dashboard: add panels for transaction operations

Add panels for transaction operations (begin, commit, rollback). Metrics
were introduced in 2.10.0-beta1 [1] and fixed in 2.10.4 and 2.11 [2].

1. tarantool/tarantool@48c8dc1
2. tarantool/tarantool@a5fe5c3

Closes #176

Author: DifferentialOrange

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 - Dashboard title customization
+- Panels for transaction operations
 
 ### Changed
 - Replace LuaJit deprecated metrics with new ones

dashboard/panels/operations.libsonnet

@@ -351,4 +351,91 @@ local prometheus = grafana.prometheus;
     labelY1='requests per second',
     operation='execute'
   ),
+
+  txn_begin_rps(
+    title='Transaction begins',
+    description=|||
+      Panel displays the count of IPROTO_CALL and
+      IPROTO_EVAL operations with `box.begin()`, IPROTO_EXECUTE
+      operations with `TRANSACTION START` and IPROTO_BEGIN operations.
+      Graph shows average calls per second.
+
+      Panel works with Tarantool 2.10 or newer.
+    |||,
+    datasource_type=null,
+    datasource=null,
+    policy=null,
+    measurement=null,
+    job=null,
+    alias=null,
+  ):: operation_rps(
+    title=title,
+    description=description,
+    datasource_type=datasource_type,
+    datasource=datasource,
+    policy=policy,
+    measurement=measurement,
+    job=job,
+    alias=alias,
+    labelY1='begins per second',
+    operation='begin'
+  ),
+
+  txn_commit_rps(
+    title='Transaction commits',
+    description=|||
+      Panel displays the count of IPROTO_CALL and
+      IPROTO_EVAL operations with `box.commit()`, IPROTO_EXECUTE
+      operations with `COMMIT` and IPROTO_COMMIT operations.
+      Graph shows average calls per second.
+
+      Panel works with Tarantool 2.10 or newer.
+    |||,
+    datasource_type=null,
+    datasource=null,
+    policy=null,
+    measurement=null,
+    job=null,
+    alias=null,
+  ):: operation_rps(
+    title=title,
+    description=description,
+    datasource_type=datasource_type,
+    datasource=datasource,
+    policy=policy,
+    measurement=measurement,
+    job=job,
+    alias=alias,
+    labelY1='commits per second',
+    operation='commit'
+  ),
+
+  txn_rollback_rps(
+    title='Transaction rollbacks',
+    description=|||
+      Panel displays the count of IPROTO_CALL and
+      IPROTO_EVAL operations with `box.rollback()`, IPROTO_EXECUTE
+      operations with `ROLLBACK` and IPROTO_ROLLBACK operations.
+      Graph shows average calls per second.
+
+      Panel works with Tarantool 2.10 or newer.
+    |||,
+    datasource_type=null,
+    datasource=null,
+    policy=null,
+    measurement=null,
+    job=null,
+    alias=null,
+  ):: operation_rps(
+    title=title,
+    description=description,
+    datasource_type=datasource_type,
+    datasource=datasource,
+    policy=policy,
+    measurement=measurement,
+    job=job,
+    alias=alias,
+    labelY1='rollbacks per second',
+    operation='rollback'
+  ),
 }

dashboard/section.libsonnet

@@ -1060,6 +1060,33 @@ local tdg_tuples = import 'dashboard/panels/tdg/tuples.libsonnet';
       job=job,
       alias=alias,
     ),
+
+    operations.txn_begin_rps(
+      datasource_type=datasource_type,
+      datasource=datasource,
+      policy=policy,
+      measurement=measurement,
+      job=job,
+      alias=alias,
+    ),
+
+    operations.txn_commit_rps(
+      datasource_type=datasource_type,
+      datasource=datasource,
+      policy=policy,
+      measurement=measurement,
+      job=job,
+      alias=alias,
+    ),
+
+    operations.txn_rollback_rps(
+      datasource_type=datasource_type,
+      datasource=datasource,
+      policy=policy,
+      measurement=measurement,
+      job=job,
+      alias=alias,
+    ),
   ],
 
   crud(datasource_type, datasource, policy=null, measurement=null, job=null, alias=null):: [

example_cluster/project/generate_load.lua

@@ -54,6 +54,8 @@ local UPDATE = 'update'
 local UPSERT = 'upsert'
 local REPLACE = 'replace'
 local DELETE = 'delete'
+local COMMIT = 'commit'
+local ROLLBACK = 'rollback'
 
