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 legend
| Syntax conventions | Description |
|---|---|
Italic, bold, or |
Syntax diagrams and code samples use one or more of these styles to mark placeholders for variable values. Replace placeholders with a valid option or your own user-defined value. In CQL statements, angle brackets are required to enclose data types in a set, list, map, or tuple.
Separate the data types with a comma.
For example: In Search CQL statements, angle brackets are used to identify the entity and literal value to overwrite the XML element in the schema and |
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Square brackets surround optional command arguments. Do not type the square brackets. |
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Parentheses identify a group to choose from. Do not type the parentheses. |
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A pipe separates alternative elements. Type any one of the elements. Do not type the pipe. |
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Indicates that you can repeat the syntax element as often as required. |
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Single quotation marks must surround literal strings in CQL statements.
Use single quotation marks to preserve upper case.
+
For Search CQL only: Single quotation marks surround an entire XML schema declaration, such as |
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Map collection.
Curly braces enclose maps ( |
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Ends a CQL statement. |
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Separate command line options from command arguments with two hyphens. This syntax is useful when arguments might be mistaken for command line options. |
- 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