There is another way to see the labels if you are in the server and for testing only. They are in the hfiles. You can use a tool like HFile or HFilePrettyPrinter to exam them. They get printed out nicely.
Jerry On Tue, Sep 15, 2015 at 6:55 AM, Suresh Subbiah <suresh.subbia...@gmail.com> wrote: > Thank you very much Anoop. Will definitely report back on how it worked > out. > > Thanks > Suresh > > On Tue, Sep 15, 2015 at 8:28 AM, Anoop John <anoop.hb...@gmail.com> wrote: > > > 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 < > > suresh.subbia...@gmail.com> > > 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 <anoop.hb...@gmail.com> > > 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 <jerry...@gmail.com> 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.subbia...@gmail.com> > > > > > wrote: > > > > > > > > > > > Thank you very much Ted, Jean-Marc. > > > > > > > > > > > > I see that slide 4 in > > > > > > http://www.slideshare.net/HBaseCon/features-session-2 states > > > > > > that "cells are only interpreted server side" > > > > > > However https://issues.apache.org/jira/browse/HBASE-9056 & > > > > > > https://issues.apache.org/jira/browse/HBASE-9884 (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 <yuzhih...@gmail.com> > > 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-m...@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 <yuzhih...@gmail.com>: > > > > > > > > > > > > > > > > > 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.subbia...@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 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >
