From c4432277d71c3a38103300d554784a511642db83 Mon Sep 17 00:00:00 2001
From: nicktrn <55853254+nicktrn@users.noreply.github.com>
Date: Tue, 24 Jun 2025 11:59:46 +0100
Subject: [PATCH] add low-resource ch overrides to compose setup

---
 hosting/docker/clickhouse/override.xml | 29 +++++++++++++-------------
 1 file changed, 14 insertions(+), 15 deletions(-)

diff --git a/hosting/docker/clickhouse/override.xml b/hosting/docker/clickhouse/override.xml
index 7642e22b0..41897c298 100644
--- a/hosting/docker/clickhouse/override.xml
+++ b/hosting/docker/clickhouse/override.xml
@@ -1,21 +1,20 @@
 <clickhouse>
     <logger>
-        <!-- Possible levels [1]:
-
-          - none (turns off logging)
-          - fatal
-          - critical
-          - error
-          - warning
-          - notice
-          - information
-          - debug
-          - trace
-          - test (not for production usage)
-
-            [1]: https://github.com/pocoproject/poco/blob/poco-1.9.4-release/Foundation/include/Poco/Logger.h#L105-L114
+        <!--
+            Possible levels: ["none", "fatal", "critical", "error", "warning", "notice", "information", "debug", "trace", "test"]
+            See: https://github.com/pocoproject/poco/blob/poco-1.9.4-release/Foundation/include/Poco/Logger.h#L105-L114
         -->
         <level>warning</level>
     </logger>
-    <!-- Add other overrides here as needed -->
+    <!-- Official recommendations for systems with <16GB RAM -->
+    <mark_cache_size>524288000</mark_cache_size> <!-- 500MB -->
+    <concurrent_threads_soft_limit_num>1</concurrent_threads_soft_limit_num>
+    <profiles>
+        <default>
+        <max_block_size>8192</max_block_size>
+        <max_download_threads>1</max_download_threads>
+        <input_format_parallel_parsing>0</input_format_parallel_parsing>
+        <output_format_parallel_formatting>0</output_format_parallel_formatting>
+        </default>
+    </profiles>
 </clickhouse>
\ No newline at end of file