Notification

• execute the command to run scouter client for Mac(OSX) xattr -cr scouter.client.app
• The following JAVA environment variable must be added to dynamically load SCRIPT PULGIN in a JAVA PROCESS running in JAVA 11 or later environments.
  • -Dadd-opensjava.base/java.lang=ALL-UNNAMED
• To generate a thread dump via scouter in a java 11 or later environment, the following java environment variable must be added.
  • -Djdk.attach.allowAttachSelf=true
• On issue to display xlog list table, remove the directory ~/.scouter/xlogcolumnfile/. (@user.home/scouter/xlogcolumnfile/ on Windows)

Features

client

[client] Added client for Apple silicon. (thx. zbum)

agent.java

[agent.java] Support java 20. [agent.java] Support virtual threads and include all or partial virtual thread information in thead dump. [agent.java] Support jakarta servlet. (thx. zbum) [agent.java] The lowest supported version has been changed to java 8. [agent.java] Support tracing for redisson. [agent.java] enable or disable java agent script plugin (javassist) behavior as a setting. (In response to javassist memory issues in certain environments) [agent.java] Added option to exclude stuck services from metering when handling force end in xlog that have not been terminated. (profile_force_end_stuck_ignore_metering)

agent.host

[agent.host] Removed sigar from dependencies and replaced with oshi as it is no longer updated for collecting OS metrics.

collector server

[server] Clean up duplicate elements when counters-site.xml is saved where duplicate elements exist.

webapp

[webapp] Added serveral APIs and improved functionality. (thx. yosong.heo, gaiajeon)

2.18.0-SNAPSHOT

Important

• execute the command to run scouter client for Mac(OSX) xattr -cr scouter.client.app
• scouter client for Mac needs Java11+
• On issue to display xlog list table, remove the directory ~/.scouter/xlogcolumnfile/. (@user.home/scouter/xlogcolumnfile/ on Windows)

Features

[client]

• support Mac OSX Monterey
• add socks5 settings on login popup
• [cubrid] When multiple objects are connected, unable to display information in viewer for CUBRID.
• [cubrid] added autoscroll on table and deleted unused sort function.

[agent.java]

• Only when the trace_propagete_b3_header option is true, the b3 header is used to determine gxid and txid.
• webflux support bug fix. (fix unfinished xlog on some jvm environment.
• add stuck service profile stop option.
• add scouter weaver feature for direct access scouter xlog on your code.

[scouter.weaver]

• add scouter weaver feature for direct access scouter xlog on your code.
  • https://github.com/scouter-project/scouter/blob/master/scouter.document/weaver/Weaver-Guide.md

[agent.host][agent.java]

• new feature of host object name convesion for kubernetes pods.
  • it appends sequencial number for host object name of kube deployment name. (eg. {deployment_name}_0, {deployment_name}_1 ...)
  • can be disabled by kube_pod_sequence_name_enabled=false at scouter's host conf file and java agent conf file.

v2.17.0-SNAPSHOT

v2.12.0.2.SNAPSHOT

Important

• execute the command to run scouter client for Mac(OSX) xattr -cr scouter.client.app
• We will find out the solution without it.
• scouter client for Mac needs Java11+

Features

[collector]

• support go lang agent.
• support Cubrid(DBMS) agent. (by hwany7seo, https://github.com/hwany7seo)

[client]

• support Mac OSX Big Sur (by zbum, https://github.com/zbum)
• support go lang agent.
• support Cubrid(DBMS) agent. (by hwany7seo, https://github.com/hwany7seo)

[agent.java]

• support java 17
• prepared statement parameter visiblity fix. (by jeonwoosung, https://github.com/jeonwoosung)
• XLog set/get performance improvement
• add option for b3 propagation header
• profile_thread_memory_usage_enabled defaults false
• option of dump step to check minimum elapsed time for trigger.
• hook_exception_exclude_class_patterns works for whole error marking now.(prev version works for only the classes set on hook_exception_exclude_class option.)

Bug Fix

• [client] fix that unable to export xlog profile in Windows.

v2.12.0.1.SNAPSHOT

Features

[agent.java]

• fix some webflux filter is separated from controller in xlogs.
• more enhancement of reactor checkpoint profiling.
• anonymous class hook option added

Bug Fix

• [agent.java] fix NPE on b3 propagaton by @kw-wi
• [agent.java] fix the elastic search profiling bug when the option profile_elasticsearch_full_query_enabled is true.

Features

[collector]

• some bugs are fixed.

[agent.java]

• support HikariDataSource metric on tomcat & spring boot. (thx for @ms29seo )
• support java 14
• add traceability of webflux
• add traceability of webflux in kotlin coroutine
• add reactor specific active service list & live stack trace
• add traceability of WebClient
• add traceability of ElasticSearch query
• add traceability of MongoDB query (defaut false, hook_mongodb_enabled = false)
• add option - xlog_sampling_exclude_patterns
• add option - xlog_consequent_sampling_ignore_patterns

[client]

• add sync/async service filtering option

MISC

• [agent.java] remove dependency on bytebuddy for experimental feature

Bug Fix

• [collector] fix that some summary data doesn't purged.
• [collector] fix that some discarded garbage profile data remains in a storage.

v2.9.9-SANPSHOT