You have to config the Codec KeyValueCodecWithTags at client side. Server also will use same Codec to talk with this client. Ya just check with a java client 1st and then experiment with shell. -Anoop- On Tue, May 3, 2016 at 9:43 PM, ramkrishna vasudevan wrote: > Hi Benedict > > As super user you should be able to get back the tags as ordinals and make > sure you set the codec KeyValueCodecWithTags. > But I am not sure if it is possible to do it from the hBase shell. Can you > try from a java client ? > > I did not do the hands on of late on this but I can do it if you face any > difficulties and revert back if needed. > > Regards > Ram > > On Tue, May 3, 2016 at 8:19 PM, > wrote: > >> Hi Anoop, >> >> Can I still get the labels back (as ordinals, as a super user, and using >> the KeyValueCodecWithTags codec) using the HBase shell? >> >> If so, what are the steps I need to take (i.e. doesn't seem to be working >> for me, but then I've likely made a mistake setting the codec). >> >> Thanks, >> >> Ben >> >> > -----Original Message----- >> > From: Anoop John [mailto:anoop.hbase@gmail.com] >> > Sent: 15 September 2015 14:28 >> > To: user@hbase.apache.org >> > Subject: Re: Access cell tags from HBase shell >> > >> > We are not returning back the cell labels back to client. So what I >> > will >> > recommend you to test is by having a predicate in scan and test you see >> > only the relevant data back. >> > But there is way to return cells (all*) with out any vis check and >> > cells in >> > client will have the vis label tag also in it. This is by issuing the >> > scan >> > as a super user. And also set the codec as KeyValueCodecWithTags. >> > But one thing we wont be storing the vis label with Cells as string.. >> > We >> > will optimize.. We will store them as ordinals and & and | condition >> > also >> > we will optimize. So even if you read back the vis label tags back in >> > client it will be hard to parse it and understand.. Any thing more you >> > would like to know, pls let me know.. Will be happy to help. >> > >> > BTW once you test and if start to use the feature pls let me know.. >> > Will >> > be great to hear the usage cases and feedback. >> > >> > -Anoop- >> > >> > >> > On Fri, Sep 11, 2015 at 5:35 AM, Suresh Subbiah >> > >> > wrote: >> > >> > > Hi Anoop, >> > > >> > > Thank you very much for the offer to help. >> > > >> > > I have been thinking some more about what it is that we need to do >> > and have >> > > realized that we don't need custom cell tags. >> > > We we will only be using visibility labels. This is basically for >> > testing >> > > purpose and to understand exactly how data looks. >> > > >> > > How do we see visibility labels that are applied to a particular >> > cell? For >> > > ex, if we want to know all the labels that have been applied to >> > > all cells, how do we do that? Or can that only be done by applying a >> > > predicate and then check to see if the pred passes? >> > > >> > > Is there a way to pass visibility labels to client is a test mode ? >> > > >> > > Thanks >> > > Suresh >> > > >> > > >> > > On Thu, Sep 3, 2015 at 11:07 PM, Anoop John >> > wrote: >> > > >> > > > Hi Suresh >> > > > You wan to use ur own custom tags with cells? The >> > > features >> > > > like cell level vis labels etc are also implemented by storing them >> > as >> > > cell >> > > > tags. Yes as others said, the tags is by default a server only >> > thing. >> > > > Means you can not pass tags from/to client along with cells. There >> > is >> > > some >> > > > security reasons why we had opted this path. And there were no >> > custom >> > > tag >> > > > needs by then. Pls let us know what you want to achieve. There is >> > ways >> > > to >> > > > pass tags to/from client. I can help you. >> > > > >> > > > -Anoop- >> > > > >> > > > >> > > > On Tue, Sep 1, 2015 at 4:29 AM, Jerry He >> > wrote: >> > > > >> > > > > Hi, Suresh >> > > > > >> > > > > In you Java client program, you can 'label' the cells in your >> > PUT. You >> > > > can >> > > > > ask which labeled cells to be returned in your Get and Scan, but >> > the >> > > > labels >> > > > > are not returned with the cells. >> > > > > Yes, "labels on cells are only interpreted server side" >> > > > > >> > > > > >> > > > > Jerry >> > > > > >> > > > > On Mon, Aug 31, 2015 at 1:27 PM, Suresh Subbiah < >> > > > > suresh.subbiah60@gmail.com> >> > > > > wrote: >> > > > > >> > > > > > Thank