[Building Sakai] Question pool slowness
Karen Tsao
ktsao at stanford.edu
Fri Sep 11 09:40:59 PDT 2009
Hi George,
Yes. These two tables are involved when QuestionPoolBean.getQpools() is
called.
Thanks,
Karen
On Wed, Sep 9, 2009 at 2:16 PM, George Pipkin <gpp8p at virginia.edu> wrote:
> Hello again Karen and Will:
>
>
> I'm puzzled. The slowness I am seeing is in the display of the questions
> contained in a question
> pool. Poking around in the code with my trusty Eclipse debugger, I notice
> that the loading of
> the pools happens when QuestionPoolBean.getQpools() is called. I did some
> additional
> poking around, and I looked at QuestionPoolData.hbm. Are
> SAM_QUESTIONPOOL_T
> and SAM_QUESTIONPOOLITEM_T involved when QuestionPoolBean.getQpools()
> builds
> the list of pools ?
>
> - George
>
>
> Karen Tsao wrote:
>
>> Hi George,
>>
>> If you are using MySql, you don't need to add the four indexes in
>> sakai_samigo_post_schema_update.sql. They are duplicate indexes.
>>
>> By the way, the index VT_SAM_ITEMGRADING_AG_PUBITEM is not related to
>> editing Question Pool. As Will mentioned, they use this to improve delivery
>> and grading flow. You can gather your recent statistics and see if you need
>> to add this index.
>>
>> Thanks,
>> Karen
>>
>> On Wed, Sep 9, 2009 at 9:32 AM, George Pipkin <gpp8p at virginia.edu<mailto:
>> gpp8p at virginia.edu>> wrote:
>>
>> Hi -
>>
>> Thanks Karen and Will for your responses. I took a look at
>> our tables current setup, and it looks like we not only got the
>> hibernate-created indexes, but the ones mentioned in
>> the sakai_samigo_post_schema_update.sql script. Could this be
>> causing us difficulties ?
>>
>> - George
>>
>> mysql> show create table SAM_PUBLISHEDITEMTEXT_T;
>> | SAM_PUBLISHEDITEMTEXT_T | CREATE TABLE `SAM_PUBLISHEDITEMTEXT_T` (
>> `ITEMTEXTID` bigint(20) NOT NULL auto_increment,
>> `ITEMID` bigint(20) NOT NULL,
>> `SEQUENCE` int(11) NOT NULL,
>> `TEXT` varchar(4000) default NULL,
>> PRIMARY KEY (`ITEMTEXTID`),
>> KEY `FK9C790A638152036E` (`ITEMID`),
>> KEY `SAM_PUBITEMTEXT_ITEM_I` (`ITEMID`),
>> KEY `FK9C790A6331446627` (`ITEMID`),
>> CONSTRAINT `FK9C790A6331446627` FOREIGN KEY (`ITEMID`) REFERENCES
>> `SAM_PUBLISHEDITEM_T` (`ITEMID`)
>> ) ENGINE=InnoDB DEFAULT CHARSET=utf8 |
>>
>> mysql> show create table SAM_PUBLISHEDANSWER_T;
>> | SAM_PUBLISHEDANSWER_T | CREATE TABLE `SAM_PUBLISHEDANSWER_T` (
>> `ANSWERID` bigint(20) NOT NULL auto_increment,
>> `ITEMTEXTID` bigint(20) NOT NULL,
>> `itemId` bigint(20) NOT NULL,
>> `TEXT` varchar(4000) default NULL,
>> `SEQUENCE` int(11) NOT NULL,
>> `LABEL` varchar(20) default NULL,
>> `ISCORRECT` varchar(1) default NULL,
>> `GRADE` varchar(80) default NULL,
>> `SCORE` float default NULL,
>> PRIMARY KEY (`ANSWERID`),
>> KEY `FKB41EA361B9BF0B8E` (`itemId`),
>> KEY `FKB41EA361CBA347DB` (`ITEMTEXTID`),
>> KEY `SAM_PUBANSWER_ITEMTEXT_I` (`ITEMTEXTID`),
>> KEY `SAM_PUBANSWER_ITEM_I` (`itemId`),
>> KEY `FKB41EA3618152036E` (`itemId`),
>> KEY `FKB41EA36131446627` (`itemId`),
>> KEY `FKB41EA36126460817` (`ITEMTEXTID`),
>> CONSTRAINT `FKB41EA36126460817` FOREIGN KEY (`ITEMTEXTID`)
>> REFERENCES `SAM_PUBLISHEDITEMTEXT_T` (`ITEMTEXTID`),
>> CONSTRAINT `FKB41EA36131446627` FOREIGN KEY (`itemId`) REFERENCES
>> `SAM_PUBLISHEDITEM_T` (`ITEMID`)
