Copy the table, drop original, rename copy.
> On Mar 19, 2015, at 3:46 AM, Pankaj kr <pankaj...@huawei.com> wrote:
>
> Thanks for the reply Ashish.
>
> I can set EMPTY or NONE value using alter command.
> alter 't1', {NAME => 'cf1', ENCRYPTION => ''}
> alter 't1', {NAME => 'cf1', ENCRYPTION => 'NONE'}
>
> But Exception will be thrown while opening the regions because
> DefaultCipherProvider has below implementation,
>
> @Override
> public Cipher getCipher(String name) {
> if (name.equalsIgnoreCase("AES")) {
> return new AES(this);
> }
> throw new RuntimeException("Cipher '" + name + "' is not supported by
> provider '" +
> getName() + "'");
> }
>
> Client will keep on waiting for all regions to be enabled in table t1.
>
> Yeah we can set it through JAVA APIs. But I am looking for HBase shell option.
>
>
> Regards,
> Pankaj
>
> -----Original Message-----
> From: ashish singhi
> Sent: 19 March 2015 16:33
> To: Pankaj kr
> Subject: RE: How to remove a Column Family Property
>
> I think with the current code in shell it is not possible.
> But You can try something by setting ENCRYPTION => ''
> But here it may long time to update u can enter ctrl+c (break the operation)
> and then execute describe command you will see that ENCRYPTION is set to ''.
> But you can do this from java using, HColumnDescriptor#setEncryptionType.
>
> I don't think it will be much useful for shell to support this Ideally at
> production hbase shell is hardly used they generally use hbase client via
> java.
> HBase shell is mainly for meant developers.
>
> Regards
> Ashish
>
> -----Original Message-----
> From: Pankaj kr [mailto:pankaj...@huawei.com]
> Sent: 19 March 2015 12:24
> To: HBase User
> Subject: How to remove a Column Family Property
>
> Hi,
> Suppose I have enabled encryption in a column family by setting "ENCRYPTION
> => 'AES'".
> Now I want to disable encryption for this column family. How to do this
> through HBase Shell?
> As per alter table syntax, at column family level we can add CFs, delete CFs
> or set/modify properties. How to remove a CFs property?
>
> Any help would be much appreciated.
>
> Regards,
> Pankaj
>
