergey Matvienko <smatvienko@thingsboard.io>
Date: Thu, 5 Oct 2023 10:41:29 +0200
Subject: [PATCH] SQL_ATTRIBUTES_BATCH_SIZE decreased from 10k down to 1k to
 improve concurrent updates on maximum load

---
 application/src/main/resources/thingsboard.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/application/src/main/resources/thingsboard.yml b/application/src/main/resources/thingsboard.yml
index 0b012ba96c..9827a58a53 100644
--- a/application/src/main/resources/thingsboard.yml
+++ b/application/src/main/resources/thingsboard.yml
@@ -268,8 +268,8 @@ cassandra:
 sql:
   # Specify batch size for persisting attribute updates
   attributes:
-    batch_size: "${SQL_ATTRIBUTES_BATCH_SIZE:10000}"
-    batch_max_delay: "${SQL_ATTRIBUTES_BATCH_MAX_DELAY_MS:100}"
+    batch_size: "${SQL_ATTRIBUTES_BATCH_SIZE:1000}"
+    batch_max_delay: "${SQL_ATTRIBUTES_BATCH_MAX_DELAY_MS:50}"
     stats_print_interval_ms: "${SQL_ATTRIBUTES_BATCH_STATS_PRINT_MS:10000}"
     batch_threads: "${SQL_ATTRIBUTES_BATCH_THREADS:3}" # batch thread count have to be a prime number like 3 or 5 to gain perfect hash distribution
     value_no_xss_validation: "${SQL_ATTRIBUTES_VALUE_NO_XSS_VALIDATION:false}"