Index CLI Commands
db show io
- Function
Views the I/O statistics of an index.
- Syntax
db show io
- Parameters
Parameter
Description
Value
N/A
N/A
N/A
db show label
- Function
Displays label statistics of an index.
- Syntax
db show label
- Parameters
Parameter
Description
Value
N/A
N/A
N/A
db show db
- Function
Views the database statistics of an index, that is, the index database that stores different types of metadata.
- Syntax
db show db {all | lunmap | fp | op | dt | st | fpinuse | <dbid>} [detail | sg]
- Parameters
Parameter
Description
Value
all
Queries all metadata database statistics at the index layer.
all
lunmap
Queries statistics of the database corresponding to the data mapping table.
lunmap
fp
Queries the statistics of the database corresponding to the deduplication fingerprint table. Currently, deduplication is not supported. Therefore, the number of databases is fixed at 0.
fp
op
Queries the statistics of the database corresponding to the deduplication reverse mapping table. Currently, deduplication is not supported. Therefore, the number of databases is fixed at 0.
op
dt
Queries statistics about the database for garbage collection.
dt
st
Queries statistics about the database corresponding to the key metadata of an index.
st
fpinuse
Queries the statistics of the database corresponding to the fingerprint that is being used for deduplication. Currently, deduplication is not supported. Therefore, the number of databases is fixed at 0.
spinuse
<dbid>
Collects database statistics based on the database ID.
0 - 264–1
detail
(Optional) Lists the detailed table information of the corresponding database.
detail
sg
(Optional) Lists the group information of a database.
sg
db show keynum
- Function
Views the number of keys in the index database (that is, the database where the index stores different types of metadata).
- Syntax
db show keynum <dbid>
- Parameters
Parameter
Description
Value
<dbid>
Collects database statistics based on the database ID.
0 - 2^64-1
kvs show storageinfo
- Function
Views the storage volume, usage, and maximum capacity of Ceph. You are advised to use the default features to create an RBD image and enable the fast-diff features. Otherwise, the capacity query may time out.
- Syntax
kvs show storageinfo
- Parameters
Parameter
Description
Value
N/A
N/A
N/A
kvs show all diskpoolstats
- Function
Views the space statistics of the disk pool.
- Syntax
kvs show all diskpoolstats <diskpoolid>
- Parameters
Parameter
Description
Value
<diskpoolid>
Specifies the ID of the disk pool to be queried.
127
kvs show all cephpoolstats
- Function
Views the compression rate of a Ceph pool.
- Syntax
kvs show all cephpoolstats <cephpoolid>
- Parameters
Parameter
Description
Value
<cephpoolid>
Specifies the ID of the Ceph pool to be queried.
0 - (232–1)