This topic describes the following performance metrics related to the number of XA statements in an OceanBase Database tenant: xa_start_total_count, xa_end_total_count, xa_prepare_total_count, xa_commit_total_count, and xa_rollback_total_count. You can specify a statistical range to query the metrics in a single zone or on a single OBServer node for a tenant.
xa_start_total_count
Definition
The number of XA_START statements in an OceanBase Database tenant.
Description
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Metric name |
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| xa_start_total_count | xa_start_total_count | N/A |
Calculation expression
sum(rate(ob_sysstat{stat_id="30200",@LABELS}[@INTERVAL])) by (@GBLABELS)
SQL statements for metric collection
If you use OceanBase Database of a version earlier than V4.0, execute the following statement:
select /*+ MONITOR_AGENT READ_CONSISTENCY(WEAK) */ con_id tenant_id, stat_id, value from v$sysstat where stat_id IN (30200) and (con_id > 1000 or con_id = 1) and class < 1000If you use OceanBase Database V4.0 or later, execute the following statement:
select /* MONITOR_AGENT */ con_id tenant_id, stat_id, value from v$sysstat where stat_id IN (30200) and (con_id > 1000 or con_id = 1) and class < 1000
xa_end_total_count
Definition
The number of XA_END statements in an OceanBase Database tenant.
Description
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Metric name |
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| xa_end_total_count | xa_end_total_count | N/A |
Calculation expression
sum(rate(ob_sysstat{stat_id="30204",@LABELS}[@INTERVAL])) by (@GBLABELS)
SQL statements for metric collection
If you use OceanBase Database of a version earlier than V4.0, execute the following statement:
select /*+ MONITOR_AGENT READ_CONSISTENCY(WEAK) */ con_id tenant_id, stat_id, value from v$sysstat where stat_id IN (30204) and (con_id > 1000 or con_id = 1) and class < 1000If you use OceanBase Database V4.0 or later, execute the following statement:
select /* MONITOR_AGENT */ con_id tenant_id, stat_id, value from v$sysstat where stat_id IN (30204) and (con_id > 1000 or con_id = 1) and class < 1000
xa_prepare_total_count
Definition
The number of XA_PREPARE statements in an OceanBase Database tenant.
Description
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Metric name |
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| xa_prepare_total_count | xa_prepare_total_count | N/A |
Calculation expression
sum(rate(ob_sysstat{stat_id="30208",@LABELS}[@INTERVAL])) by (@GBLABELS)
SQL statements for metric collection
If you use OceanBase Database of a version earlier than V4.0, execute the following statement:
select /*+ MONITOR_AGENT READ_CONSISTENCY(WEAK) */ con_id tenant_id, stat_id, value from v$sysstat where stat_id IN (30208) and (con_id > 1000 or con_id = 1) and class < 1000If you use OceanBase Database V4.0 or later, execute the following statement:
select /* MONITOR_AGENT */ con_id tenant_id, stat_id, value from v$sysstat where stat_id IN (30208) and (con_id > 1000 or con_id = 1) and class < 1000
xa_commit_total_count
Definition
The number of XA_COMMIT statements in an OceanBase Database tenant.
Description
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Metric name |
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| xa_commit_total_count | xa_commit_total_count | N/A |
Calculation expression
sum(rate(ob_sysstat{stat_id="30212",@LABELS}[@INTERVAL])) by (@GBLABELS)
SQL statements for metric collection
If you use OceanBase Database of a version earlier than V4.0, execute the following statement:
select /*+ MONITOR_AGENT READ_CONSISTENCY(WEAK) */ con_id tenant_id, stat_id, value from v$sysstat where stat_id IN (30212) and (con_id > 1000 or con_id = 1) and class < 1000If you use OceanBase Database V4.0 or later, execute the following statement:
select /* MONITOR_AGENT */ con_id tenant_id, stat_id, value from v$sysstat where stat_id IN (30212) and (con_id > 1000 or con_id = 1) and class < 1000
xa_rollback_total_count
Definition
The number of XA_ROLLBACK statements in an OceanBase Database tenant.
Description
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Metric name |
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| xa_rollback_total_count | xa_rollback_total_count | N/A |
Calculation expression
sum(rate(ob_sysstat{stat_id="30216",@LABELS}[@INTERVAL])) by (@GBLABELS)
SQL statements for metric collection
If you use OceanBase Database of a version earlier than V4.0, execute the following statement:
select /*+ MONITOR_AGENT READ_CONSISTENCY(WEAK) */ con_id tenant_id, stat_id, value from v$sysstat where stat_id IN (30216) and (con_id > 1000 or con_id = 1) and class < 1000If you use OceanBase Database V4.0 or later, execute the following statement:
select /* MONITOR_AGENT */ con_id tenant_id, stat_id, value from v$sysstat where stat_id IN (30216) and (con_id > 1000 or con_id = 1) and class < 1000
