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.

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>

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