caiconghui edited a comment on pull request #6384:
URL: https://github.com/apache/incubator-doris/pull/6384#issuecomment-901804587
> Did you do the benchmark ? how much it can improve ?
CREATE TABLE `baseall` (
`k1` tinyint(4) NULL COMMENT "",
`k2` smallint(6) NULL COMMENT "",
`k3` int(11) NULL COMMENT "",
`k4` bigint(20) NULL COMMENT "",
`k5` decimal(9, 3) NULL COMMENT "",
`k6` char(5) NULL COMMENT "",
`k10` date NULL COMMENT "",
`k11` datetime NULL COMMENT "",
`k7` varchar(20) NULL COMMENT "",
`k8` double NULL COMMENT "",
`k9` float NULL COMMENT ""
) ENGINE=OLAP
DUPLICATE KEY(`k1`, `k2`, `k3`, `k4`)
COMMENT "OLAP"
DISTRIBUTED BY HASH(`k1`) BUCKETS 10
PROPERTIES (
"replication_num" = "1",
"in_memory" = "false",
"storage_format" = "V2"
);
and insert more than one hundred thousand records，
the select * from baseall limit 100000;
the TupleConvertTime reduced from about 350ms to 180ms
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