OceanBase 社区版是一款开源分布式 HTAP（Hybrid Transactional/Analytical Processing）数据库管理系统
下载镜像
# 下载镜像
[root@localhost ~]# docker pull oceanbase/oceanbase-ce
Using default tag: latest
latest: Pulling from oceanbase/oceanbase-ce
13add961a70d: Pull complete
c8175aff0e18: Pull complete
39c994bcc219: Pull complete
71a870d28c6f: Pull complete
Digest: sha256:6c3f458abc38a017e604af1188726174b6dc81f38c96e2869dc2cb04931a8cd8
Status: Downloaded newer image for oceanbase/oceanbase-ce:latest
启动
#启动 OceanBase 实例
# deploy mini standalone instance
[root@localhost ~]# docker run -p 2881:2881 --name obstandalone -e MINI_MODE=1 -d oceanbase/oceanbase-ce
# 查看日志
[root@localhost ~]# docker logs obstandalone | tail -1
boot success!
# 连接数据库
[root@localhost ~]# docker exec -it obstandalone ob-mysql sys # Connect to sys tenant
login as root@sys
Command is: obclient -h127.1 -uroot@sys -A -Doceanbase -P2881
Welcome to the OceanBase. Commands end with ; or \g.
Your OceanBase connection id is 3221487642
Server version: 5.7.25 OceanBase 3.1.4 (r10000092022071511-b4bfa011ceaef428782dcb65ae89190c40b78c2f) (Built Jul 15 2022 11:45:14)
Copyright (c) 2000, 2022, OceanBase and/or its affiliates. All rights reserved.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
obclient [oceanbase]>
#utf8
#ue ctrl+h编辑文件
#0x0f
[root@localhost ~]# docker cp test.txt obstandalone:/tmp
#,
[root@localhost ~]# docker cp test2.txt obstandalone:/tmp
LAOD 操作
# 语法
LOAD DATA
[/*+ parallel(N) load_batch_size(M)*/]
INFILE 'file_name'
[REPLACE | IGNORE]
INTO TABLE tbl_name
[{
FIELDS | COLUMNS}
[TERMINATED BY 'string']
[[OPTIONALLY] ENCLOSED BY 'char']
[ESCAPED BY 'char']
]
[LINES
[STARTING BY 'string']
[TERMINATED BY 'string']
]
[IGNORE number {
LINES | ROWS}]
[(col_name_var
[, col_name_var] ...)]
[SET col_name={
expr | DEFAULT},
[, col_name={
expr | DEFAULT}] ...]
示例
obclient [oceanbase]> LOAD DATA INFILE '/tmp/test.txt' INTO TABLE ocb.test FIELDS TERMINATED BY '0x0f' LINES TERMINATED BY '\n';
ERROR 1227 (42501): Access denied
obclient [oceanbase]>
#无效
set global secure_file_priv="";
#用户授权，重新登录可以执行load操作
obclient [oceanbase]> GRANT FILE ON *.* to sys@'%';
Query OK, 0 rows affected (0.024 sec)
obclient [oceanbase]> LOAD DATA INFILE '/tmp/test.txt' INTO TABLE ocb.test FIELDS TERMINATED BY ',' LINES TERMINATED BY '\n';
ERROR 1227 (42501): Access denied
obclient [oceanbase]> exit
Bye
[root@localhost ~]# docker exec -it obstandalone ob-mysql sys # Connect to the root account of a general tenant
login as root@sys
Command is: obclient -h127.1 -uroot@sys -A -Doceanbase -P2881
Welcome to the OceanBase. Commands end with ; or \g.
