Definitely, but it's not a critical issue yet since most of the major users don't use TTL as far as I know. I would recommend setting your region bigger than the default if meta size is becoming an issue.
An automatic online merge feature would be a nice contribution too. J-D On Feb 8, 2011 6:27 PM, "Zhou Shuaifeng" <[email protected]> wrote: > I think this function may should be part of hbase in the future version. Or > hbase may got problem when running long time. > Too many regions will cause meta data too large and occupy too much memory. > > Zhou Shuaifeng(Frank) > HUAWEI TECHNOLOGIES CO.,LTD. > > ---------------------------------------------------------------------------- > --------------------------------------------------------- > This e-mail and its attachments contain confidential information from > HUAWEI, which > is intended only for the person or entity whose address is listed above. Any > use of the > information contained herein in any way (including, but not limited to, > total or partial > disclosure, reproduction, or dissemination) by persons other than the > intended > recipient(s) is prohibited. If you receive this e-mail in error, please > notify the sender by > phone or email immediately and delete it! > > -----邮件原件----- > 发件人: [email protected] [mailto:[email protected]] 代表 Jean-Daniel > Cryans > 发送时间: 2011年2月9日 10:16 > 收件人: [email protected] > 主题: Re: Can region be merged with others automatically when all data in > the region has expired and removed ? > > There's an offline tool called Merge that you can use at your own > risk, but nothing currently will do it automagically. > > J-D > > On Tue, Feb 8, 2011 at 6:14 PM, Zhou Shuaifeng <[email protected]> > wrote: >> If not, there may be many empty or very small regions, and it will cause >> meta data too large. >> >> >> >> Zhou Shuaifeng(Frank) >> >> >> >> >> > ---------------------------------------------------------------------------- >> --------------------------------------------------------- >> This e-mail and its attachments contain confidential information from >> HUAWEI, which >> is intended only for the person or entity whose address is listed above. > Any >> use of the >> information contained herein in any way (including, but not limited to, >> total or partial >> disclosure, reproduction, or dissemination) by persons other than the >> intended >> recipient(s) is prohibited. If you receive this e-mail in error, please >> notify the sender by >> phone or email immediately and delete it! >> >> >> >> > >
