Reference: parameters (GUC)
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Reference: parameters (GUC)#
oushudb_main_directory#
oushu main directories
Value Range |
Default |
Set Classifications |
---|---|---|
String |
/data1/oushudb/masterdd |
master, system, restart |
oushudb_main_temp_directory#
main temporary directories
Value Range |
Default |
Set Classifications |
---|---|---|
String |
/tmp |
master, system, restart |
oushudb_segment_temp_directory#
segment temporary directories
Value Range |
Default |
Set Classifications |
---|---|---|
String |
/tmp |
master, system, restart |
oushudb_main_port#
oushu main port
Value Range |
Default |
Set Classifications |
---|---|---|
0-65546 |
7432 |
system |
oushudb_segment_port#
oushu segment port
Value Range |
Default |
Set Classifications |
---|---|---|
0-65546 |
40000 |
system |
catalog_url#
配置元数据访问路径, ‘catalog_url’ 应当在 magma-client.xml 中展开
Value Range |
Default |
Set Classifications |
---|---|---|
String |
default_nameservice/vsc_catalog |
system |
gp_vmem_protect_limit#
OushuDB 计算节点最大可用内存, 建议配置为节点内存 70-90%(需要为部署的其他系统留出一定内存)
Value Range |
Default |
Set Classifications |
---|---|---|
0-INT_MAX/2 |
8192 |
session, reload |
plan_cache_mode#
Controls the planner’s selection of custom or generic plan
Value Range |
Default |
Set Classifications |
---|---|---|
auto,force_generic_plan,force_custom_plan |
force_custom_plan |
master,system,restart |
cache_disk_quota_segment#
根据DB临时磁盘大小配置每个计算节点缓存大小,默认512GB
Value Range |
Default |
Set Classifications |
---|---|---|
0-INT32_MAX |
512GB |
master,system,restart |
default_numeric_unconstrained_storage#
控制建表时 NUMERIC 实际存储类型,默认为有限精度(38位精度,15位小数)。如需无限精度,请配置为 NUMERIC。
Value Range |
Default |
Set Classifications |
---|---|---|
NUMERIC(M, D), NUMERIC |
NUMERIC(38,15) |
master, session, reload |