Thanks for your important information. I have found this information in the hbase-default.xml file.
Regards! Yong On Sun, Apr 15, 2012 at 8:36 PM, Manish Bhoge <manishbh...@rocketmail.com> wrote: > Yong, > > It is a Hlog log roll property that keep the log size 0 until the complete > block is written OR until it completes the log roll duration mentioned in > configuration (default 60 min). However it still persists the edits in .edit > files and once it reaches to the interval defined for log roll it writes back > to log. That is the reason you can see the logs(size) more than zero > byte.eventually it moves the log into .oldlogs also. > > Thanks > Manish > Sent from my BlackBerry, pls excuse typo > > -----Original Message----- > From: yonghu <yongyong...@gmail.com> > Date: Sun, 15 Apr 2012 18:58:45 > To: <user@hbase.apache.org> > Reply-To: user@hbase.apache.org > Subject: Re: dump HLog content! > > Thanks for your reply. After nearly 60minutes, I can see the Hlog volume. > > -rw-r--r-- 3 yonghu supergroup 2125 2012-04-15 17:34 > /hbase/.logs/yonghu-laptop,60020,1334504008467/yonghu-laptop%2C60020%2C1334504008467.1334504048854 > > I have no idea why it takes so long time. > > Yong > > On Sun, Apr 15, 2012 at 6:34 PM, yonghu <yongyong...@gmail.com> wrote: >> yes >> >> On Sun, Apr 15, 2012 at 6:30 PM, Ted Yu <yuzhih...@gmail.com> wrote: >>> Did 'HLog --dump' show real contents for a 0-sized file ? >>> >>> Cheers >>> >>> On Sun, Apr 15, 2012 at 8:58 AM, yonghu <yongyong...@gmail.com> wrote: >>> >>>> Hello, >>>> >>>> My hbase version is 0.92.0 and is installed in pseudo-mode. I found a >>>> strange situation of HLog. After I inserted new data value into table, >>>> the volume of HLog is 0. I checked in HDFS. >>>> >>>> drwxr-xr-x - yonghu supergroup 0 2012-04-15 17:34 /hbase/.logs >>>> drwxr-xr-x - yonghu supergroup 0 2012-04-15 17:34 >>>> /hbase/.logs/yonghu-laptop,60020,1334504008467 >>>> -rw-r--r-- 3 yonghu supergroup 0 2012-04-15 17:34 >>>> >>>> /hbase/.logs/yonghu-laptop,60020,1334504008467/yonghu-laptop%2C60020%2C1334504008467.1334504048854 >>>> >>>> But I can use hbase org.apache.hadoop.hbase.regionserver.wal.HLog >>>> --dump to see the content of log information. However, if I write java >>>> program to extract the log information. The output is null! Somebody >>>> knows why? >>>> >>>> Thanks! >>>> >>>> Yong >>>>
