Analyzer upstream-error-packets

Name

upstream-error-packets - Capture the upstream packets that have specific error code

Resource Category

Network I/O.

Application Type & Technical Stack

  • OpenResty
  • Nginx

Parameters

The following parameters (or global variables) can be overridden by the user when running the analyzer or tool:

http_status_code

Type: int

Description: HTTP status code(default 504)

Default Value: 504

max_samples

Type: int

Description: Max samples to capture

Default Value: 10

max_sample_time

Type: int

Description: Max sample time in seconds

Default Value: 10

buffer_size

Type: int

Description: buffer size for capturing packets in MB.

Default Value: 50

snap_len

Type: int

Description: max capture bytes of the packet

Default Value: 68

Command Line Syntax

The analyzer can be invoked directly on the command-line via the orxray utility from the openresty-xray-cli software package.

Alternatively, the analyzer can also be invoked manually or automatically on the web console UI of OpenResty XRay (like on the Advanced web page).

# PID is the target process PID.
orxray analyzer run upstream-error-packets -p PID

# trace a shell command directly
orxray analyzer run upstream-error-packets -c SHELL_CMD

# PGID is the process group ID or any process's PID within the target process
# group.
orxray analyzer run upstream-error-packets -p -PGID

# trace any processes started from the specified executable path.
orxray analyzer run upstream-error-packets --exe /path/to/exe/file

Tracing Multiple Processes

Supported.

Output Formats

  • Plain Texts

Author

The OpenResty Inc. Team.

Copyright (C) by OpenResty Inc. All rights reserved.