Updated semi-sync replication test

Author: mmontes11

README.md

@@ -8,8 +8,8 @@ Database benchmarks in Kubernetes
 
 ### Storage benchmarks
 
-Refer to the [storage benchmarks ](https://github.com/mmontes11/storage-bench) for further reference
+Local storage via Topolvm on nvme drives is used as storage in all benchmarks. Refer to the [storage benchmarks ](https://github.com/mmontes11/storage-bench) for further reference.
 
 ### Kubernetes cluster
 
-Provisioned by [k8s-management](https://github.com/mmontes11/k8s-management) and [k8s-infrastructure](https://github.com/mmontes11/k8s-infrastructure)
+Kubernetes cluster based on Talos and provisioned by [k8s-management](https://github.com/mmontes11/k8s-management) and [k8s-infrastructure](https://github.com/mmontes11/k8s-infrastructure) is used in all benchmarks.

mariadb-replication-topolvm/Makefile

@@ -1,11 +1,15 @@
 include ../make/base.mk
 
-##@ MariaDB Galera on Topolvm
+##@ MariaDB replication on Topolvm
 
 .PHONY: mariadb
 mariadb: kubectl ## Deploy MariaDB.
 	$(KUBECTL) apply -f ./mariadb
 
+.PHONY: maxscale
+maxscale: kubectl ## Deploy MaxScale.
+	$(KUBECTL) apply -f ./maxscale
+
 .PHONY: sysbench-sql
 sysbench-sql: kubectl ## Prepare sysbench SQL resources.
 	$(KUBECTL) apply -f ./sql

mariadb-replication-topolvm/README.md

@@ -2,42 +2,51 @@
 
 ```bash
 make mariadb
+make maxscale
 make sysbench-prepare
 make sysbench
 make physicalbackup
 ```
 
-# sysbench (1 thread)
+# sysbench
+
+Threads: 4
+MariaDB version: 11.8.2
 
 ### Semi-sync replication
 
 ```
 SQL statistics:
     queries performed:
-        read:                            1887774
-        write:                           539364
-        other:                           269682
-        total:                           2696820
-    transactions:                        134841 (449.47 per sec.)
-    queries:                             2696820 (8989.33 per sec.)
-    ignored errors:                      0      (0.00 per sec.)
+        read:                            4919530
+        write:                           1405158
+        other:                           702653
+        total:                           7027341
+    transactions:                        351258 (1170.84 per sec.)
+    queries:                             7027341 (23424.12 per sec.)
+    ignored errors:                      137    (0.46 per sec.)
     reconnects:                          0      (0.00 per sec.)
 
 General statistics:
-    total time:                          300.0018s
-    total number of events:              134841
+    total time:                          300.0038s
+    total number of events:              351258
 
 Latency (ms):
-         min:                                    1.63
-         avg:                                    2.22
-         max:                                   93.41
-         95th percentile:                        2.71
-         sum:                               299851.38
+         min:                                    2.16
+         avg:                                    3.41
+         max:                                   21.80
+         95th percentile:                        4.18
+         sum:                              1199475.11
 
 Threads fairness:
-    events (avg/stddev):           134841.0000/0.00
-    execution time (avg/stddev):   299.8514/0.00
+    events (avg/stddev):           87814.5000/41.08
+    execution time (avg/stddev):   299.8688/0.00
+```
+
+### Semi-sync replication, WaitPoint=AfterSync
 
+```
+TODO
 ```
 
 ### Semi-sync replication + MaxScale
@@ -56,4 +65,4 @@ TODO
 
 ```
 TODO
-```
+```

mariadb-replication-topolvm/mariadb/mariadb.yaml

@@ -66,7 +66,7 @@ spec:
         errorDurationThreshold: 30s
     gtidStrictMode: true
     # semiSyncAckTimeout: 10s
-    # semiSyncWaitPoint: AfterCommit
+    # semiSyncWaitPoint: AfterSync
     # syncBinlog: 1
 
   metrics:
@@ -77,16 +77,21 @@ spec:
       cpu: 4
       memory: 4Gi
     limits:
+      cpu: 4
       memory: 4Gi
 
   myCnf: |
     [mariadb]
     bind-address=*
     default_storage_engine=InnoDB
     binlog_format=row
+    max_allowed_packet=1G
     innodb_autoinc_lock_mode=2
     innodb_buffer_pool_size=3200MB
-    max_allowed_packet=1GB
+    innodb_flush_method=O_DIRECT
+    thread_handling=pool-of-threads
+    thread_pool_size=4
+    slave_parallel_threads=4
 
   tolerations:
     - effect: NoSchedule
@@ -107,7 +112,7 @@ spec:
 apiVersion: k8s.mariadb.com/v1alpha1
 kind: PhysicalBackup
 metadata:
-  name: physicalbackup--tpl
+  name: physicalbackup-tpl
 spec:
   mariaDbRef:
     name: mariadb

mariadb-replication-topolvm/mariadb/mariadb-secret.yaml renamed to mariadb-replication-topolvm/maxscale/maxscale-secret.yaml

@@ -1,9 +1,8 @@
 apiVersion: v1
 kind: Secret
 metadata:
-  name: mariadb
+  name: maxscale
   labels:
     k8s.mariadb.com/watch: ""
 stringData:
-  password: MariaDB11!
-  root-password: MariaDB11!
+  password: MaxScale!

mariadb-replication-topolvm/mariadb/maxscale.yaml renamed to mariadb-replication-topolvm/maxscale/maxscale.yaml

@@ -18,7 +18,7 @@ spec:
     generate: true
     adminUsername: mariadb-operator
     adminPasswordSecretKeyRef:
-      name: mariadb
+      name: maxscale
       key: password
 
   metrics:
@@ -29,6 +29,7 @@ spec:
       cpu: 2
       memory: 1Gi
     limits:
+      cpu: 2
       memory: 1Gi
 
   tolerations:

mariadb-replication-topolvm/sysbench/sysbench-cronjob.yaml

@@ -39,7 +39,7 @@ spec:
               - --mysql-password=MariaDB11!
               - --mysql-db=sbtest
               - --time=300 
-              - --threads=1
+              - --threads=4
               - --report-interval=1
               - run
             resources: