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MXS-1506: Remove delayed_retry_interval

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Configuring the parameter current doesn't have enough of an effect to
warrant having a configuration option for it.

Also took mxs::extract_sql into use in the INFO level message.
This commit is contained in:
Markus Mäkelä
2018-04-06 10:09:31 +03:00
parent b9c0f0ffd2
commit d80f60e0af
3 changed files with 5 additions and 15 deletions
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5
server/modules/routing/readwritesplit/readwritesplit.cc
View File

@ -342,8 +342,6 @@ void RWSplit::diagnostics(DCB *dcb)
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");
@ -421,8 +419,6 @@ json_t* RWSplit::diagnostics_json() const
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));
@ -504,7 +500,6 @@ MXS_MODULE *MXS_CREATE_MODULE()
{"master_reconnection", MXS_MODULE_PARAM_BOOL, "false"},
{"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}
}
};

4
server/modules/routing/readwritesplit/readwritesplit.hh
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@ -175,8 +175,7 @@ struct Config
causal_read_timeout(config_get_string(params, "causal_read_timeout")),
master_reconnection(config_get_bool(params, "master_reconnection")),
delayed_retry(config_get_bool(params, "delayed_retry")),
delayed_retry_timeout(config_get_integer(params, "delayed_retry_timeout")),
delayed_retry_interval(config_get_integer(params, "delayed_retry_interval"))
delayed_retry_timeout(config_get_integer(params, "delayed_retry_timeout"))
{
if (enable_causal_read)
{
@ -206,7 +205,6 @@ struct Config
bool master_reconnection; /**< Allow changes in master server */
bool delayed_retry; /**< Delay routing if no target found */
uint64_t delayed_retry_timeout; /**< How long to delay until an error is returned */
uint64_t delayed_retry_interval; /**< How often to attepmt to route the delayed query */
};
/**

11
server/modules/routing/readwritesplit/rwsplit_route_stmt.cc
View File

@ -22,6 +22,7 @@
#include <maxscale/alloc.h>
#include <maxscale/clock.h>
#include <maxscale/modutil.h>
#include <maxscale/modutil.hh>
#include <maxscale/router.h>
#include <maxscale/server.h>
#include <maxscale/session_command.hh>
@ -241,16 +242,12 @@ bool RWSplitSession::route_single_stmt(GWBUF *querybuf, const RouteInfo& info)
else if (can_retry_query())
{
// Try to route the query again later
uint64_t interval = m_config.delayed_retry_interval;
MXS_SESSION* session = m_client->session;
session_delay_routing(session, router_as_downstream(session),
gwbuf_clone(querybuf), interval);
session_delay_routing(session, router_as_downstream(session), gwbuf_clone(querybuf), 1);
++m_retry_duration;
succp = true;
// Increment by at least one to prevent infinite delay
m_retry_duration += interval > 0 ? interval : 1;
MXS_INFO("Will try to route query again in %lu seconds", interval);
MXS_INFO("Delaying routing: %s", extract_sql(querybuf).c_str());
}
}