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MDEV-20220: Merge 5.7 P_S replication table 'replication_applier_status_by_worker

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Step1:
=====
Backport 'replication_applier_status_by_worker' from upstream.

Iterate through rpl_parallel_thread_pool and display slave worker thread
specific information as part of 'replication_applier_status_by_worker'
table.

---------------------------------------------------------------------------
|Column Name:           |        Description:                             |
|-------------------------------------------------------------------------|
|                       |                                                 |
|CHANNEL_NAME           | Name of replication channel through which the   |
|                       | transaction is received.                        |
|                       |                                                 |
|THREAD_ID              | Thread_Id as displayed in 'performance_schema.  |
|                       | threads' table for thread with name             |
|                       | 'thread/sql/rpl_parallel_thread'                |
|                       |                                                 |
|                       | THREAD_ID will be NULL when worker threads are  |
|                       | stopped due to an error/force stop              |
|                       |                                                 |
|SERVICE_STATE          | Thread is running or not                        |
|                       |                                                 |
|LAST_SEEN_TRANSACTION  | Last GTID executed by worker                    |
|                       |                                                 |
|LAST_ERROR_NUMBER      | Last Error that occured on a particular worker  |
|                       |                                                 |
|LAST_ERROR_MESSAGE     | Last error specific message                     |
|                       |                                                 |
|LAST_ERROR_TIMESTAMP   | Time stamp of last error                        |
|                       |                                                 |
---------------------------------------------------------------------------

CHANNEL_NAME will be empty when the worker has not processed any
transaction. Channel_name points to valid source channel_name when it is
processing a transaction/event group.
This commit is contained in:
Sujatha
2021-04-08 15:49:32 +05:30
parent 7c524d4414
commit 94f1d0f84d
18 changed files with 565 additions and 289 deletions
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2
storage/perfschema/pfs_engine_table.cc
View File

@@ -317,7 +317,7 @@ static PFS_engine_table_share *all_shares[]=
&table_replication_applier_configuration::m_share,
&table_replication_applier_status::m_share,
&table_replication_applier_status_by_coordinator::m_share,
//&table_replication_applier_status_by_worker::m_share,
&table_replication_applier_status_by_worker::m_share,
//&table_replication_group_member_stats::m_share,
#endif