Niels Ott wrote:
Hi Mark,
markharw00d schrieb:
Hi Niels,
See the javadocs for IndexWriter.setRAMBufferSizeMB()
I tried different settings. Apart from the fact that my memory issue
seems to by my own fault, I'm wondering what Lucene does in the
background. Apparently it does flush(), but not commit()?
At least my index remains empty when I'm querying. If I call
commit() every now and then (like every 500 documents), there are
data I can query.
That's right.
When RAM is full, IW flushes the pending changes to disk, but does not
commit them, meaning external (newly opened or reopened) readers will
not see the changes.
You must commit() or close() (which just calls commit() before
closing) for external readers to see the changes.
Mike
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