sow
Clicking the sow link will list all available topics in the SOW for this AMPS instance. Selecting a single topic will list the following available statistics about the topic:
Element
Description
Type
delete_count
Number of deletes processed by the SOW.
cumulative
deletes_per_sec
Number of deletes per second processed by the SOW.
interval average
device
Device the topic is stored on, if applicable.
fixed
historical_granularity
The granularity at which the SOW maintains history for this topic (if set).
fixed
historical_window
The window for which the SOW maintains history for this topic (if set).
fixed
insert_count
Count of the number of new records inserted into this topic.
cumulative
inserts_per_sec
Rate of inserts into this topic.
interval average
memory_bytes
The number of bytes of memory used for this topic.
This metric includes:
messages stored in the topic
metadata for the messages in the topic
indices for the topic (both memo indices and hash indices)
Notice that, particularly when the topic is heavily indexed, this can be larger than the message size. Indices are not persisted, so this can also be larger than the space used for persisting the topic data.
snapshot
mmaps
The number of memory maps used for this topic in the SOW.
snapshot
message_type
Message type for this topic.
fixed
path
File system location of the SOW topics file store.
fixed
queries_per_sec
Rate of queries for this SOW topic.
interval average
query_count
Number of queries processed for this topic.
cumulative
record_size
Record size for the topic in the SOW.
For SOW files created with current versions of AMPS, this will always return the same value.
fixed
resident_percent
Percentage of the storage of this topic that is currently resident in memory.
snapshot
slab_count
The total number of slabs allocated for this SOW topic.
snapshot
slab_size
The slab size for this SOW topic.
fixed
stored_bytes
Number of bytes stored for this topic.
snapshot
topic
Name of this SOW topic.
fixed
update_count
Number of updates to existing records processed by this topic.
cumulative
updates_per_sec
Number of updates to existing records per second.
interval average
valid_keys
Number of distinct messages in the SOW - defined by the SOW topic key.
For topics that maintain a history, this shows the total number of messages that the SOW maintains, which may be larger than the number of messages that would be returned by a query at the current time, or the number of messages that would be returned by a query at a historical point in time.
snapshot
Statistics Database Tables: ISOW_STATIC, ISOW_DYNAMIC
Admin Path: /amps/instance/sow/<identifier>/<metric>
Last updated