[GitHub] [doris] morningman commented on a diff in pull request #14084: [improvement](conf) modify some default config value of be

[GitBox <gi...@apache.org>]

morningman commented on code in PR #14084:
URL: https://github.com/apache/doris/pull/14084#discussion_r1022745480


##########
be/src/common/config.h:
##########
@@ -296,7 +296,7 @@ CONF_mInt32(generate_compaction_tasks_min_interval_ms, "10");
 
 // Compaction task number per disk.
 // Must be greater than 2, because Base compaction and Cumulative compaction have at least one thread each.
-CONF_mInt32(compaction_task_num_per_disk, "2");
+CONF_mInt32(compaction_task_num_per_disk, "10");

Review Comment:
   For SATA, is it too big?



##########
be/src/common/config.h:
##########
@@ -680,7 +680,7 @@ CONF_Int64(download_cache_buffer_size, "10485760");
 // so if there are too many segment in a rowset, the compaction process
 // will run out of memory.
 // When doing compaction, each segment may take at least 1MB buffer.
-CONF_mInt32(max_segment_num_per_rowset, "200");
+CONF_mInt32(max_segment_num_per_rowset, "1500");

Review Comment:
   I' m not sure if there are too many segments in a rowset, the query operation will cost too much memory?



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