scylladb

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Vlad Zolotarov 57b58cad8e SELECT tracing instrumentation: improve inter-nodes communication stages messages

Add/fix "sending to"/"received from" messages.

With this patch the single key select trace with a data on an external node
looks as follows:

Tracing session: 65dbfcc0-4f51-11e6-8dd2-000000000001

 activity                                                                                                                        | timestamp                  | source    | source_elapsed
---------------------------------------------------------------------------------------------------------------------------------+----------------------------+-----------+----------------
                                                                                                              Execute CQL3 query | 2016-07-21 17:42:50.124000 | 127.0.0.2 |              0
                                                                                                   Parsing a statement [shard 1] | 2016-07-21 17:42:50.124127 | 127.0.0.2 |             --
                                                                                                Processing a statement [shard 1] | 2016-07-21 17:42:50.124190 | 127.0.0.2 |             64
 Creating read executor for token 2309717968349690594 with all: {127.0.0.1} targets: {127.0.0.1} repair decision: NONE [shard 1] | 2016-07-21 17:42:50.124229 | 127.0.0.2 |            103
                                                                            read_data: sending a message to /127.0.0.1 [shard 1] | 2016-07-21 17:42:50.124234 | 127.0.0.2 |            108
                                                                           read_data: message received from /127.0.0.2 [shard 1] | 2016-07-21 17:42:50.124358 | 127.0.0.1 |             14
                                                          read_data handling is done, sending a response to /127.0.0.2 [shard 1] | 2016-07-21 17:42:50.124434 | 127.0.0.1 |             89
                                                                               read_data: got response from /127.0.0.1 [shard 1] | 2016-07-21 17:42:50.124662 | 127.0.0.2 |            536
                                                                                  Done processing - preparing a result [shard 1] | 2016-07-21 17:42:50.124695 | 127.0.0.2 |            569
                                                                                                                Request complete | 2016-07-21 17:42:50.124580 | 127.0.0.2 |            580

Fixes #1481

Signed-off-by: Vlad Zolotarov <vladz@cloudius-systems.com>
Message-Id: <1469112271-22818-1-git-send-email-vladz@cloudius-systems.com>

2016-07-21 19:46:43 +03:00

pager

service::storage_proxy: READ instrumentation: store trace state object in abstract_read_executor

2016-07-19 18:21:59 +03:00

client_state.cc

client_state: Add has_schema_access function

2016-07-17 17:38:23 +00:00

client_state.hh

service::client_state: add a const version of get_trace_state()

2016-07-19 18:21:58 +03:00

endpoint_lifecycle_subscriber.hh

Fix pre-ScyllaDB copyright statements