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Add more profile events for distributconnections

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This commit is contained in:
serxa 2023-05-21 12:15:06 +00:00
parent 3c002755e2
commit c56e6a8b80
2 changed files with 7 additions and 0 deletions
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5
src/Client/ConnectionEstablisher.cpp
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@ -4,6 +4,8 @@
namespace ProfileEvents
{
extern const Event DistributedConnectionTries;
extern const Event DistributedConnectionUsable;
extern const Event DistributedConnectionMissingTable;
extern const Event DistributedConnectionStaleReplica;
}
@ -35,6 +37,7 @@ void ConnectionEstablisher::run(ConnectionEstablisher::TryResult & result, std::
SCOPE_EXIT(is_finished = true);
try
{
ProfileEvents::increment(ProfileEvents::DistributedConnectionTries);
result.entry = pool->get(*timeouts, settings, /* force_connected = */ false);
AsyncCallbackSetter async_setter(&*result.entry, std::move(async_callback));
@ -45,6 +48,7 @@ void ConnectionEstablisher::run(ConnectionEstablisher::TryResult & result, std::
if (!table_to_check || server_revision < DBMS_MIN_REVISION_WITH_TABLES_STATUS)
{
result.entry->forceConnected(*timeouts);
ProfileEvents::increment(ProfileEvents::DistributedConnectionUsable);
result.is_usable = true;
result.is_up_to_date = true;
return;
@ -65,6 +69,7 @@ void ConnectionEstablisher::run(ConnectionEstablisher::TryResult & result, std::
return;
}
ProfileEvents::increment(ProfileEvents::DistributedConnectionUsable);
result.is_usable = true;
UInt64 max_allowed_delay = settings ? UInt64(settings->max_replica_delay_for_distributed_queries) : 0;

2
src/Common/ProfileEvents.cpp
View File

@ -131,6 +131,8 @@
M(ZooKeeperBytesSent, "Number of bytes send over network while communicating with ZooKeeper.") \
M(ZooKeeperBytesReceived, "Number of bytes received over network while communicating with ZooKeeper.") \
\
M(DistributedConnectionTries, "Total count of distributed connection attempts.") \
M(DistributedConnectionUsable, "Total count of successful distributed connections to a usable server (with required table, but maybe stale).") \
M(DistributedConnectionFailTry, "Total count when distributed connection fails with retry.") \
M(DistributedConnectionMissingTable, "Number of times we rejected a replica from a distributed query, because it did not contain a table needed for the query.") \
M(DistributedConnectionStaleReplica, "Number of times we rejected a replica from a distributed query, because some table needed for a query had replication lag higher than the configured threshold.") \