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Cc: "user@hbase.apache.org" <user@hbase.apache.org>
From: Ted Yu <yuzhihong@gmail.com>
Subject: Re: Delete rowKey in hexadecimal array bytes.
Date: Tue, 10 Jun 2014 05:35:15 -0700
To: "user@hbase.apache.org" <user@hbase.apache.org>

Can you pastebin your junit test ?

Thanks

On Jun 10, 2014, at 3:07 AM, gortiz <gortiz@pragsis.com> wrote:

> I think we are in different points :).
>=20
> The problem is when the comparation of the keys when I use Hex.decode
>=20
> I emit keyValues on this way and works, but it spends double of memory to s=
tore keys.
>=20
> rowKey =3D Bytes.toBytes(DigestUtils.*shaHex*(pOutput.getRow()));
> KeyValue kv =3D
>                    new KeyValue(Bytes.toBytes(pOutput.getRow()), family, n=
ull, ts, type, null);
>=20
> If I use for rowKey:
>    rowKey =3D DigestUtils.*sha*(pOutput.getRow());
> it doesn't work, I don't know why, since it's an byte array. But, I coded s=
ome Junit test and it never deletes the keys.
>=20
>=20
>=20
>=20
> On 09/06/14 13:43, Ted Yu wrote:
>> Decode rowkey has timestamp.
>> KeyValue has timestamp field.
>>=20
>> Do these two timestamps carry the same value ?
>>=20
>> Cheers
>>=20
>> On Jun 9, 2014, at 2:02 AM, Guillermo Ortiz <konstt2000@gmail.com> wrote:=

>>=20
>>> Hi,
>>>=20
>>> I'm generating key with SHA1, as it's a hex representation after generat=
ing
>>> the keys, I use Hex.decode to save memory since I could store them in ha=
lf
>>> space.
>>>=20
>>> I have a MapReduce process which deletes some of these keys, the problem=

>>> it's that it's that when I try to delete them, but I don't get it. If I
>>> don't do the parse to Hex, it works.
>>>=20
>>> So, For example, I put the keys in SHA like
>>> b343664e210e7a7abff3625a005e65e2b0d4616 works, but if I parse this key w=
ith
>>> Hex.decode to *\xB3CfN!\x0Ezz\xBF\xF3bZ\x00^e\xE2\xB0\ *column=3Dl:dd,
>>> timestamp=3D1384317115000 .... it doesn't.
>>>=20
>>> I have been checked the code a lot but I think it's right, plus, if I
>>> comments the decode to Hex it works.
>>>=20
>>> Any clue about it? is there any problem with I am trying to??
>=20
>=20
> --=20
> *Guillermo Ortiz*
> /Big Data Developer/
>=20
> Telf.: +34 917 680 490
> Fax: +34 913 833 301
> C/ Manuel Tovar, 49-53 - 28034 Madrid - Spain
>=20
> _http://www.bidoop.es_
>=20