Re-creating ES Index


(karthik426) #1

Hi,

I have a few questions with respect to the situation of needing to
re-create an index.

  1. Is there is any process to re-create an index apart from deleting the
    current one and creating it again with the documents ?
  2. During the situations of re-create, can we use the data already stored
    in the ES cluster ?
  3. Are there any easy ways of the doing the same without have any down-time
    to the running ES cluster ?

Appreciate any response on the same.

Thanks,
Karthik

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(David Pilato) #2

Use aliases.

So you have an alias which goes to oldindex.
Reindex in newindex.
When done, switch the alias.

You can read old index using scan and scroll feature and reindex in the new index as soon as you kept the _source field.

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David :wink:
Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs

Le 9 juin 2014 à 06:34, karthik jayanthi karthikjayanthi.iitm@gmail.com a écrit :

Hi,

I have a few questions with respect to the situation of needing to re-create an index.

  1. Is there is any process to re-create an index apart from deleting the current one and creating it again with the documents ?
  2. During the situations of re-create, can we use the data already stored in the ES cluster ?
  3. Are there any easy ways of the doing the same without have any down-time to the running ES cluster ?

Appreciate any response on the same.

Thanks,
Karthik

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(karthik426) #3

Awesome. Thanks for the prompt reply.

Thanks,
Karthik

On Mon, Jun 9, 2014 at 1:25 PM, David Pilato david@pilato.fr wrote:

Use aliases.

So you have an alias which goes to oldindex.
Reindex in newindex.
When done, switch the alias.

You can read old index using scan and scroll feature and reindex in the
new index as soon as you kept the _source field.

--
David :wink:
Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs

Le 9 juin 2014 à 06:34, karthik jayanthi karthikjayanthi.iitm@gmail.com
a écrit :

Hi,

I have a few questions with respect to the situation of needing to
re-create an index.

  1. Is there is any process to re-create an index apart from deleting the
    current one and creating it again with the documents ?
  2. During the situations of re-create, can we use the data already stored
    in the ES cluster ?
  3. Are there any easy ways of the doing the same without have any
    down-time to the running ES cluster ?

Appreciate any response on the same.

Thanks,
Karthik

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Karthik Jayanthi

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(system) #4