Your OceanBase connection id is 3221488957
Server version: 5.7.25 OceanBase 3.1.4 (r10000092022071511-b4bfa011ceaef428782dcb65ae89190c40b78c2f) (Built Jul 15 2022 11:45:14)
Copyright (c) 2000, 2022, OceanBase and/or its affiliates. All rights reserved.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
obclient [oceanbase]> LOAD DATA INFILE '/tmp/test.txt' INTO TABLE ocb.test FIELDS TERMINATED BY ',' LINES TERMINATED BY '\n';
Query OK, 3 rows affected, 3 warnings (0.011 sec)
Records: 3 Deleted: 0 Skipped: 0 Warnings: 0
obclient [oceanbase]>
obclient [oceanbase]> show variables;
+--------------------------------------+------------------------------------------------------------------------------------------------------------+
| Variable_name | Value |
+--------------------------------------+------------------------------------------------------------------------------------------------------------+
| autocommit | ON |
| auto_increment_cache_size | 1000000 |
| auto_increment_increment | 1 |
| auto_increment_offset | 1 |
| binlog_row_image | FULL |
| block_encryption_mode | aes-128-ecb |
| character_set_client | utf8mb4 |
| character_set_connection | utf8mb4 |
| character_set_database | utf8mb4 |
| character_set_filesystem | binary |
| character_set_results | utf8mb4 |
| character_set_server | utf8mb4 |
| character_set_system | utf8mb4 |
| collation_connection | utf8mb4_general_ci |
| collation_database | utf8mb4_general_ci |
| collation_server | utf8mb4_general_ci |
| concurrent_insert | AUTO |
| connect_timeout | 10 |
| datadir | /root/ob/store |
| default_authentication_plugin | mysql_native_password |
| default_password_lifetime | 0 |
| disabled_storage_engines | |
| div_precision_increment | 4 |
| error_count | 0 |
| error_on_overlap_time | OFF |
| explicit_defaults_for_timestamp | ON |
| foreign_key_checks | ON |
| general_log | OFF |
| group_concat_max_len | 1024 |
| have_openssl | YES |
| have_profiling | YES |
| have_ssl | YES |
| hostname | |
| identity | 0 |
| init_connect | |
| interactive_timeout | 28800 |
| is_result_accurate | ON |
| last_insert_id | 0 |
| lc_messages | en_US |
| license | |
| local_infile | ON |
| lock_wait_timeout | 31536000 |
| long_query_time | 10 |
| lower_case_table_names | 2 |
| max_allowed_packet | 4194304 |
| max_connections | 4294967295 |
| max_execution_time | 0 |
| max_sp_recursion_depth | 0 |
| max_user_connections | 0 |
| net_buffer_length | 16384 |
| net_read_timeout | 30 |
| net_write_timeout | 60 |
| ob_bnl_join_cache_size | 10485760 |
| ob_check_sys_variable | ON |
| ob_compatibility_mode | MYSQL |
| ob_create_table_strict_mode | OFF |
| ob_default_replica_num | 1 |
| ob_early_lock_release | OFF |
| ob_enable_aggregation_pushdown | ON |
| ob_enable_batched_multi_statement | OFF |
| ob_enable_blk_nestedloop_join | OFF |
| ob_enable_hash_group_by | ON |
| ob_enable_index_direct_select | OFF |
| ob_enable_jit | OFF |
| ob_enable_plan_cache | ON |
| ob_enable_sql_audit | ON |
| ob_enable_trace_log | OFF |
| ob_enable_transformation | ON |
| ob_enable_transmission_checksum | ON |
| ob_enable_truncate_flashback | OFF |
| ob_interm_result_mem_limit | 2147483648 |
| ob_last_schema_version | 1658416775235592 |
| ob_log_level | disabled |
| ob_max_parallel_degree | 32 |
| ob_org_cluster_id | 0 |
| ob_plan_cache_evict_high_percentage | 90 |
| ob_plan_cache_evict_low_percentage | 50 |
| ob_plan_cache_percentage | 5 |
| ob_pl_block_timeout | 3216672000000000 |
| ob_query_timeout | 10000000 |
| ob_read_consistency | STRONG |
| ob_reserved_meta_memory_percentage | 10 |
| ob_route_policy | READONLY_ZONE_FIRST |
| ob_sql_audit_percentage | 3 |