you very much Ted, Jean-Marc. >> > > > > > >> > > > > > I see that slide 4 in >> > > > > > https://urldefense.proofpoint.com/v2/url?u=http- >> > 3A__www.slideshare.net_HBaseCon_features-2Dsession- >> > 2D2&d=CwIBaQ&c=4ZIZThykDLcoWk- >> > GVjSLm9hvvvzvGv0FLoWSRuCSs5Q&r=GQ6xvz2BG1vCgiGGeLHdL1qJLbLUqYG6W19eFBlz >> > nzDGH3wjzyriGVJemENTKsgx&m=sLIg484DFLi0oSu5ylkGuIuB- >> > re6sXaYY0fb9BreY2o&s=BhpulFRnZ_JNgAOPjb_MFtv0rnH9yaNXtQZE_g7y-28&e= >> > states >> > > > > > that "cells are only interpreted server side" >> > > > > > However https://urldefense.proofpoint.com/v2/url?u=https- >> > 3A__issues.apache.org_jira_browse_HBASE- >> > 2D9056&d=CwIBaQ&c=4ZIZThykDLcoWk- >> > GVjSLm9hvvvzvGv0FLoWSRuCSs5Q&r=GQ6xvz2BG1vCgiGGeLHdL1qJLbLUqYG6W19eFBlz >> > nzDGH3wjzyriGVJemENTKsgx&m=sLIg484DFLi0oSu5ylkGuIuB- >> > re6sXaYY0fb9BreY2o&s=u_ISxz2OpkFA6Y5cYXGcQqpG24S54zDi1WhuHfbq18A&e= & >> > > > > > https://urldefense.proofpoint.com/v2/url?u=https- >> > 3A__issues.apache.org_jira_browse_HBASE- >> > 2D9884&d=CwIBaQ&c=4ZIZThykDLcoWk- >> > GVjSLm9hvvvzvGv0FLoWSRuCSs5Q&r=GQ6xvz2BG1vCgiGGeLHdL1qJLbLUqYG6W19eFBlz >> > nzDGH3wjzyriGVJemENTKsgx&m=sLIg484DFLi0oSu5ylkGuIuB- >> > re6sXaYY0fb9BreY2o&s=eiGA0TFAu3Or3cbLjX0wQJjwUGxldTOwU00qfZOgO8s&e= >> > (likely others) >> > > seem >> > > > to >> > > > > > indicate that tag values can be accessed/mutated from HBase >> > client >> > > > > > programs. >> > > > > > I assumed that this mean that code has evolved since the slides >> > were >> > > > > > created. Or I could just be misunderstanding what the slide >> > meant. >> > > > > > >> > > > > > I am hoping to write some kind of small java program to do this >> > now >> > > > > (since >> > > > > > I am not familiar with REST or Thrift). Do you think that is a >> > > > reasonable >> > > > > > approach? >> > > > > > >> > > > > > Thanks >> > > > > > Suresh >> > > > > > >> > > > > > >> > > > > > On Mon, Aug 31, 2015 at 2:59 PM, Ted Yu >> > wrote: >> > > > > > >> > > > > > > bq. retrieve the list of labels for a given cell >> > > > > > > >> > > > > > > You're right, J-M. >> > > > > > > There is no facility for the above in hbase shell. >> > > > > > > >> > > > > > > On Mon, Aug 31, 2015 at 12:55 PM, Jean-Marc Spaggiari < >> > > > > > > jean-marc@spaggiari.org> wrote: >> > > > > > > >> > > > > > > > But I don't think you can retrieve the list of labels for a >> > given >> > > > > cell, >> > > > > > > > right? Cells are only interpreted server side and are not >> > > returned >> > > > on >> > > > > > the >> > > > > > > > client side... >> > > > > > > > >> > > > > > > > 2015-08-31 15:52 GMT-04:00 Ted Yu : >> > > > > > > > >> > > > > > > > > From the help message of put command, you can see the >> > > following: >> > > > > > > > > >> > > > > > > > > hbase> put 't1', 'r1', 'c1', 'value', ts1, >> > > > > > > > {VISIBILITY=>'PRIVATE|SECRET'} >> > > > > > > > > >> > > > > > > > > Here is the group of related commands: >> > > > > > > > > >> > > > > > > > > 'visibility labels', >> > > > > > > > > :full_name => 'VISIBILITY LABEL TOOLS', >> > > > > > > > > :comment => "NOTE: Above commands are only applicable >> > if >> > > > running >> > > > > > with >> > > > > > > > the >> > > > > > > > > VisibilityController coprocessor", >> > > > > > > > > :commands => %w[ >> > > > > > > > > add_labels >> > > > > > > > > list_labels >> > > > > > > > > set_auths >> > > > > > > > > get_auths >> > > > > > > > > clear_auths >> > > > > > > > > set_visibility >> > > > > > > > > >> > > > > > > > > FYI >> > > > > > > > > >> > > > > > > > > On Mon, Aug 31, 2015 at 12:25 PM, Suresh Subbiah < >> > > > > > > > > suresh.subbiah60@gmail.com >> > > > > > > > > > wrote: >> > > > > > > > > >> > > > > > > > > > Hi, >> > > > > > > > > > >> > > > > > > > > > I am using HBase 0.98 with HFiles of majorVersion 3. >> > > > > > > > > > Is it possible to get and set cell tags from the HBase >> > shell >> > > > > > utility? >> > > > > > > > > > I have been looking at various JIRAs and see some >> > example >> > > > client >> > > > > > > > testing >> > > > > > > > > > programs that seem to do this. However it will be >> > simpler if >> > > I >> > > > > > could >> > > > > > > > > > get/set cell tags from HBase shell. >> > > > > > > > > > >> > > > > > > > > > Thank you for your help. >> > > > > > > > > > >> > > > > > > > > > Best regards, >> > > > > > > > > > Suresh >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >>