hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

fix hash group by oom

Browse Source
This commit is contained in:
ls0
2021-11-09 15:12:51 +08:00
committed by LINxiansheng
parent 878c594b56
commit 04ecb035fe
7 changed files with 157 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/sql/engine/ob_tenant_sql_memory_manager.cpp
View File

@ -837,14 +837,10 @@ int ObTenantSqlMemoryManager::get_max_work_area_size(int64_t& max_wa_memory_size
int64_t pre_mem_target = mem_target_;
double hold_ratio = 1. * tenant_work_area_memory_hold / tenant_work_area_max_size;
int64_t tmp_max_wa_memory_size = (remain_memory_size > 0)
? (1 - hold_ratio * hold_ratio) * remain_memory_size + total_alloc_size
? (1 - hold_ratio * hold_ratio * hold_ratio) * remain_memory_size + total_alloc_size
: total_alloc_size;
double alloc_ratio = total_alloc_size * 1.0 / tmp_max_wa_memory_size;
if (total_alloc_size >= tmp_max_wa_memory_size) {
max_wa_memory_size = (tmp_max_wa_memory_size >> 1);
} else {
max_wa_memory_size = tmp_max_wa_memory_size * (1 - alloc_ratio * alloc_ratio);
}
max_wa_memory_size = tmp_max_wa_memory_size * (1 - alloc_ratio * alloc_ratio);
max_workarea_size_ = tenant_work_area_max_size;
workarea_hold_size_ = tenant_work_area_memory_hold;
max_auto_workarea_size_ = max_wa_memory_size;