Agreed. The tool looks very cool. I would prefer to see this functionality built into the hypertable command interpreter, so that we don't have to keep switching back-and-forth between tools to inspect the system.
- Doug 2008/12/15 Luke <[email protected]> > > On Dec 15, 1:41 am, "孔令华" <[email protected]> wrote: > > Hi Luke, > > > > Thank you very much!! It works. And I think the new config system is > > something like the getopt with some groups of predefined options, right? > > Yeah, it's similar but more extensible and provides better validation. > > > The only problem is that if I want to read some items from the > config-file > > without creating a client, is there any proper interface? > > Yes. I did have that use case in mind. You can create any properties > object use > {{{ > PropertiesPtr props = new Properties(); // I should provide a > short cut here > props->load(config_filename, Config::file_desc()); > }}} > > So the only interface difference with the old properties object for > 'load' is the second config file description object, which provides > default values and validation of the config file. > > > http://groups.google.com/group/hypertable-dev/web/htdump.tgz?hl=en > > This program is written by us used to monitor the hypertable cluster. And > I > > cannot find an elegant way to make it work with the new config system. > And > > you can use it to help me to learn the new config system, thank you very > > much. > > The least disruptive changes would use the properties object like the > above. There are more elegant changes (shorter code, better defaults/ > validation of the properties) of course. The program looks useful. Do > you mind that we include this in the src/cc/Tools, so that we can > maintain it when the interface changes (we have some major hyperspace > changes in the works that would require changes to this program) > > __Luke > > > > > Best wishes! > > > > 2008/12/13 Luke <[email protected]> > > > > > > > > > > > > > On Dec 12, 4:38 am, Phoenix <[email protected]> wrote: > > > > Hi Doug, > > > > > > Oh, sorry. Java6 was mentioned. I missed it. > > > > > > And now it seems that the config is a problem for me. Can you give > > > > some instructions? And the apache example is out of date. Perhaps > > > > it's time to update it. > > > > > The apache examples should still work as is. The only thing that > > > prevent it from working properly is probably the timeout changes from > > > second to milliseconds, so the RETRY_TIMEOUT in the load program > > > should be 30000 now. I've updated the wiki to reflect that. > > > > > > Thank you. :) > > > > > > Best wishes > > > > > > On Dec 12, 7:16 pm, Phoenix <[email protected]> wrote: > > > > > > > Hi Doug, > > > > > > > According to the src, now the config-options need something called > > > > > Policy which makes it hard to write client program. > > > > > > > In older versions I can run a client program on another machine > that > > > > > just needs a config file. But now it seems hard to do so. The > > > > > configurations is get from the Config namespace, I donnot know how > to > > > > > force it read from a local config file. I tried the Properties > ::load > > > > > but failed. A Properties constructor which accepts a config file as > a > > > > > parameter may help a lot. > > > > > > > Perhaps we need more and update examples. And also the Makefile now > > > > > needs more libraries to link with. An example is helpful. > > > > > > > BTW, the DfsBroker is using java6 now. It would be better to > mention > > > > > this in the log. As the earlier version can be used with java5. > > > > > > > Best wishes. > > > > > > > On Dec 9, 5:07 am, "Doug Judd" <[email protected]> wrote: > > > > > > > > This latest version of Hypertable is incompatible with older > > > versions. Here > > > > > > is a list of the incompatibilities: > > > > > > > > 1. All timeouts have changed from seconds to milliseconds > > > > > > 2. Hyperspace data format has changed > > > > > > 3. Network wire protocol has changed > > > > > > > > To use this release, you will have to start with a clean > database. > > > If you > > > > > > have any pre-existing config files, you will have to modify them > by > > > changing > > > > > > all of the time properties from *seconds* to *milliseconds*. > Also, > > > there > > > > > > are a few more build dependencies: > > > > > > > > SIGAR (http://sourceforge.net/projects/sigar/) > > > > > > libevent (only required for optional ThriftBroker build) > > > > > > thrift (only required for optional ThriftBroker build) > > > > > > > > - Doug > > > > -- > > ****************************************************** > > Microprocessor R&D Center, Peking University > > Beijing, P.R.China, 100871 > > Tel: 8610-62765828 ext. 874 > > Fax: 8610-62756231 > > Email: [email protected] > > ****************************************************** > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Hypertable Development" group. 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