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LPEC-N",2017-09-25,"B","2017 dress Women","red","M",29,2017-09-28,47,"not good at all." 60,"NQAB-O",2017-09-26,"B","2017 jacket women","red","S",69,2017
tcp_keepalives_count 参数说明：在支持TCP_KEEPCNT套接字选项的操作系统上，设置GaussDB(DWS)服务端在断开与客户端连接之前可以等待的保持活跃信号个数。
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GAUSS-03635: "no live root page found in index '%s'" SQLSTATE: XX000 错误原因：B-tree索引没有root节点。 解决办法：内部错误，属于预防性报错机制。请联系技术支持工程师提供技术支持。
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{ "logical_clusters" : [ { "logical_cluster_id" : "fa9d69a0-3814-4fb9-98df-d9f4f5ef53ca", "logical_cluster_name" : "elastic_group",
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a44b-c50b24f6caae", "name": "test_dis", "status": "creating", "dr_type": "az", "primary_cluster_id": "3ef5daaa-d017-4354-80b3-8a69caf2e094
LPEC-N",2017-09-25,"B","2017 dress Women","red","M",29,2017-09-28,47,"not good at all." 60,"NQAB-O",2017-09-26,"B","2017 jacket women","red","S",69,2017
1 2 3 4 5 SELECT schemaname AS schema, relname AS table_name, n_live_tup AS analyze_count, pg_size_pretty(pg_table_size(relid)) as table_size
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PKG') and l_quantity >= 1 and l_quantity <= 1 + 10 and p_size between 1 and 5 and l_shipmode in ('AIR', 'AIR REG') and l_shipinstruct = 'DELIVER
n_live_tup bigint live行估计数。 n_dead_tup bigint dead行估计数。 dirty_rate bigint 单节点的脏页率（单CN或单DN级）。
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