SHOW MEMORY
Description
The SHOW MEMORY command returns memory metrics around HyperIndex.
Syntax
Syntax
BASH
SHOW MEMORY [ALL | <node_number>] [IN <table>]
A simple SHOW MEMORY returns metrics from Node 0.
ALL
Returns metrics from all nodes.
<node_number>
Allow fetching metrics from a specified node.
IN <table>
Allow retrieving HyperIndex metrics for a given table.
Output
ColumnName | description |
---|---|
node | Node number from memory metric |
schema | HyperIndex schema |
table | HyperIndex table |
table_type | HyperIndex table type (FACT,DIMENSION,EXTERNAL,LIMITED) |
index | HyperIndex name |
count | Number of entries in HyperIndex |
size_bytes_in_memory | Memory footprint of HyperIndex (in byte) |
dictionary_bytes_in_memory | Dictionary in-memory footprint (in byte) |
bucketsize_bytes_on_disk | Bucket size on disk (in byte) |
loaded | True if HyperIndex is loaded in memory |