Hi. Can we revive HBASE-15370: Backport Moderate Object Storage (MOB) to branch-1 ?
Even we have customers using this feature and it requires lots of effort to backport MOB patches from master branch to the released versions as the code base has lots of differences. Regards, Ashish -----Original Message----- From: Ted Yu [mailto:[email protected]] Sent: 12 May 2017 22:25 To: [email protected] Subject: Re: HBASE and MOB MOB is also backported in HDP 2.5.x FYI On Fri, May 12, 2017 at 9:51 AM, anil gupta <[email protected]> wrote: > Backporting MOB wont be a trivial task. > AFAIK, Cloudera backported MOB to HBase1.x branch for CDH(its not in > apache HBase1.x branch yet). It might be easier to just use CDH for MOB. > > On Fri, May 12, 2017 at 8:51 AM, Jean-Marc Spaggiari < > [email protected]> wrote: > > > Thanks for those details. > > > > How big are you PDF? Are they all small size? If they are not above > > 1MB, MOBs will not really be 100% mandatory. Even if few of them are above. > > > > If you want to apply the patch on another branch,this is what is > > called a back port (like Ted said before) and will require a pretty > > good amount of work. You can jump on that, but if you are not used > > to the HBase code, it might be a pretty big challenge... > > > > Another way is to look for an HBase distribution that already > > includes > the > > MOB code already. > > > > JMS > > > > 2017-05-12 11:21 GMT-04:00 F. T. <[email protected]>: > > > > > Hi Jean Marc > > > > > > I'm using a 1.2.3 version. I downloaded a "bin" version from > > > Apache official web site. Maybe I've to install it from the "src" > > > option with > > mvn ? > > > > > > I would like index PDF into Hbase and use it in a Solr collection. > > > > > > In fact I would like reproduce this process : > > > http://blog.cloudera.com/blog/2015/10/how-to-index-scanned- > > > pdfs-at-scale-using-fewer-than-50-lines-of-code/ > > > > > > > > > But maybe is there another solution to reproduce it . > > > > > > Fred > > > > > > > > > ________________________________ > > > De : Jean-Marc Spaggiari <[email protected]> Envoyé : > > > vendredi 12 mai 2017 17:06 À : user Objet : Re: HBASE and MOB > > > > > > Hi Fred, > > > > > > Can you please confirm the following information? > > > > > > 1) What exact version of HBase are you using? From a distribution, > build > > by > > > yourself, from the JARs, etc. > > > 2) Why do you think you need the MOB feature > > > 3) Is an upgrade an option for you or not really. > > > > > > Thanks, > > > > > > JMS > > > > > > > > > 2017-05-12 11:02 GMT-04:00 Ted Yu <[email protected]>: > > > > > > > It is defined here in > > > > hbase-client/src/main/java/org/apache/hadoop/hbase/ > > > HColumnDescriptor.java: > > > > public static final String IS_MOB = "IS_MOB"; > > > > > > > > MOB feature hasn't been backported to branch-1 (or earlier releases). > > > > > > > > Looks like you're using a vendor's release. > > > > > > > > Consider contacting the corresponding mailing list if you are stuck. > > > > > > > > On Fri, May 12, 2017 at 7:59 AM, F. T. <[email protected]> wrote: > > > > > > > > > Hi all, > > > > > > > > > > I'd like to use MOB in HBase to store PDF files. I'm using > > > > > Hbase > > 1.2.3 > > > > but > > > > > I'get this error creating a table with MOB column : NameError: > > > > > uninitialized constant IS_MOB. > > > > > > > > > > A lot of web sites (including Apache official web site) talk > > > > > about > > the > > > > > patch 11339 or HBase 2.0.0, but, I don't find any explanation > > > > > about > > the > > > > way > > > > > to install this patch and > > > > > > > > > > I can't find the 2.0.0 version anywhere. So I'm completly lost. > Could > > > you > > > > > help me please ? > > > > > > > > > > > > > > > > > > > > > > > -- > Thanks & Regards, > Anil Gupta >