>> ) ENGINE=InnoDB DEFAULT CHARSET=utf8 |
>>
>> mysql> show create table SAM_ITEMGRADING_T;
>> | SAM_ITEMGRADING_T | CREATE TABLE `SAM_ITEMGRADING_T` (
>> `ITEMGRADINGID` bigint(20) NOT NULL auto_increment,
>> `ASSESSMENTGRADINGID` bigint(20) NOT NULL,
>> `PUBLISHEDITEMID` int(11) NOT NULL,
>> `PUBLISHEDITEMTEXTID` int(11) NOT NULL,
>> `AGENTID` varchar(255) NOT NULL,
>> `SUBMITTEDDATE` datetime default NULL,
>> `PUBLISHEDANSWERID` int(11) default NULL,
>> `RATIONALE` varchar(4000) default NULL,
>> `ANSWERTEXT` varchar(4000) default NULL,
>> `AUTOSCORE` float default NULL,
>> `OVERRIDESCORE` float default NULL,
>> `COMMENTS` varchar(4000) default NULL,
>> `GRADEDBY` varchar(255) default NULL,
>> `GRADEDDATE` datetime default NULL,
>> `REVIEW` int(11) default NULL,
>> `ATTEMPTSREMAINING` int(11) default NULL,
>> `LASTDURATION` varchar(36) default NULL,
>> PRIMARY KEY (`ITEMGRADINGID`),
>> KEY `FKB68E6756C42AA2BC` (`PUBLISHEDITEMID`),
>> KEY `FKB68E6756E5D3D24D` (`ASSESSMENTGRADINGID`),
>> KEY `FKB68E6756A75F9029` (`PUBLISHEDITEMTEXTID`),
>> KEY `FKB68E6756D4927` (`PUBLISHEDANSWERID`),
>> KEY `SAM_ASSESSMENTGRADING_I` (`ASSESSMENTGRADINGID`),
>> KEY `SAM_ITEMGRADING_PUBANS_I` (`PUBLISHEDANSWERID`),
>> KEY `SAM_ITEMGRADING_ITEM_I` (`PUBLISHEDITEMID`),
>> KEY `SAM_ITEMGRADING_ITEMTEXT_I` (`PUBLISHEDITEMTEXTID`),
>> KEY `FKB68E675667B430D5` (`ASSESSMENTGRADINGID`),
>> CONSTRAINT `FKB68E675667B430D5` FOREIGN KEY
>> (`ASSESSMENTGRADINGID`) REFERENCES `SAM_ASSESSMENTGRADING_T`
>> (`ASSESSMENTGRADINGID`)
>> ) ENGINE=InnoDB DEFAULT CHARSET=utf8 |
>>
>> mysql> show create table SAM_PUBLISHEDANSWERFEEDBACK_T;
>> | SAM_PUBLISHEDANSWERFEEDBACK_T | CREATE TABLE
>> `SAM_PUBLISHEDANSWERFEEDBACK_T` (
>> `ANSWERFEEDBACKID` bigint(20) NOT NULL auto_increment,
>> `ANSWERID` bigint(20) NOT NULL,
>> `TYPEID` varchar(255) default NULL,
>> `TEXT` varchar(4000) default NULL,
>> PRIMARY KEY (`ANSWERFEEDBACKID`),
>> KEY `FK6CB765A610DF4559` (`ANSWERID`),
>> KEY `SAM_PUBANSWERFB_ANSWER_I` (`ANSWERID`),
>> KEY `FK6CB765A624D77573` (`ANSWERID`),
>> CONSTRAINT `FK6CB765A624D77573` FOREIGN KEY (`ANSWERID`)
>> REFERENCES `SAM_PUBLISHEDANSWER_T` (`ANSWERID`)
>> ) ENGINE=InnoDB DEFAULT CHARSET=utf8 |
>> mysql> show create table SAM_ASSESSMENTGRADING_T;
>> | SAM_ASSESSMENTGRADING_T | CREATE TABLE `SAM_ASSESSMENTGRADING_T` (
>> `ASSESSMENTGRADINGID` bigint(20) NOT NULL auto_increment,
>> `PUBLISHEDASSESSMENTID` bigint(20) NOT NULL,
>> `AGENTID` varchar(255) NOT NULL,
>> `SUBMITTEDDATE` datetime default NULL,
>> `ISLATE` varchar(1) NOT NULL,
>> `FORGRADE` int(11) NOT NULL,
>> `TOTALAUTOSCORE` float default NULL,
>> `TOTALOVERRIDESCORE` float default NULL,
>> `FINALSCORE` float default NULL,
>> `COMMENTS` varchar(4000) default NULL,
>> `GRADEDBY` varchar(255) default NULL,
>> `GRADEDDATE` datetime default NULL,
>> `STATUS` int(11) NOT NULL,
>> `ATTEMPTDATE` datetime default NULL,
>> `TIMEELAPSED` int(11) default NULL,
>> PRIMARY KEY (`ASSESSMENTGRADINGID`),
>> KEY `FKDAED4C879E4AF02B` (`PUBLISHEDASSESSMENTID`),
>> KEY `SAM_PUBLISHEDASSESSMENT_I` (`PUBLISHEDASSESSMENTID`),
>> KEY `SAM_ASSGRAD_AID_PUBASSEID_T` (`AGENTID`,`PUBLISHEDASSESSMENTID`)
>> ) ENGINE=InnoDB DEFAULT CHARSET=utf8 |
>>
>> mysql>
>>
>>
>>
>
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