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MXS-1506: Add delayed_retry parameter

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By adding a boolean parameter, the feature can be enabled with sensible
default values. Renamed the query_retry parameters and set the defaults to
acceptable values.

Added new parameters to diagnostic output. Also did some minor renaming.
This commit is contained in:
Markus Mäkelä
2018-04-05 17:25:03 +03:00
parent 4786d88413
commit 1ab8f7a4bf
4 changed files with 27 additions and 18 deletions
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25
server/modules/routing/readwritesplit/readwritesplit.cc
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@ -338,10 +338,12 @@ void RWSplit::diagnostics(DCB *dcb)
config().causal_read_timeout.c_str());
dcb_printf(dcb, "\tmaster_reconnection: %s\n",
config().master_reconnection ? "true" : "false");
dcb_printf(dcb, "\tquery_retry_timeout: %lu\n",
config().query_retry_timeout);
dcb_printf(dcb, "\tquery_retry_interval: %lu\n",
config().query_retry_interval);
dcb_printf(dcb, "\tdelayed_retry: %s\n",
config().delayed_retry ? "true" : "false");
dcb_printf(dcb, "\tdelayed_retry_timeout: %lu\n",
config().delayed_retry_timeout);
dcb_printf(dcb, "\tdelayed_retry_interval: %lu\n",
config().delayed_retry_interval);
dcb_printf(dcb, "\n");
@ -415,10 +417,12 @@ json_t* RWSplit::diagnostics_json() const
json_string(config().causal_read_timeout.c_str()));
json_object_set_new(rval, "master_reconnection",
json_boolean(config().master_reconnection));
json_object_set_new(rval, "query_retry_timeout",
json_integer(config().query_retry_timeout));
json_object_set_new(rval, "query_retry_interval",
json_integer(config().query_retry_interval));
json_object_set_new(rval, "delayed_retry",
json_boolean(config().delayed_retry));
json_object_set_new(rval, "delayed_retry_timeout",
json_integer(config().delayed_retry_timeout));
json_object_set_new(rval, "delayed_retry_interval",
json_integer(config().delayed_retry_interval));
json_object_set_new(rval, "connections", json_integer(stats().n_sessions));
json_object_set_new(rval, "current_connections", json_integer(service()->stats.n_current));
@ -498,8 +502,9 @@ MXS_MODULE *MXS_CREATE_MODULE()
{"enable_causal_read", MXS_MODULE_PARAM_BOOL, "false"},
{"causal_read_timeout", MXS_MODULE_PARAM_STRING, "0"},
{"master_reconnection", MXS_MODULE_PARAM_BOOL, "false"},
{"query_retry_timeout", MXS_MODULE_PARAM_COUNT, "10"},
{"query_retry_interval", MXS_MODULE_PARAM_COUNT, "0"},
{"delayed_retry", MXS_MODULE_PARAM_BOOL, "false"},
{"delayed_retry_timeout", MXS_MODULE_PARAM_COUNT, "10"},
{"delayed_retry_interval", MXS_MODULE_PARAM_COUNT, "1"},
{MXS_END_MODULE_PARAMS}
}
};