dsetool tieredtablestats

Outputs tiered storage information, including SSTables, tiers, timestamps, and sizes. Provides information on every table that uses tiered storage.

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]
Table 1. Legend
Syntax conventions Description
UPPERCASE Literal keyword.
Lowercase Not literal.
Italics Variable value. Replace with a valid option or user-defined value.
[ ] Optional. Square brackets ( [ ] ) surround optional command arguments. Do not type the square brackets.
( ) Group. Parentheses ( ( ) ) identify a group to choose from. Do not type the parentheses.
| Or. A vertical bar ( | ) separates alternative elements. Type any one of the elements. Do not type the vertical bar.
... Repeatable. An ellipsis ( ... ) indicates that you can repeat the syntax element as often as required.
'Literal string' Single quotation ( ' ) marks must surround literal strings in CQL statements. Use single quotation marks to preserve upper case.
{ key:value } Map collection. Braces ( { } ) enclose map collections or key value pairs. A colon separates the key and the value.
<datatype1,datatype2> Set, list, map, or tuple. Angle brackets ( < > ) enclose data types in a set, list, map, or tuple. Separate the data types with a comma.
cql_statement;End CQL statement. A semicolon ( ; ) terminates all CQL statements.
[ -- ] Separate the command line options from the command arguments with two hyphens ( -- ). This syntax is useful when arguments might be mistaken for command line options.
' <schema> ... </schema> ' Search CQL only: Single quotation marks ( ' ) surround an entire XML schema declaration.
@xml_entity='xml_entity_type' 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