RE: When does IndexReader pick up changes?
IndexReader will pick the changes as it is opened. If new documents are added to the index you need to open a new IndexReader in order for it to pick up the changes Aviran -Original Message- From: Stephane James Vaucher [mailto:[EMAIL PROTECTED] Sent: Thursday, July 29, 2004 0:00 AM To: Lucene Users List Subject: Re: When does IndexReader pick up changes? IIRC, if you use a searcher, changes are picked up right away. With a reader, I would expect it should react the same way. disclaimerI'm not a lucene guru, I might be wrong/disclaimer Where I'm less sure is with a FSDirectory, as it uses an internal RAMDirectory. If two separate processes (within the same classloader, FS with same paths are reused) use different FSDirectories, you might notice a flushing behaviour. sv On 28 Jul 2004 [EMAIL PROTECTED] wrote: Hi, Does anyone know if the IndexWriter has to be closed for an IndexReader to pick up the changes? Thanks. --- Lucene Users List [EMAIL PROTECTED] wrote: Hi, If I do this: - open index writer - add document - open reader - search with reader - close reader - close writer Will the reader pick up the document that was added to the index since it was opened after the document was added? Or will it only pick up changes that occur after the index writer is closed? Thanks for the help! - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: When does IndexReader pick up changes?
AFAIK you don't have to close the writer -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Thursday, July 29, 2004 11:17 AM To: [EMAIL PROTECTED] Subject: RE: When does IndexReader pick up changes? Yes, I understand that the IndexReader only picks up changes once it is opened. I'm just trying to determine whether the IndexWriter first needs to be closed or if that is not necessary. --- Lucene Users List [EMAIL PROTECTED] wrote: IndexReader will pick the changes as it is opened. If new documents are added to the index you need to open a new IndexReader in order for it to pick up the changes Aviran -Original Message- From: Stephane James Vaucher [mailto:[EMAIL PROTECTED] Sent: Thursday, July 29, 2004 0:00 AM To: Lucene Users List Subject: Re: When does IndexReader pick up changes? IIRC, if you use a searcher, changes are picked up right away. With a reader, I would expect it should react the same way. disclaimerI'm not a lucene guru, I might be wrong/disclaimer Where I'm less sure is with a FSDirectory, as it uses an internal RAMDirectory. If two separate processes (within the same classloader, FS with same paths are reused) use different FSDirectories, you might notice a flushing behaviour. sv On 28 Jul 2004 [EMAIL PROTECTED] wrote: Hi, Does anyone know if the IndexWriter has to be closed for an IndexReader to pick up the changes? Thanks. --- Lucene Users List [EMAIL PROTECTED] wrote: Hi, If I do this: - open index writer - add document - open reader - search with reader - close reader - close writer Will the reader pick up the document that was added to the index since it was opened after the document was added? Or will it only pick up changes that occur after the index writer is closed? Thanks for the help! - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: When does IndexReader pick up changes?
Thanks for the info! --- Lucene Users List [EMAIL PROTECTED] wrote: AFAIK you don't have to close the writer -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Thursday, July 29, 2004 11:17 AM To: [EMAIL PROTECTED] Subject: RE: When does IndexReader pick up changes? Yes, I understand that the IndexReader only picks up changes once it is opened. I'm just trying to determine whether the IndexWriter first needs to be closed or if that is not necessary. --- Lucene Users List [EMAIL PROTECTED] wrote: IndexReader will pick the changes as it is opened. If new documents are added to the index you need to open a new IndexReader in order for it to pick up the changes Aviran -Original Message- From: Stephane James Vaucher [mailto:[EMAIL PROTECTED] Sent: Thursday, July 29, 2004 0:00 AM To: Lucene Users List Subject: Re: When does IndexReader pick up changes? IIRC, if you use a searcher, changes are picked up right away. With a reader, I would expect it should react the same way. disclaimerI'm not a lucene guru, I might be wrong/disclaimer Where I'm less sure is with a FSDirectory, as it uses an internal RAMDirectory. If two separate processes (within the same classloader, FS with same paths are reused) use different FSDirectories, you might notice a flushing behaviour. sv On 28 Jul 2004 [EMAIL PROTECTED] wrote: Hi, Does anyone know if the IndexWriter has to be closed for an IndexReader to pick up the changes? Thanks. --- Lucene Users List [EMAIL PROTECTED] wrote: Hi, If I do this: - open index writer - add document - open reader - search with reader - close reader - close writer Will the reader pick up the document that was added to the index since it was opened after the document was added? Or will it only pick up changes that occur after the index writer is closed? Thanks for the help! - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: When does IndexReader pick up changes?
Hi, Does anyone know if the IndexWriter has to be closed for an IndexReader to pick up the changes? Thanks. --- Lucene Users List [EMAIL PROTECTED] wrote: Hi, If I do this: - open index writer - add document - open reader - search with reader - close reader - close writer Will the reader pick up the document that was added to the index since it was opened after the document was added? Or will it only pick up changes that occur after the index writer is closed? Thanks for the help! - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: When does IndexReader pick up changes?
IIRC, if you use a searcher, changes are picked up right away. With a reader, I would expect it should react the same way. disclaimerI'm not a lucene guru, I might be wrong/disclaimer Where I'm less sure is with a FSDirectory, as it uses an internal RAMDirectory. If two separate processes (within the same classloader, FS with same paths are reused) use different FSDirectories, you might notice a flushing behaviour. sv On 28 Jul 2004 [EMAIL PROTECTED] wrote: Hi, Does anyone know if the IndexWriter has to be closed for an IndexReader to pick up the changes? Thanks. --- Lucene Users List [EMAIL PROTECTED] wrote: Hi, If I do this: - open index writer - add document - open reader - search with reader - close reader - close writer Will the reader pick up the document that was added to the index since it was opened after the document was added? Or will it only pick up changes that occur after the index writer is closed? Thanks for the help! - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
