no there is no index building or alter doing on.
On 6/13/08, mos <[EMAIL PROTECTED]> wrote:
>
> At 11:38 AM 6/12/2008, you wrote:
>
>> Hi Sebastian,
>>
>> I tried to order the column as close as possible to the table structure
>> and
>> removed all the formatn command and if conditions, but still it take 3 min
>>
>
> Are you sure when you are running the fulltext search, the table isn't
> locked because you are building the index or altering the table?
>
> Mike
>
>
>
> select
>>
>>
>> ITEM_ID,ITEM_TITL,AUCT_START_DATE,AUCT_END_DATE,AUCT_DURTN_DAYS,AUCT_TYPE_CODE,LEAF_CATEG_ID,SLR_ID,START_PRICE_USD,RSRV_PRICE_USD,CURNT_PRICE_USD,BIN_PRICE_USD,GMS_USD,QTY_SOLD,QTY_AVAIL,
>>
>> BIDCOUNT,BIN_SOLD_FLAG,SUCCESS_YN,BOLD_FEE_FLAG,FEATURED_FEE_FLAG,GIFT_FEE_FLAG,
>> GALLERY_FEE_FLAG,GALLERY_FEATURED_FEE_FLAG, HIGHLIGHT_FEE_FLAG,RSRV_FLAG
>> from ebay_Research where match(ITEM_TITL) AGAINST('BABY SUIT') and
>> CURNT_PRICE_USD between 0 and 999999999999 limit 1000
>>
>>
>>
>> On 6/12/08, Ananda Kumar <[EMAIL PROTECTED]> wrote:
>> >
>> >
>> >
>> > On 6/12/08, Ananda Kumar <[EMAIL PROTECTED]> wrote:
>> >>
>> >>
>> >>
>> >> On 6/12/08, Sebastian Mendel <[EMAIL PROTECTED]> wrote:
>> >>>
>> >>> Ananda Kumar schrieb:
>> >>>
>> >>>> Hi All,
>> >>>> We have table with 99 Million records, with fulltext index.
>> >>>> But when there is not load the sql's performance in just 6 sec, but
>> when
>> >>>> anyother jobs like Index creation or data load is happening its take
>> >>>> close
>> >>>> to 3 min for the same query to execute, any ways to improve the
>> >>>> performance
>> >>>> of this query.
>> >>>>
>> >>>> I have set innodb_buffer=11GB, key_buffer=3GB, 8 CPU, total 16 GB RAM
>> >>>>
>> >>>> mysql> explain select
>> >>>> ->
>> >>>> ->
>> >>>>
>> >>>>
>> ITEM_ID,LEAF_CATEG_ID,SLR_ID,ITEM_TITL,CURNT_PRICE_USD,START_PRICE_USD,RSRV_PRICE_USD,BIN_PRICE_USD,QTY_AVAIL,QTY_SOLD,
>> >>>> ->
>> >>>>
>> >>>>
>> BIDCOUNT,AUCT_DURTN_DAYS,AUCT_TYPE_CODE,SUCCESS_YN,BIN_SOLD_FLAG,BOLD_FEE_FLAG,HIGHLIGHT_FEE_FLAG,GALLERY_FEE_FLAG,
>> >>>> ->
>> >>>> GALLERY_FEATURED_FEE_FLAG,FEATURED_FEE_FLAG,GIFT_FEE_FLAG,
>> >>>>
>> >>>
>> >>> are this fields in same order as in table?
>> >>
>> >>
>> >> no not in the same order ----will this have any performance impact.
>> >>
>> >> DATE_FORMAT(AUCT_START_DATE,'%Y-%m-%d
>> >>>> '> %H:%i:%s'),DATE_FORMAT(AUCT_END_DATE,'%Y-%m-%d
>> >>>>
>> >>>
>> >>> AUCT_START_DATE, AUCT_END_DATE
>> >>>
>> >>> why DATE_FORMAT? doesn't MySQL return datetime fields already as Y-m-d
>> >>> H:i:s ?
>> >>
>> >>
>> >> Good catch, mysql gives in the y-m-d H:i:s format
>> >>
>> >>
>> >> %H:%i:%s'),GMS_USD,RSRV_FLAG from amc_rch where match(ITEM_TITL)
>> >>>> -> AGAINST('BOOKS') > 0 and
>> >>>>
>> >>>
>> >>> why "> 0" ?
>> >>
>> >>
>> >> I need to check with developer
>> >>
>> >> CURNT_PRICE_USD between ifnull(null,0) and
>> >>>> ifnull(null,999999999999) limit 1000;
>> >>>>
>> >>>
>> >>> CURNT_PRICE_USD between 0 and 999999999999
>> >>
>> >>
>> >>
>> >> Also need to check with developer, Just guessing, they want for prince
>> >> between 0 and 99999999999
>> >>
>> >> why ifnull(null, ...) ?
>> >>>
>> >>>
>> >>>>
>> +----+-------------+---------------+----------+--------------------------+--------------------------+---------+------+------+-------------+
>> >>>> | id | select_type | table | type | possible_keys
>> >>>> |
>> >>>> key | key_len | ref | rows | Extra |
>> >>>>
>> >>>>
>> +----+-------------+---------------+----------+--------------------------+--------------------------+---------+------+------+-------------+
>> >>>> | 1 | SIMPLE | amc_rch | fulltext | ER_IT_CTX_IDX_0805201045 |
>> >>>> ER_IT_CTX_IDX_0805201045 | 0 | | 1 | Using where |
>> >>>>
>> >>>>
>> +----+-------------+---------------+----------+--------------------------+--------------------------+---------+------+------+-------------+
>> >>>> 1 row in set (0.05 sec)
>> >>>>
>> >>>>
>> >>> --
>> >>> Sebastian Mendel
>> >>>
>> >>
>> >>
>> >
>>
>
>
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