| ob_sql_work_area_percentage | 5 |
| ob_stmt_parallel_degree | 1 |
| ob_tcp_invited_nodes | % |
| ob_temp_tablespace_size_percentage | 0 |
| ob_timestamp_service | LTS |
| ob_trace_info | |
| ob_trx_idle_timeout | 120000000 |
| ob_trx_lock_timeout | -1 |
| ob_trx_timeout | 100000000 |
| optimizer_capture_sql_plan_baselines | ON |
| optimizer_use_sql_plan_baselines | ON |
| parallel_max_servers | 5 |
| parallel_servers_target | 4 |
| performance_schema | OFF |
| plugin_dir | ./plugin_dir/ |
| protocol_version | 10 |
| query_cache_size | 1048576 |
| query_cache_type | OFF |
| read_only | OFF |
| recyclebin | OFF |
| resource_manager_plan | |
| secure_file_priv | NULL |
| server_id | 0 |
| session_track_schema | ON |
| session_track_state_change | OFF |
| session_track_system_variables | time_zone, autocommit, character_set_client, character_set_results, character_set_connection |
| sql_auto_is_null | OFF |
| sql_mode | STRICT_ALL_TABLES |
| sql_quote_show_create | ON |
| sql_safe_updates | OFF |
| sql_select_limit | 9223372036854775807 |
| sql_throttle_cpu | -1 |
| sql_throttle_current_priority | 100 |
| sql_throttle_io | -1 |
| sql_throttle_logical_reads | -1 |
| sql_throttle_network | -1 |
| sql_throttle_priority | -1 |
| sql_throttle_rt | -1 |
| sql_warnings | OFF |
| ssl_ca | |
| ssl_capath | |
| ssl_cert | |
| ssl_cipher | |
| ssl_crl | |
| ssl_crlpath | |
| ssl_key | |
| system_time_zone | +00:00 |
| timestamp | 0 |
| time_format | %H:%i:%s |
| time_zone | +8:00 |
| tls_version | |
| tmpdir | |
| tmp_table_size | 16777216 |
| tracefile_identifier | |
| transaction_isolation | READ-COMMITTED |
| transaction_read_only | OFF |
| tx_isolation | READ-COMMITTED |
| tx_read_only | OFF |
| undo_retention | 0 |
| unique_checks | ON |
| validate_password_check_user_name | on |
| validate_password_length | 0 |
| validate_password_mixed_case_count | 0 |
| validate_password_number_count | 0 |
| validate_password_policy | low |
| validate_password_special_char_count | 0 |
| version | 3.1.4-OceanBase CE |
| version_comment | OceanBase 3.1.4 (r10000092022071511-b4bfa011ceaef428782dcb65ae89190c40b78c2f) (Built Jul 15 2022 11:45:14) |
| version_compile_machine | |
| version_compile_os | |
| wait_timeout | 28800 |
| warning_count | 0 |
+--------------------------------------+------------------------------------------------------------------------------------------------------------+
156 rows in set (0.002 sec)
obclient [oceanbase]>
维护操作
#删除
docker rm obstandalone
# 启动
docker run -itd --memory 8G --name obstandalone oceanbase/oceanbase-ce
#查看
docker ps -a
#查看日志
docker logs obstandalone
# oceanbase-standalone 镜像包含 obclient（OceanBase 数据库客户端）和默认连接脚本ob-mysql
# Connect to sys tenant
docker exec -it obstandalone ob-mysql sys
# Connect to the root account of a general tenant
docker exec -it obstandalone ob-mysql root
# Connect to the test account of a general tenant
docker exec -it obstandalone ob-mysql test
# 进入容器
docker exec it obstandalone bash
问题
强制关机后导致，开机后启动docker
[root@localhost ~]# docker ps -a
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
# 启动
[root@localhost ~]# systemctl start docker.service
[root@localhost ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
77e89271893e oceanbase/oceanbase-ce "/bin/sh -c _boot" 37 hours ago Exited (255) 10 seconds ago 0.0.0.0:2881->2881/tcp obstandalone
[root@localhost ~]#
# 启动数据库
[root@localhost ~]# docker start obstandalone
obstandalone
[root@localhost ~]#
[root@localhost ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
77e89271893e oceanbase/oceanbase-ce "/bin/sh -c _boot" 37 hours ago Up 3 seconds 0.0.0.0:2881->2881/tcp obstandalone
[root@localhost ~]#