Dear LDM user, Version 6.13.0 of the LDM is now available at the following URL-s: LDM Homepage: htttp://unidata.ucar.edu/software/ldm LDM 6.13.0 Homepage: http://www.unidata.ucar.edu/software/ldm/ldm-6.13.0 LDM Download Page: http://www.unidata.ucar.edu/downloads/ldm/ As you can see from the attached CHANGE_LOG file, the major new feature with this release is a new logging system. The previous system used the system logging daemon by default; the new system doesn't. Instead, it writes directly into the standard LDM log file by default. This change was made because the previous system caused problems and wasn't 100% reliable (see the attached CHANGE_LOG file for details). The format of log messages is slightly different. Here's an example of a log message from the previous system: May 02 2016 20:16:25 chico.unidata.ucar.edu oliver.unidata.ucar.edu(feed)[14078] NOTE: Starting Up(6.12.14/6): 20160502191624.896 TS_ENDT {{ANY, ".*"}}, SIG=b12852828dac75021ac15b7064439754, Primary And here's that same type of message in the new format: 20160429T155919.718276Z oliver.unidata.ucar.edu(feed)[21104] NOTE up6.c:445:up6_run() Starting Up(6.13.0/6): 20160429145918.709017 TS_ENDT {{GPS, "(.*)"}}, SIG=f2693a8f53ba6736843a5300e30b68fd, Primary Note the timestamp is now in ISO 8601 format (which should make sorting easier). It also has microsecond resolution and is guaranteed to be in the UTC timezone. Note also the field containing the local hostname is missing (it was added by the system logging daemon) and a new field has been added that specifies the location where the message was generated in the form *file*:*line*:*func*(). Aside from slight differences in the format of log messages, you should be able to use the new logging system just like the previous one. In particular, you will still be able to send an LDM process a SIGUSR2 signal to rotate its logging level and the command ldmadmin newlog should still create a new LDM log file and rotate the names of the old ones. The old logging system still exists in the LDM library for backward-compatibility with third-party developers. Besides the new logging system, this version also has several other improvements and bug-fixes. See the attached CHANGE_LOG file for details. Regards, Steve Emmerson
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