 local last_key = 1
 
@@ -117,6 +119,20 @@ local function space_operations(instance, operation, count)
                 if tuple == nil then return end
                 space:delete{ tuple[1] }
             end
+
+        elseif operation == COMMIT then
+            for _ = 1, count do
+                local s = instance.net_box:new_stream()
+                s:begin()
+                s:commit()
+            end
+
+        elseif operation == ROLLBACK then
+            for _ = 1, count do
+                local s = instance.net_box:new_stream()
+                s:begin()
+                s:rollback()
+            end
         end
     end
 end
@@ -134,6 +150,8 @@ local function generate_space_load(name, instance)
             space_load[UPSERT] = math.random(5, 10)
             space_load[REPLACE] = math.random(5, 10)
             space_load[DELETE] = math.random(1, 2)
+            space_load[COMMIT] = math.random(1, 5)
+            space_load[ROLLBACK] = math.random(0, 2)
         end
     else
         space_load[INSERT] = math.random(1, 3)

supported_metrics.md

@@ -76,7 +76,7 @@ Based on [tarantool/metrics 0.16.0](https://github.com/tarantool/metrics/release
 - [x] **tnt_net_requests_in_progress_current**: see *Tarantool network activity/Requests in progress* panel ([#133](https://github.com/tarantool/grafana-dashboard/issues/133))
 - [x] **tnt_net_requests_in_stream_queue_total**: see *Tarantool network activity/Requests in queue (overall)* panel ([#133](https://github.com/tarantool/grafana-dashboard/issues/133))
 - [x] **tnt_net_requests_in_stream_queue_current**: see *Tarantool network activity/Requests in queue (current)* panel ([#133](https://github.com/tarantool/grafana-dashboard/issues/133))
-- [ ] **tnt_stats_op_total**: see *Cluster overview/Overall space load* panel (Prometheus only), *Tarantool operations statistics/SELECT space requests*, *Tarantool operations statistics/INSERT space requests*, *Tarantool operations statistics/REPLACE space requests*, *Tarantool operations statistics/UPSERT space requests*, *Tarantool operations statistics/UPDATE space requests*, *Tarantool operations statistics/DELETE space requests*, *Tarantool operations statistics/Call requests*, *Tarantool operations statistics/Eval calls*, *Tarantool operations statistics/Request errors*, *Tarantool operations statistics/Authentication requests*, *Tarantool operations statistics/SQL prepare calls*, *Tarantool operations statistics/SQL execute calls* panels ([386be0a6](https://github.com/tarantool/grafana-dashboard/commit/386be0a6bc0848c0f23a19a09dd983dc42df0b9b), [#66](https://github.com/tarantool/grafana-dashboard/issues/66), [#176](https://github.com/tarantool/grafana-dashboard/issues/176))
+- [x] **tnt_stats_op_total**: see *Cluster overview/Overall space load* panel (Prometheus only), *Tarantool operations statistics/SELECT space requests*, *Tarantool operations statistics/INSERT space requests*, *Tarantool operations statistics/REPLACE space requests*, *Tarantool operations statistics/UPSERT space requests*, *Tarantool operations statistics/UPDATE space requests*, *Tarantool operations statistics/DELETE space requests*, *Tarantool operations statistics/Call requests*, *Tarantool operations statistics/Eval calls*, *Tarantool operations statistics/Request errors*, *Tarantool operations statistics/Authentication requests*, *Tarantool operations statistics/SQL prepare calls*, *Tarantool operations statistics/SQL execute calls*, *Tarantool operations statistics/Transaction begins*, *Tarantool operations statistics/Transaction commits*, *Tarantool operations statistics/Transaction rollbacks* panels ([386be0a6](https://github.com/tarantool/grafana-dashboard/commit/386be0a6bc0848c0f23a19a09dd983dc42df0b9b), [#66](https://github.com/tarantool/grafana-dashboard/issues/66), [#176](https://github.com/tarantool/grafana-dashboard/issues/176))
 - **tnt_stats_op_rps**: unsupported (deprecated, superseded by **tnt_stats_op_total**)
 - **tnt_replication_lsn**: unsupported (decided not to support: doesn't seem useful for visualization)
 - **tnt_replication_replica_\*_lsn**: unsupported (deprecated, superseded by **tnt_replication_lsn**)