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From: Scott Carey <scott@richrelevance.com>
To: "user@avro.apache.org" <user@avro.apache.org>
Date: Mon, 9 Aug 2010 14:10:57 -0700
Subject: Re: How to clear data from GenericRecord
Thread-Topic: How to clear data from GenericRecord
Thread-Index: Acs4B0fXM2IZmWJ4QyyxqOhfJ4Wbtg==
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Generally they can be re-used without clearing -- the re-use overwrites the=
 fields.=20

On Aug 9, 2010, at 1:57 PM, David Rosenstrauch wrote:

> I suppose that would work.  (I'll try it.)
>=20
> But I was thinking more along the lines of "rec.clear()".
>=20
> DR
>=20
> On 08/09/2010 04:54 PM, Yang wrote:
>> like this??
>>=20
>> foreach fieldKey
>>    rec.set(fieldKey, null);
>>=20
>> On Mon, Aug 9, 2010 at 1:07 PM, David Rosenstrauch<darose@darose.net>  w=
rote:
>>> There doesn't seem to be any method call available in the API for
>>> GenericRecord to completely erase all of its data so that it can be reu=
sed.
>>>=20
>>> I'm planning to use an Avro GenericRecord (GenericData.Record) inside a
>>> Hadoop Reducer, and it would be much better from a memory usage perspec=
tive
>>> if I could just clear the record's contents at the beginning of every
>>> reduce() call, rather than having to instantiate a new one for each cal=
l.
>>>=20
>>> Any way to make this happen?  (And if no, anyone think this is somethin=
g
>>> important enough that I should file a bug report on this?)
>>>=20
>>> Thanks,
>>>=20
>>> DR