Thanks for your useful information. By the way, can you give me an example about how I can define the customized logcleaner class.
regards! Yong On Sat, Feb 2, 2013 at 1:54 PM, ramkrishna vasudevan <ramkrishna.s.vasude...@gmail.com> wrote: > Ya i think that is the property that controls the archiving of the logs. > So the other properties are wrt Log Rolling and no of logs that is needed > before rolling happens. > But these parameters determine the time taken for recovery in case of RS > failure. > > Your purpose is to maintain the logs so that they dont get deleted? > > IF you are using 0.94 version then you have a way to plugin your own > logcleaner class. > 'BaseLogCleanerDelegate' is the default thing available. Customise your > logcleaner as per your requirement so that you can have a back up of the > logs. > > Hope this helps. > > Regards > Ram > > > On Sat, Feb 2, 2013 at 3:39 PM, yonghu <yongyong...@gmail.com> wrote: > >> Dear Ram, >> >> Thanks for your response. >> >> Yes Log means WAL logs. Now, I can define a postWALWrite trigger to >> write the WAL entries into the specific file as I want, however, it's >> too slow. The problem is that hbase automatically delete log entries. >> However, I found some properties such as hbase.master.logcleaner.ttl >> which I can use to indicate how long logs can exist. I think it can >> control the life cycle of the logs. If you know other opions, please >> let me know. >> >> Thanks! >> >> Yong >> >> On Sat, Feb 2, 2013 at 10:30 AM, ramkrishna vasudevan >> <ramkrishna.s.vasude...@gmail.com> wrote: >> > Logs of hbase you mean the normal logging or the WAL logs. Sorry am not >> > getting your question here. >> > WAL trigger is for the WAL logs. >> > >> > Regards >> > Ram >> > >> > On Sat, Feb 2, 2013 at 1:31 PM, yonghu <yongyong...@gmail.com> wrote: >> > >> >> Hello, >> >> >> >> For some reasons, I need to analyze the log of hbase. However, the log >> >> will be automatically deleted by GC of JVM (if I understand right). I >> >> wonder if there is a way to close automatically log deletion in HBase. >> >> By the way, I can collect Log by WAL trigger, but it's really slow. >> >> >> >> regards! >> >> >> >> Yong >> >> >>
