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Subject: Re: Bulk indexing and delete old index files
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Date: Wed, 6 Mar 2013 09:22:53 +0900
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thanks! it's very helpful advice for me

=B3=AA=C0=C7 iPhone=BF=A1=BC=AD =BA=B8=B3=BF

2013. 3. 5. =BF=C0=C8=C4 10:14 Erick Erickson <erickerickson@gmail.com> =C0=DB=
=BC=BA:

> If you kept an "indexed_time" field, you could always just index
> to the same instance and then do a delete by query, something like
> <delete><query>timestamp:[* TO NOW/DAY]</query></delete>,
> commit and go. That would delete everything indexed before midnight.
> last night (NOW/DAY rounds down).
>=20
> Note, most of this would be already replaced if your new documents
> had the same <uniqueKey> value as the old ones, then the old ones
> would be automatically replaced.
>=20
> Best
> Erick
>=20
>=20
> On Tue, Mar 5, 2013 at 12:10 AM, =C0=E5=BF=EB=BC=AE <need4spd@gmail.com> w=
rote:
>=20
>> Hi.
>>=20
>> I want indexing all documents once a day and after indexing delete old
>> index files that indexed before a day.
>>=20
>> I think to do this, indexing all documents in new directory and replace
>> IndexSearcher and IndexWriter with olds, and delete old index directory.
>>=20
>> Is there more good indexing strategy?
>>=20
>> Thanks.!
>>=20
>> --
>> DEV=BF=EB=BD=C4
>> http://devyongsik.tistory.com
>>=20

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