mysql Ver 8.0.13 for Linux on x86_64 (MySQL Community Server - GPL)

PURGE BINARY LOGS BEFORE '2019-04-17 00:00:00';

2019-04-20T09:00:00.415605Z 809256 [Warning] [MY-010956] [Server] Invalid replication timestamps: original commit timestamp is more recent than the immediate commit timestamp. This may be an issue if dela
yed replication is active. Make sure that servers have their clocks set to the correct time. No further message will be emitted until after timestamps become valid again.
2019-04-20T09:00:00.417635Z 809256 [Warning] [MY-010957] [Server] The replication timestamps have returned to normal values
на мастер сервере в логах нет никаких ошибок

tmpdir = /mnt/mysql-data/tmp
innodb_tmpdir = /mnt/mysql-data/tmp
datadir=/mnt/mysql-data
log-bin=/mnt/mysql-binlog/ru-log-bin
#binlog_expire_logs_seconds=604800
expire_logs_days=5
default_time_zone= 'Asia/Krasnoyarsk'

innodb_page_size=16k 
sql_mode=NO_ENGINE_SUBSTITUTION
innodb_buffer_pool_size=30GB 
innodb_log_buffer_size=1G
innodb_log_file_size=1G
innodb_sort_buffer_size=1G
innodb_flush_method=O_DIRECT
innodb_flush_log_at_trx_commit=1 
innodb_io_capacity=2000
innodb_io_capacity_max=20000
innodb_doublewrite=1 
innodb_temp_tablespaces_dir=/mnt/mysql-data/#innodb_temp/
max_allowed_packet=1G
max_connections=4000
join_buffer_size=256M
thread_cache_size=5351
key_buffer_size=2M

slow_query_log = ON
slow_query_log_file = '/mnt/mysql-data/slow.log'
long_query_time = 3

innodb_open_files=1000
table_open_cache=1000

socket=/var/lib/mysql/mysql.sock
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

server-id = 15345
read_only=0

default_authentication_plugin = mysql_native_password 

#loose-group_replication_start_on_boot = ON
#loose-group_replication_local_address = 192.168.153.45:33061
#report_port = 3306
#report_host = 192.168.153.45

#gtid-mode=ON
gtid-mode=OFF

#enforce_gtid_consistency=ON
enforce_gtid_consistency=OFF