data, upgrade: Change cassandra_execution_retry_* defaults

Author: sirainen

data/settings.js

@@ -3638,7 +3638,11 @@ consistency.`
 	cassandra_execution_retry_interval: {
 		tags: [ 'sql-cassandra' ],
 		values: setting_types.TIME_MSECS,
-		default: 0,
+		default: '500 ms',
+		changed: {
+			settings_cassandra_execution_retry_changed: `
+Default changed from 0.`
+		},
 		text: `
 If the driver supports speculative execution policy, configures constant
 speculative execution policy. See
@@ -3648,7 +3652,11 @@ https://docs.datastax.com/en/developer/java-driver/latest/manual/core/speculativ
 	cassandra_execution_retry_times: {
 		tags: [ 'sql-cassandra' ],
 		values: setting_types.TIME_MSECS,
-		default: 0,
+		default: 3,
+		changed: {
+			settings_cassandra_execution_retry_changed: `
+Default changed from 0.`
+		},
 		text: `
 If the driver supports speculative execution policy, configures constant
 speculative execution policy. See

data/updates.js

@@ -126,6 +126,7 @@ export const updates = {
 	settings_auth_internal_failure_delay_added: '2.4.0',
 	settings_auth_policy_added: '2.4.0',
 	settings_auth_policy_request_attributes_changed: '2.4.0',
+	settings_cassandra_execution_retry_changed: '2.4.2',
 	settings_dovecot_config_version_added: '2.4.0',
 	settings_dovecot_storage_version_added: '2.4.0',
 	settings_fifo_listener_type_added: '2.4.0',

docs/installation/upgrade/2.4-to-2.4.x.md

@@ -26,3 +26,5 @@ changed from `2.4.0` to `2.4.1`.
 | `service/auth/unix_listener/auth-userdb/group` | (empty = root) | `$SET:default_internal_group` |
 | `service/lmtp/restart_request_count` | unlimited | 1 |
 | [[setting,lmtp_user_concurrency_limit]] | unlimited | 10 |
+| [[setting,cassandra_execution_retry_interval]] | 0 | 500 ms |
+| [[setting,cassandra_execution_retry_times]] | 0 | 3 |