SHOW TABLE STATUS LIKE 执行时间要十几秒是什么问题？

OceanBase 技术问题
#1

【 使用环境 】生产环境
【 OB or 其他组件 】OB
【 使用版本 】4.2.1
【问题描述】SHOW TABLE STATUS LIKE 执行时间要十几秒，这个跟什么因素有关？是哪里配置不对还是什么问题？
【复现路径】每次查询都要十几秒
【附件及日志】
oblog.zip (7.1 KB)

#3

执行下 GV$OB_SQL_AUDIT看一看。 OceanBase分布式数据库-海量数据 笔笔算数
表数据是多少呢？

#4

*************************** 1. row ***************************
SVR_IP: 10.5.xx.xx
SVR_PORT: 2882
REQUEST_ID: 757010402
SQL_EXEC_ID: 1381401542
TRACE_ID: YB420A05820F-000612E4FDDF43CB-0-0
SID: 3222081928
CLIENT_IP: 10.5.xx.xx
CLIENT_PORT: 60496
TENANT_ID: 1016
TENANT_NAME: payment
EFFECTIVE_TENANT_ID: 1016
USER_ID: 200001
USER_NAME: root
USER_GROUP: 0
USER_CLIENT_IP: 10.5.xx.xx
DB_ID: 500002
DB_NAME: payment
SQL_ID: 1D74B418055588B8C94F1A2E4ECEA51D
QUERY_SQL: SHOW TABLE STATUS
PLAN_ID: 566977
AFFECTED_ROWS: 0
RETURN_ROWS: 488
PARTITION_CNT: 1
RET_CODE: 0
QC_ID: 0
DFO_ID: 0
SQC_ID: 0
WORKER_ID: 0
EVENT:
P1TEXT:
P1: 0
P2TEXT:
P2: 0
P3TEXT:
P3: 0
LEVEL: 0
WAIT_CLASS_ID: 100
WAIT_CLASS#: 0
WAIT_CLASS: OTHER
STATE: MAX_WAIT TIME ZERO
WAIT_TIME_MICRO: 0
TOTAL_WAIT_TIME_MICRO: 0
TOTAL_WAITS: 0
RPC_COUNT: 0
PLAN_TYPE: 1
IS_INNER_SQL: 0
IS_EXECUTOR_RPC: 0
IS_HIT_PLAN: 0
REQUEST_TIME: 1710984694596667
ELAPSED_TIME: 17900263
NET_TIME: 0
NET_WAIT_TIME: 2
QUEUE_TIME: 11
DECODE_TIME: 0
GET_PLAN_TIME: 1951
EXECUTE_TIME: 17898288
APPLICATION_WAIT_TIME: 0
CONCURRENCY_WAIT_TIME: 0
USER_IO_WAIT_TIME: 0
SCHEDULE_TIME: 0
ROW_CACHE_HIT: 0
BLOOM_FILTER_CACHE_HIT: 0
BLOCK_CACHE_HIT: 0
DISK_READS: 0
RETRY_CNT: 0
TABLE_SCAN: 0
CONSISTENCY_LEVEL: 3
MEMSTORE_READ_ROW_COUNT: 0
SSSTORE_READ_ROW_COUNT: 0
DATA_BLOCK_READ_CNT: 0
DATA_BLOCK_CACHE_HIT: 0
INDEX_BLOCK_READ_CNT: 0
INDEX_BLOCK_CACHE_HIT: 0
BLOCKSCAN_BLOCK_CNT: 0
BLOCKSCAN_ROW_CNT: 0
PUSHDOWN_STORAGE_FILTER_ROW_CNT: 0
REQUEST_MEMORY_USED: 10663024
EXPECTED_WORKER_COUNT: 0
USED_WORKER_COUNT: 0
SCHED_INFO: NULL
FUSE_ROW_CACHE_HIT: 0
PS_CLIENT_STMT_ID: -1
PS_INNER_STMT_ID: -1
TX_ID: 0
SNAPSHOT_VERSION: 0
REQUEST_TYPE: 2
IS_BATCHED_MULTI_STMT: 0
OB_TRACE_INFO: NULL
PLAN_HASH: 3202560346631983120
LOCK_FOR_READ_TIME: 0
PARAMS_VALUE:
RULE_NAME:
PARTITION_HIT: 1
TX_INTERNAL_ROUTING: 0
TX_STATE_VERSION: 0
FLT_TRACE_ID: 00061421-aaf0-0402-c2b2-7e0ab6b1a337

#5

421的实现上比较慢，会遍历全部的库下的表来match表名，新版本上已经进行优化