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- You can now force unsatisfiable Range: requests to go to origin even when read-while-writer is in effect. This can help avoid significant latency on large objects. The setting is overloaded on the existing proxy.config.cache.enable_read_while_writer configuration.
- The option to specify configuration location, proxy.config.config_dir, is now actually implemented.
traffic_line
- traffic_line -m is now using an unachored regular expression, similar to how diagnostic tracers work.
- traffic_line --backtrace will produce a stack backtrace for all running threads.
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A new command line utility, traffic_layout, is now available. This will show the layout and configuration option for the ATS build tree.
Jira: TS-3041
traffic_via
This is a new command line tool, to parse and decipher the Via: header that Traffic Server can produce. This is useful for debugging e.g. cache results etc.
Jira: TS-3149
TLS
We continue to improve our TLS (HTTPS) features and support. Noteworthy in 5.2.x is:
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