Thanks Mikhail.
On 2/13/20 5:05 AM, Mikhail Khludnev wrote:
Hello,
I picked two first questions for reply.
does this class offer any Shingling capability embedded to it?
No, it doesn't allow to expand wildcard phrase with shingles.
I could not find any api within this class ComplexPhraseQueryParser for
that purpose.
There are no one.
Best regards
On 2/4/20 11:14 AM, baris.ka...@oracle.com wrote:
Thanks but i thought this class would have a mechanism to fix this issue.
Thanks
On Feb 4, 2020, at 4:14 AM, Mikhail Khludnev <m...@apache.org> wrote:
It's slow per se, since it loads terms positions. Usual advices are
shingling or edge ngrams. Note, if this is not a text but a string or
enum,
it probably let to apply another tricks. Another idea is perhaps
IntervalQueries can be smarter and faster in certain cases, although
they
are backed on the same slow positions.
On Tue, Feb 4, 2020 at 7:25 AM <baris.ka...@oracle.com> wrote:
How can this slowdown be resolved?
is this another limitation of this class?
Thanks
On Feb 3, 2020, at 4:14 PM, baris.ka...@oracle.com wrote:
Please ignore the first comparison there. i was comparing there
{term1
with 2 chars} vs {term1 with >= 5 chars + term2 with 1 char}
The slowdown is
The query "term1 term2*" slows down 400 times (~1500 millisecs)
compared
to "term1*" when term1 has >5 chars and term2 is still 1 char.
Best regards
On 2/3/20 4:13 PM, baris.ka...@oracle.com wrote:
Hi,-
i hope everyone is doing great.
I saw this issue with this class such that if you search for "term1*"
it is good, (i.e., 4 millisecs when it has >= 5 chars and it is ~250
millisecs when it is 2 chars)
but when you search for "term1 term2*" where when term2 is a single
char, the performance degrades too much.
The query "term1 term2*" slows down 50 times (~200 millisecs)
compared
to "term1*" case when term 1 has >5 chars and term2 is still 1 char.
The query "term1 term2*" slows down 400 times (~1500 millisecs)
compared to "term1*" when term1 has >5 chars and term2 is still 1 char.
Is there any suggestion to speed it up?
Best regards
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Sincerely yours
Mikhail Khludnev
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