mysql 内存持续增长，可以从哪里着手排查呢？

my.conf 如下 [mysqld]

character_set_server            = utf8mb4

datadir                         = /var/lib/mysql

expire_logs_days                = 1

explicit_defaults_for_timestamp = 1

general_log                     = ON

general_log_file                = /var/log/mysql/general_log_file.log

innodb_buffer_pool_size         = 1G

innodb_flush_log_at_trx_commit  = 2

innodb_flush_method             = O_DIRECT

innodb_flush_neighbors          = 0

innodb_io_capacity              = 1000

innodb_io_capacity_max          = 2000

innodb_large_prefix             = 1

innodb_lock_wait_timeout        = 30

innodb_print_all_deadlocks      = 1

innodb_thread_concurrency       = 4

join_buffer_size                = 1M

log-error                       = /var/log/mysql/error.log

log_queries_not_using_indexes   = 0

log_slow_admin_statements       = 1

log_slow_slave_statements       = 1

log_timestamps                  = system

long_query_time                 = 10

max_connect_errors              = 10

pid-file                        = /var/run/mysqld/mysqld.pid

read_rnd_buffer_size            = 8388608

slow_query_log                  = 1

slow_query_log_file             = /var/log/mysql/slow_query_log_file.log

socket                          = /var/run/mysqld/mysqld.sock

sort_buffer_size                = 4194304

tmp_table_size                  = 67108864

wait_timeout                    = 600

binlog-ignore-db                = mysql

enforce-gtid-consistency        = ON

gtid-mode                       = ON

log-bin                         = mysql-bin

log-slave-updates               = ON

innodb_log_file_size            = 256M

lower_case_table_names          = 1

max_connections                 = 512

server-id                       = 1

sql-mode                        =
STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION