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22.5.10.14 The ndbinfo cpustat_20sec Table
The cpustat_20sec
table provides raw,
per-thread CPU data obtained each 20 seconds, for each thread
running in the NDB
kernel.
Like cpustat_50ms
and
cpustat_1sec
, this table shows
20 measurement sets per thread, each referencing a period of the
named duration. Thus, cpsustat_20sec
provides
400 seconds of history.
The following table provides information about the columns in
the cpustat_20sec
table. For each column, the
table shows the name, data type, and a brief description.
Additional information can be found in the notes following the
table.
Table 22.388 Columns of the cpustat_20sec table
Column Name | Type | Description |
---|---|---|
node_id |
integer | ID of the node where the thread is running |
thr_no |
integer | Thread ID (specific to this node) |
OS_user_time |
integer | OS user time |
OS_system_time |
integer | OS system time |
OS_idle_time |
integer | OS idle time |
exec_time |
integer | Thread execution time |
sleep_time |
integer | Thread sleep time |
send_time |
integer | Thread send time |
buffer_full_time |
integer | Thread buffer full time |
elapsed_time |
integer | Elapsed time |
Document created the 26/06/2006, last modified the 26/10/2018
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