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Thread: Backup Index Storage

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Permlink Replies: 15 - Pages: 2 [ 1 2 | Next ] - Last Post: Nov 28, 2011 3:05 AM Last Post By: lorna lee
kuppa

Posts: 4
Registered: 5/17/09
Backup Index Storage
Posted: May 17, 2009 3:05 PM
 
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I have used Lucene for couple projects and I am recently adopting to use compass for easy of usage, multi thread and distributed transaction management.

I would like to find out is there any out-of box configuration to support backup regularly or when document is added or deleted from the index space.

Thanks,
-Kuppa
pangea

Posts: 368
Registered: 9/25/07
Re: Backup Index Storage
Posted: May 17, 2009 11:42 PM   in response to: kuppa in response to: kuppa
 
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i do not think this feature is provided by compass...however u compass allows u to store the index in DB so it is just a matter of taking backup of the DB
kuppa

Posts: 4
Registered: 5/17/09
Re: Backup Index Storage
Posted: May 18, 2009 7:04 PM   in response to: pangea in response to: pangea
 
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Thanks for the reply.

For best performance, we store our index into file system. Do we have any performance comparison between files ystem store versus the db store?

Thanks in Adv,
-Kuppa
pangea

Posts: 368
Registered: 9/25/07
Re: Backup Index Storage
Posted: May 19, 2009 8:33 AM   in response to: kuppa in response to: kuppa
 
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I am storing the index in DB so that I have the cluster support...from what I heard the index on file system is much faster than in the DB. However the diff might be less if the num if docs u store is less...so its all relative
Shay Banon

Posts: 4,028
Registered: 9/6/05
Re: Backup Index Storage
Posted: May 19, 2009 9:41 AM   in response to: kuppa in response to: kuppa
 
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Backing up the index should be simply copying the index files of Compass. Is that what you are after?
kuppa

Posts: 4
Registered: 5/17/09
Re: Backup Index Storage
Posted: May 25, 2009 9:03 PM   in response to: Shay Banon in response to: Shay Banon
 
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I agree, backing up is same as copying the index folder but it is not doable while compass in process (indexing). The backup process may copy partial file if it run as different process than compass. It will be nice to have built-in backup support from compass so that we don't need to compromise the performance by going through the db route just for backup.

I am comparing the performance between filesystem vs db and it looks like db is very slow. I will post my results once I am done with that.

-Kuppa
Shay Banon

Posts: 4,028
Registered: 9/6/05
Re: Backup Index Storage
Posted: May 26, 2009 12:09 PM   in response to: kuppa in response to: kuppa
 
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You can simply copy the directories content, Lucene makes sure that things will work fine. You can also run rsync on against it.

Regarding the db performance, it will be worse, but you can make it better by using local cache.
asd

Posts: 70
Registered: 10/12/11
Re: Backup Index Storage
Posted: Oct 12, 2011 10:34 PM   in response to: kuppa in response to: kuppa
 
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helen

Posts: 25
Registered: 10/25/11
Re: Backup Index Storage
Posted: Oct 25, 2011 10:46 PM   in response to: kuppa in response to: kuppa
 
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azsxa

Posts: 158
Registered: 9/27/11
Re: Backup Index Storage
Posted: Nov 2, 2011 2:19 AM   in response to: kuppa in response to: kuppa
 
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Posts: 158
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Re: Backup Index Storage
Posted: Nov 2, 2011 2:23 AM   in response to: kuppa in response to: kuppa
 
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Re: Backup Index Storage
Posted: Nov 7, 2011 9:35 PM   in response to: kuppa in response to: kuppa
 
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