* implement build index
Signed-off-by: Nyhmo <yihua.mo@zilliz.com>

* typo
Signed-off-by: Nyhmo <yihua.mo@zilliz.com>

* typo
Signed-off-by: Nyhmo <yihua.mo@zilliz.com>

* fix warning
Signed-off-by: Nyhmo <yihua.mo@zilliz.com>

* compress missed
Signed-off-by: Nyhmo <yihua.mo@zilliz.com>

* ssdb
Signed-off-by: Nyhmo <yihua.mo@zilliz.com>