tail search command
This search command provides the last N number of search results. When you run this command, the events that were indexed last (most recently) are displayed in ascending order.
You can specify a limit in the syntax to return the maximum number (N) of search results. If you run this command without specifying a limit, by default the product returns the first 10 results.
This topic contains the following information:
For a list of all search commands, see Search commands.
Syntax
tail N
OR
tail limit=<integer>
In the preceding syntax, N or <integer> refers to an integer value that indicates the maximum number of records that you want to see.
Short examples
Example 1: Return the last 10 records.
... | tail Example 2: Return the last 20 records.
... | tail limit=20 Example 2: Return the last 2 records.
... | tail 2Long example
The following sample data and sample indexed data (displayed on the Search tab) will help you understand the examples of using the tail command.
Sample data
10.1.1.140 - - [11/Jul/2013:15:01:52 -0700] "GET /themes/ComBeta/images/bullet.png |
10.1.1.140 - - [11/Jul/2013:15:02:52 -0700] "GET /themes/ComBeta/images/bullet.png |
10.1.1.141 - - [11/Jul/2013:15:03:52 -0700] "PUT /themes/ComBeta/images/bullet.png |
10.1.1.141 - - [11/Jul/2013:15:04:52 -0700] "POST /themes/ComBeta/images/bullet.png |
Sample indexed data
10.1.1.141 - - [11/Jul/2013:15:04:52 -0700] "POST /themes/ComBeta/images/bullet.png HOST=local.bmc.com |ResponseSize=100|COLLECTOR_NAME=u4 |ClientIp=10.1.1.141 |ResponseCode=200 |RequestType=POST|RequestURL=/themes/ComBeta/images/bullet.png |
10.1.1.141 - - [11/Jul/2013:15:03:52 -0700] "PUT /themes/ComBeta/images/bullet.png HOST=local.bmc.com |ResponseSize=200|COLLECTOR_NAME=u4 |ClientIp=10.1.1.141 |ResponseCode=201 |RequestType=PUT|RequestURL=/themes/ComBeta/images/bullet.png |
10.1.1.140 - - [11/Jul/2013:15:02:52 -0700] "GET /themes/ComBeta/images/bullet.png HOST=local.bmc.com |ResponseSize=150|COLLECTOR_NAME=u4 |ClientIp=10.1.1.140 |ResponseCode=201 |RequestType=GET|RequestURL=/themes/ComBeta/images/bullet.png |
10.1.1.140 - - [11/Jul/2013:15:01:52 -0700] "GET /themes/ComBeta/images/bullet.png HOST=local.bmc.com |ResponseSize=100|COLLECTOR_NAME=u4 |ClientIp=10.1.1.140 |ResponseCode=404 |RequestType=GET|RequestURL=/themes/ComBeta/images/bullet.png |
tail with limit option
In this example, you use the command to find the last two records that occurred (as per the event time stamp).
Command
... | tail 2
OR
... | tail limit=2
Output
10.1.1.141 - - [11/Jul/2013:15:04:52 -0700] "POST /themes/ComBeta/images/bullet.png HOST=local.bmc.com |ResponseSize=100|COLLECTOR_NAME=u4 |ClientIp=10.1.1.141 |ResponseCode=200 |RequestType=POST|RequestURL=/themes/ComBeta/images/bullet.png |
10.1.1.141 - - [11/Jul/2013:15:03:52 -0700] "PUT /themes/ComBeta/images/bullet.png HOST=local.bmc.com |ResponseSize=200|COLLECTOR_NAME=u4 |ClientIp=10.1.1.141 |ResponseCode=201 |RequestType=PUT|RequestURL=/themes/ComBeta/images/bullet.png |
Note
Using very large limit sizes can negatively impact your system performance.
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