go-mysqlbinlog: set to retry only 10 times

[dveeden]

1. Set MaxReconnectAttempts: 10 for go-mysqlbinlog
2. Print retry nr & max on retry

...
=== MariadbBinLogCheckPointEvent ===
Date: 2024-11-08 14:05:51
Log position: 329
Event size: 44
Info: mysqld-bin.000002

[2024/11/08 14:05:56] [info] binlogsyncer.go:800 receive EOF packet, no more binlog event now.
[2024/11/08 14:05:56] [error] binlogsyncer.go:728 io.ReadFull(header) failed. err EOF: connection was bad
[2024/11/08 14:05:57] [info] binlogsyncer.go:659 begin to re-sync from (mysqld-bin.000002, 329)
[2024/11/08 14:05:57] [error] binlogsyncer.go:757 retry sync err: dial tcp 127.0.0.1:3307: connect: connection refused, wait 1s and retry again (retries: 1/10)
[2024/11/08 14:05:58] [info] binlogsyncer.go:659 begin to re-sync from (mysqld-bin.000002, 329)
[2024/11/08 14:05:58] [error] binlogsyncer.go:757 retry sync err: dial tcp 127.0.0.1:3307: connect: connection refused, wait 1s and retry again (retries: 2/10)
[2024/11/08 14:05:59] [info] binlogsyncer.go:659 begin to re-sync from (mysqld-bin.000002, 329)
[2024/11/08 14:05:59] [error] binlogsyncer.go:757 retry sync err: dial tcp 127.0.0.1:3307: connect: connection refused, wait 1s and retry again (retries: 3/10)
[2024/11/08 14:06:00] [info] binlogsyncer.go:659 begin to re-sync from (mysqld-bin.000002, 329)
[2024/11/08 14:06:00] [error] binlogsyncer.go:757 retry sync err: dial tcp 127.0.0.1:3307: connect: connection refused, wait 1s and retry again (retries: 4/10)
[2024/11/08 14:06:01] [info] binlogsyncer.go:659 begin to re-sync from (mysqld-bin.000002, 329)
[2024/11/08 14:06:01] [error] binlogsyncer.go:757 retry sync err: dial tcp 127.0.0.1:3307: connect: connection refused, wait 1s and retry again (retries: 5/10)
[2024/11/08 14:06:02] [info] binlogsyncer.go:659 begin to re-sync from (mysqld-bin.000002, 329)
[2024/11/08 14:06:02] [error] binlogsyncer.go:757 retry sync err: dial tcp 127.0.0.1:3307: connect: connection refused, wait 1s and retry again (retries: 6/10)
[2024/11/08 14:06:03] [info] binlogsyncer.go:659 begin to re-sync from (mysqld-bin.000002, 329)
[2024/11/08 14:06:03] [error] binlogsyncer.go:757 retry sync err: dial tcp 127.0.0.1:3307: connect: connection refused, wait 1s and retry again (retries: 7/10)
[2024/11/08 14:06:04] [info] binlogsyncer.go:659 begin to re-sync from (mysqld-bin.000002, 329)
[2024/11/08 14:06:04] [error] binlogsyncer.go:757 retry sync err: dial tcp 127.0.0.1:3307: connect: connection refused, wait 1s and retry again (retries: 8/10)
[2024/11/08 14:06:05] [info] binlogsyncer.go:659 begin to re-sync from (mysqld-bin.000002, 329)
[2024/11/08 14:06:05] [error] binlogsyncer.go:757 retry sync err: dial tcp 127.0.0.1:3307: connect: connection refused, wait 1s and retry again (retries: 9/10)
[2024/11/08 14:06:06] [info] binlogsyncer.go:659 begin to re-sync from (mysqld-bin.000002, 329)
[2024/11/08 14:06:06] [error] binlogsyncer.go:752 retry sync err: dial tcp 127.0.0.1:3307: connect: connection refused, exceeded max retries (10)
[2024/11/08 14:06:06] [error] binlogstreamer.go:78 close sync with err: dial tcp 127.0.0.1:3307: connect: connection refused
Get event error: dial tcp 127.0.0.1:3307: connect: connection refused
github.com/pingcap/errors.AddStack
	/home/dvaneeden/go/pkg/mod/github.com/pingcap/[email protected]/errors.go:174
github.com/pingcap/errors.Trace
	/home/dvaneeden/go/pkg/mod/github.com/pingcap/[email protected]/juju_adaptor.go:15
github.com/go-mysql-org/go-mysql/client.ConnectWithDialer
	/home/dvaneeden/dev/go-mysql/client/conn.go:118
github.com/go-mysql-org/go-mysql/replication.(*BinlogSyncer).newConnection
	/home/dvaneeden/dev/go-mysql/replication/binlogsyncer.go:946
github.com/go-mysql-org/go-mysql/replication.(*BinlogSyncer).registerSlave
	/home/dvaneeden/dev/go-mysql/replication/binlogsyncer.go:271
github.com/go-mysql-org/go-mysql/replication.(*BinlogSyncer).prepare
	/home/dvaneeden/dev/go-mysql/replication/binlogsyncer.go:399
github.com/go-mysql-org/go-mysql/replication.(*BinlogSyncer).prepareSyncPos
	/home/dvaneeden/dev/go-mysql/replication/binlogsyncer.go:674
github.com/go-mysql-org/go-mysql/replication.(*BinlogSyncer).retrySync
	/home/dvaneeden/dev/go-mysql/replication/binlogsyncer.go:660
github.com/go-mysql-org/go-mysql/replication.(*BinlogSyncer).onStream
	/home/dvaneeden/dev/go-mysql/replication/binlogsyncer.go:750
runtime.goexit
	/usr/lib/golang/src/runtime/asm_amd64.s:1700