Liferay性能问题

Question

从6.1迁移后，我们正面临着liferay 6.2的性能问题。

我们的自定义以及liferay的插件portlet几乎都在响应very slow for non admin users。

我们观察到权限检查似乎需要花费大量时间。以下查询被点击了很多次......

 (
    SELECT DISTINCT Group_.groupId AS groupId
    ,REPLACE(Group_.NAME, ' LFR_ORGANIZATION', '') AS groupName
    ,Group_.type_ AS groupType
    ,Group_.friendlyURL AS groupFriendlyURL
    FROM Group_
    INNER JOIN Users_Groups ON (Users_Groups.groupId = Group_.groupId)
    WHERE (Group_.liveGroupId = 0)
    AND (Group_.active_ = 1)
    AND (Group_.liveGroupId = 0)
    AND (Users_Groups.userId = 3391488)
    AND (Group_.companyId = 10132)
    AND (
    Group_.classNameId = 10012
    OR Group_.classNameId = 10024
    )
    AND (Group_.parentGroupId != - 1)
    AND (Group_.liveGroupId = 0)
    AND (Group_.NAME != 'Control Panel')
    AND (
    Group_.NAME LIKE NULL
    OR NULL IS NULL
    )
    AND (
    Group_.description LIKE NULL
    OR NULL IS NULL
    )
    AND (Group_.type_ != 4)
    )

    UNION

    (
    SELECT DISTINCT Group_.groupId AS groupId
    ,REPLACE(Group_.NAME, ' LFR_ORGANIZATION', '') AS groupName
    ,Group_.type_ AS groupType
    ,Group_.friendlyURL AS groupFriendlyURL
    FROM Group_
    INNER JOIN Users_Orgs ON (Users_Orgs.organizationId = Group_.classPK)
    WHERE (Group_.liveGroupId = 0)
    AND (Group_.active_ = 1)
    AND (Users_Orgs.userId = 3391488)
    AND (Group_.companyId = 10132)
    AND (
    Group_.classNameId = 10012
    OR Group_.classNameId = 10024
    )
    AND (Group_.parentGroupId != - 1)
    AND (Group_.liveGroupId = 0)
    AND (Group_.NAME != 'Control Panel')
    AND (
    Group_.NAME LIKE NULL
    OR NULL IS NULL
    )
    AND (
    Group_.description LIKE NULL
    OR NULL IS NULL
    )
    AND (Group_.type_ != 4)
    )

    UNION

    (
    SELECT DISTINCT Group_.groupId AS groupId
    ,REPLACE(Group_.NAME, ' LFR_ORGANIZATION', '') AS groupName
    ,Group_.type_ AS groupType
    ,Group_.friendlyURL AS groupFriendlyURL
    FROM Group_
    INNER JOIN Groups_Orgs ON (Groups_Orgs.groupId = Group_.groupId)
    INNER JOIN Users_Orgs ON (Users_Orgs.organizationId = Groups_Orgs.organizationId)
    WHERE (Group_.liveGroupId = 0)
    AND (Group_.active_ = 1)
    AND (Group_.liveGroupId = 0)
    AND (Users_Orgs.userId = 3391488)
    AND (Group_.companyId = 10132)
    AND (
    Group_.classNameId = 10012
    OR Group_.classNameId = 10024
    )
    AND (Group_.parentGroupId != - 1)
    AND (Group_.liveGroupId = 0)
    AND (Group_.NAME != 'Control Panel')
    AND (
    Group_.NAME LIKE NULL
    OR NULL IS NULL
    )
    AND (
    Group_.description LIKE NULL
    OR NULL IS NULL
    )
    AND (Group_.type_ != 4)
    )

    UNION

    (
    SELECT DISTINCT Group_.groupId AS groupId
    ,REPLACE(Group_.NAME, ' LFR_ORGANIZATION', '') AS groupName
    ,Group_.type_ AS groupType
    ,Group_.friendlyURL AS groupFriendlyURL
    FROM Group_
    INNER JOIN Groups_UserGroups ON (Groups_UserGroups.groupId = Group_.groupId)
    INNER JOIN Users_UserGroups ON (Users_UserGroups.userGroupId = Groups_UserGroups.userGroupId)
    WHERE (Group_.liveGroupId = 0)
    AND (Group_.active_ = 1)
    AND (Group_.liveGroupId = 0)
    AND (Users_UserGroups.userId = 3391488)
    AND (Group_.companyId = 10132)
    AND (
    Group_.classNameId = 10012
    OR Group_.classNameId = 10024
    )
    AND (Group_.parentGroupId != - 1)
    AND (Group_.liveGroupId = 0)
    AND (Group_.NAME != 'Control Panel')
    AND (
    Group_.NAME LIKE NULL
    OR NULL IS NULL
    )
    AND (
    Group_.description LIKE NULL
    OR NULL IS NULL
    )
    AND (Group_.type_ != 4)
    )
    ORDER BY groupName ASC

想知道为什么liferay没有缓存它....