dsetool tieredtablestats
Outputs tiered storage information, including SSTables, tiers, timestamps, and sizes. Provides information on every table that uses tiered storage.
Synopsis
dsetool tieredtablestats keyspace_name.table_name [-v]
Syntax conventions
Syntax conventions | Description |
---|---|
UPPERCASE |
Literal keyword. |
Lowercase |
Not literal. |
|
Variable value. Replace with a valid option or user-defined value. |
|
Optional.
Square brackets ( |
|
Group.
Parentheses ( |
|
Or.
A vertical bar ( |
|
Repeatable.
An ellipsis ( |
|
Single quotation ( |
|
Map collection.
Braces ( |
|
Set, list, map, or tuple.
Angle brackets ( |
|
End CQL statement.
A semicolon ( |
|
Separate the command line options from the command arguments with two hyphens ( |
|
Search CQL only: Single quotation marks ( |
|
Search CQL only: Identify the entity and literal value to overwrite the XML element in the schema and solrconfig files. |
keyspace_name.table_name
-
Required. The keyspace and table names of the search index. Keyspace and table names are case-sensitive. Enclose names that contain uppercase in double quotation marks.
-v
-
Output statistics for each SSTable, in addition to the tier summaries.
Examples
To monitor all tables using tiered storage:
dsetool tieredtablestats
Output of command:
ks.tbl
Tier 0:
Summary:
max_data_age: 1449178580284
max_timestamp: 1449168678515945
min_timestamp: 1449168678515945
reads_120_min: 5.2188117172945374E-5
reads_15_min: 4.415612774014863E-7
size: 4839
SSTables:
/mnt2/ks/tbl-257cecf1988311e58be1ff4e6f1f6740/ma-3-big-Data.db:
estimated_keys: 256
level: 0
max_data_age: 1449178580284
max_timestamp: 1449168678515945
min_timestamp: 1449168678515945
reads_120_min: 5.2188117172945374E-5
reads_15_min: 4.415612774014863E-7
rows: 1
size: 4839
Tier 1:
Summary:
max_data_age: 1449178580284
max_timestamp: 1449168749912092
min_timestamp: 1449168749912092
reads_120_min: 0.0
reads_15_min: 0.0
size: 4839
SSTables:
/mnt3/ks/tbl-257cecf1988311e58be1ff4e6f1f6740/ma-4-big-Data.db:
estimated_keys: 256
level: 0
max_data_age: 1449178580284
max_timestamp: 1449168749912092
min_timestamp: 1449168749912092
reads_120_min: 0.0
reads_15_min: 0.0
rows: 1
size: 4839
To monitor the health_data
table using tiered storage:
dsetool tieredtablestats demo.health_data
To monitor the health_data
table with output for each SSTable:
dsetool tieredtablestats demo.health_data -v