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Release Notes

Latest Version: v0.2.7​


2025-09-02

v0.2.7

Feature Added option to process Span data sequentially

  • When processing scopespan of Trace data, Span.Kind = KIND_SERVER is handled as a WhaTap transaction
  • Previous behavior: aggregated multiple KIND_SERVER spans in a single request and processed them at the end
  • With the option enabled, spans are processed sequentially
    • otel_tx_process_server_span_in_order_enabled
    • Default: false

2025-09-01

v0.2.6

Change Improved Span data processing method

  • Collect span data in a parent–child tree structure
  • Changed to process subsequent child spans even if an intermediate parent span is missing

Change Added attribute key names

  • Added the attribute key name http.response.status_code for collecting HTTP status codes

    • otel_attr_tx_status_keys
      • Default: http.status_code, http.response.status_code

  • Added the attribute key name error for collecting error information

    • otel_attr_error_keys
      • Default: error, error.type

2025-07-09

v0.2.5

Feature Treat spans without a parent as transactions

  • A span with no parent is treated as a transaction regardless of kind
  • Previously, only SPAN_KIND_SERVER was treated as a transaction
  • Related option: otel_tx_root_span_enabled (Default: true)

Feature Improved metrics collection method

  • Changed from log-based collection to a Prometheus-compatible approach
  • Viewable on Flex Board (MXQL data query)

Change Changed behavior of query_string_enabled option

  • If query_string_enabled is true and query_string_urls and query_string_keys are not set,
    collect query strings for all URLs

Fixed Fixed an issue with HTTP status counter collection

  • Fixed an issue where the sum of 5xx errors was not collected

2025-04-30

v0.2.4

Feature Mark HTTP status errors

  • Setting to mark as error when HTTP status code is 400 or higher

    • Key: transaction_status_error_enable
    • Type: bool
    • Default: false
    • Collection interval: 10 seconds

Feature Collect HTTP status code statistics

  • Setting to collect counts by status code across all URLs

    • Key: tx_status_meter_enabled
    • Type: bool
    • Default: true
    • Collection interval: 10 seconds

  • Setting to collect counts by status code per URL

    • Key: stat_txstatus_enabled
    • Type: bool
    • Default: true
    • Collection interval: 5 minutes

Feature Analyze distributed traces by configuring virtual HTTP call spans

  • Enable virtual spans when HTTP call span information is missing

    • Key: otel_virtual_httpc_enabled
    • Type: bool
    • Default: false

  • Set the name when HTTP call span information is missing

    • Key: otel_virtual_httpc_name
    • Type: string
    • Default: external http call

Fixed Fixed an error in the HTTP Method ignore setting

  • PATCH, OPTIONS, HEAD, and TRACE methods are not collected as transactions

2025-02-25

v0.2.3

Feature Added an option to set the transaction name from the span name value

  • otel_tx_path_setby_name_enabled bool (Default false)

Feature Added options for multi-transaction linkage recognizing a trace span’s SpanID as the external connection’s ParentSpanID

  • otel_mtrace_stepid_setby_trace_spanid_enabled bool (Default false)

Feature Added a log option to output the same content to Stdout as the file log

  • log_stdout_enabled bool (Default false)

Fixed Fixed an issue where a “file not found” error log was repeatedly printed if whatap.conf did not exist

Fixed Fixed an issue where the transaction ID was shown as 0

2024-12-11

v0.2.2

Feature Process transaction URL and URI information separately

Items previously labeled as URL are now labeled as URI.

Feature Modified external HTTP call URL notation to "Host:Port"

Feature Added default attribute keys for extracting Kong gateway information

2024-11-06

v0.2.1

Fixed Fixed an issue where a goroutine stopped due to an unexpected internal panic

Fixed Removed and cleaned up unnecessary logs

2024-06-19

v0.2.0

New Support for Linux aarch64

New Collect additional error information from span events

  • Collect when error information comes in as an event rather than an attribute.

  • Add agent configuration options to find errors in event.

    whatap.conf
    otel_events_exception_keys=exception.type
    otel_events_error_message_keys=exception.message
    otel_events_error_stack_keys=exception.stacktrace
    otel_events_error_esc_keys=exception.escaped

Changed Use security.conf instead of paramkey.txt

Use the value of the paramkey key in the existing security.conf file. Changed the default from a random value to WHATAP. When set to WHATAP, decryption can be done without entering a key.

Changed Changed SQL normalization option settings

  • Always enable parameter separation and normalization in SQL statements. Set trace_sql_normalize_enabled to true at all times.

  • If normalization was previously disabled, enable the setting to normalize and record parameters separately.

    • Set profile_sql_param_enabled to true.
    • Collect normalized parameters with separate encryption.
    • You can decrypt and view data using paramkey in security.conf.
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