云数据库 RDS

产品文档

云数据库 RDS

限制说明

最大连接数限制

MariaDB

实例规格 最大连接数
1核 1GB 300
1核 2GB 600
1核 4GB 1200
2核 8GB 2000
2核 16GB 3000
4核 16GB 4000
4核 32GB 6000
8核 32GB 8000
8核 64GB 12000
16核 64GB 16000
16核 128GB 24000

MariaDB 只读实例

实例规格 最大连接数
1核 1GB 300
1核 2GB 600
1核 4GB 1200
2核 8GB 2000
2核 16GB 3000
4核 16GB 4000
4核 32GB 6000
8核 32GB 8000
8核 64GB 12000
16核 64GB 16000
16核 128GB 24000

功能限制

缩容操作

  • 现在不支持实例的缩容。

实例恢复

  • 针对已经删除的实例,不支持恢复。

创建实例

  • 针对单地域的实例数是有限制的,一个地域默认最多支持 5 个实例,如果有更多实例需求,请提交工单。

数据库库名保留关键字

mysql,information_schema,performance_schema,sys,percona, admin, aurora, replicator, xtrabak, root, mysql, test, eagleye, information_schema, guest, add, analyze, asc, between, blob, call, change, check, condition, continue, cross, current_timestamp, database, day_microsecond, dec, default, desc, distinct, double, each, enclosed, exit, fetch, float8, foreign, goto, having, hour_minute, ignore, infile, insensitiv, int1, int4, interval, iterate, keys, leading, like, lines, localtimestamp, longblob, low_priority, mediumint, minute_microsecond, modifies, no_write_to_binlog, on, optionally, out, precision, purge, read, references, rename, require, revoke, schema, select, set, spatial, sqlexception, sql_big_result, ssl, table, tinyblob, to, true, unique, update, using, utc_timestamp, varchar, when, with, xor, all, and, asensitive, bigint, both, cascade, char, collate, connection, convert, current_date, current_user, databases, day_minute, decimal, delayed, describe, distinctrow, drop, else, escaped, explain, float, for, from, grant, high_priority, hour_second, in, inner, insert, int2, int8, into, join, kill, leave, limit, load, lock, longtext, match, mediumtext, minute_second, natural, null, optimize, or, outer, primary, raid0, reads, regexp, repeat, restrict, right, schemas, sensitive, show, specific, sqlstate, sql_calc_found_rows, starting, terminated, tinyint, trailing, undo, unlock, usage, utc_date, values, varcharacter, where, write, year_month, alter, as, before, binary, by, case, character, column, constraint, create, current_time, cursor, day_hour, day_second, declare, delete, deterministic, div, dual, elseif, exists, false, float4, force, fulltext, group, hour_microsecond, if, index, inout, int, int3, integer, is, key, label, left, linear, localtime, long, loop, mediumblob, middleint, mod, not, numeric, option, order, outfile, procedure, range, real, release, replace, return, rlike, second_microsecond, separator, smallint, sql, sqlwarning, sql_small_result, straight_join, then, tinytext, trigger, union, unsigned, use, utc_time, varbinary, varying, while, x509, zerofill, jcloud_yunding_db_push, jcloudv_push_rw, jcloudv_push_ro, jddb_percona

数据库账号保留关键字

root,admin,os_admin,replicater,monitor,percona, admin, aurora, replicator, xtrabak, root, mysql, test, eagleye, information_schema, guest, add, analyze, asc, between, blob, call, change, check, condition, continue, cross, current_timestamp, database, day_microsecond, dec, default, desc, distinct, double, each, enclosed, exit, fetch, float8, foreign, goto, having, hour_minute, ignore, infile, insensitiv, int1, int4, interval, iterate, keys, leading, like, lines, localtimestamp, longblob, low_priority, mediumint, minute_microsecond, modifies, no_write_to_binlog, on, optionally, out, precision, purge, read, references, rename, require, revoke, schema, select, set, spatial, sqlexception, sql_big_result, ssl, table, tinyblob, to, true, unique, update, using, utc_timestamp, varchar, when, with, xor, all, and, asensitive, bigint, both, cascade, char, collate, connection, convert, current_date, current_user, databases, day_minute, decimal, delayed, describe, distinctrow, drop, else, escaped, explain, float, for, from, grant, high_priority, hour_second, in, inner, insert, int2, int8, into, join, kill, leave, limit, load, lock, longtext, match, mediumtext, minute_second, natural, null, optimize, or, outer, primary, raid0, reads, regexp, repeat, restrict, right, schemas, sensitive, show, specific, sqlstate, sql_calc_found_rows, starting, terminated, tinyint, trailing, undo, unlock, usage, utc_date, values, varcharacter, where, write, year_month, alter, as, before, binary, by, case, character, column, constraint, create, current_time, cursor, day_hour, day_second, declare, delete, deterministic, div, dual, elseif, exists, false, float4, force, fulltext, group, hour_microsecond, if, index, inout, int, int3, integer, is, key, label, left, linear, localtime, long, loop, mediumblob, middleint, mod, not, numeric, option, order, outfile, procedure, range, real, release, replace, return, rlike, second_microsecond, separator, smallint, sql, sqlwarning, sql_small_result, straight_join, then, tinytext, trigger, union, unsigned, use, utc_time, varbinary, varying, while, x509, zerofill, jcloud_yunding_db_push, jcloudv_push_rw, jcloudv_push_ro, jddbaclholder
更新时间:2019-08-07 19:44:00