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https://issues.apache.org/jira/browse/RANGER-3899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17648661#comment-17648661
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Ramachandran commented on RANGER-3899:
--------------------------------------
[[email protected]] [~abhayk] [~vel] [~spolavarapu] [~pradeep]
Hi All,
could you Please review it.?
> Policy creation takes more time when there are more users,groups,roles
> ----------------------------------------------------------------------
>
> Key: RANGER-3899
> URL: https://issues.apache.org/jira/browse/RANGER-3899
> Project: Ranger
> Issue Type: Improvement
> Components: Ranger
> Affects Versions: 3.0.0
> Reporter: Ramachandran
> Assignee: Ramachandran
> Priority: Major
> Fix For: 3.0.0
>
> Attachments:
> 0001-RANGER-3899-Policy-creation-takes-more-time-when-the.patch
>
>
> *{color:#0000ff}Policy Creation Steps in Apache
> Ranger:{color}*{color:#0000ff} {color}
>
> {code:java}
> 1. Get the service by Name:
> RangerService service = getServiceByName(policy.getService());→ 1DB Read call
> 2. Get XXServiceDef by Name
> XXServiceDef xServiceDef =
> daoMgr.getXXServiceDef().findByName(service.getType()); → 1DB Read call
> 3. Get the existing XXPolicy by Name
> XXPolicy existing =
> daoMgr.getXXPolicy().findByNameAndServiceIdAndZoneId(policy.getName(),
> service.getId(), zoneId); → 1DB Read call
> 4. Create a policy
> policy = policyService.create(policy, true); → 1DB Write call
> 5. Get policy by Id
> XXPolicy xCreatedPolicy = daoMgr.getXXPolicy().getById(policy.getId()); → 1DB
> Read call
> 6. createObjectDataHistory for the newly created policy
> dataHistService.createObjectDataHistory(createdPolicy,
> RangerDataHistService.ACTION_CREATE); → 1DB Write call
> 7. createTrxLog for the newly created policy
> bizUtil.createTrxLog(trxLogList); → 1DB Write call
> 8. Create Policy Label for the newly created policy
> createOrMapLabels(xCreatedPolicy, uniquePolicyLabels); → 1DB Write call
> 9. Create Policy Mapping For Ref Table
> policyRefUpdater.createNewPolMappingForRefTable(policy, xCreatedPolicy,
> xServiceDef);
> 1. Getting
> roleNames,groupNames,userNames,accessTypes,dataMaskTypes,conditionTypes from
> each policy items of the policy
> 2. Getting resourceNames from the policy
> 3.For each resource
> Getting the XXResourceDef by resource and policy.getId()
> XXResourceDef xResDef =
> daoMgr.getXXResourceDef().findByNameAndPolicyId(resource, policy.getId()); →
> 1DB Read call for each resource
> populate XXPolicyRefResource
> 4. Create the batch of XXPolicyRefResource in DB
> daoMgr.getXXPolicyRefResource().batchCreate(xPolResources); → 1DB Batch
> Write call
> 5.For each roleNames
> Getting XXRole by roleName
> XXRole xRole = daoMgr.getXXRole().findByRoleName(role); → 1DB Read call
> for each role
> populate XXPolicyRefRole
> 6. Create the batch of XXPolicyRefRole in DB
> daoMgr.getXXPolicyRefResource().batchCreate(xPolRoles); → 1DB Batch Write
> call
> 7.For each groupNames
> Getting the XXGroup by groupName
> XXGroup xGroup =
> daoMgr.getXXGroup().findByGroupName(context.group.getName());→ 1DB Read call
> for each group
> populate XXPolicyRefGroup
> Insert into DB
> daoMgr.getXXPolicyRefGroup().create(xPolGroup);→ 1DB write call for each group
> 8.For each userNames
> Getting XXUser by userName
> XXUser xUser = daoMgr.getXXUser().findByUserName(user); → 1DB Read call for
> each user
> populate XXPolicyRefUser
> daoMgr.getXXPolicyRefUser().create(xPolUser); → 1DB write call for each user
> 9.For each accessTypes
> Getting the XXAccessTypeDef by accessType and xPolicy.getService()
> XXAccessTypeDef xAccTypeDef =
> daoMgr.getXXAccessTypeDef().findByNameAndServiceId(accessType,
> xPolicy.getService()); → 1DB Read call for each accesType
> populate XXAccessTypeDef
> 10. Create the batch of xPolAccesses in DB
> daoMgr.getXXPolicyRefAccessType().batchCreate(xPolAccesses); → 1DB Batch
> Write call
> 11.For each conditionTypes
> Getting the XXPolicyConditionDef by condition and xServiceDef.getId()
> XXPolicyConditionDef xPolCondDef =
> daoMgr.getXXPolicyConditionDef().findByServiceDefIdAndName(xServiceDef.getId(),
> condition); → 1DB Read call for each conditionType
> populate XXPolicyConditionDef
> 12. Create the batch of xPolConds in DB
> daoMgr.getXXPolicyRefCondition().batchCreate(xPolConds); → 1DB Batch Write
> call
> {code}
>
> *{color:#0000ff}A total number of DB calls involved for the below Policy
> creation in Apache Ranger(Before Fix):{color}*
>
> The Policy contains 500 users,5 access Types (permissions),12 resources
> (1DB,1Table,10 columns)
>
> ||DB Write count||DB Read count||DB Batch Write count||Time is taken to
> create the policy||
> |504|526|3|{color:#ff0000}4~8 seconds{color}|
> *{color:#0000ff}A total number of DB calls involved for the below Policy
> creation in Apache Ranger(After Fix):{color}*
>
> The policy contains 500 users,5 access Types (permissions),12 resources
> (1DB,1Table,10 columns)
> {color:#ff0000}Proposal :{color}
> {color:#ff0000}After changing to batch create of XXPolicyRefUser instead of
> calling 1 DB write XXPolicyRefUser for every user of the policy:{color}
>
> ||DB Write count||DB Read count||DB Batch Write count||Time is taken to
> create the policy||
> |6|526|5|{color:#ff0000}2.6~4 seconds{color}|
> A similar will be applied for roles and groups as well.
>
> After fixing (RANGER-3899, RANGER-2732,)
> When Policy contains 500 users,5 access Types (permissions),12 resources
> (1DB,1Table,10 columns)
> After the Batch read the calls will be reduced into
> ||DB Write count||DB Read count||DB Batch Write count||Time is taken to
> create the policy||
> |6|27|5|<2.6 seconds (needs to be validated)|
> DB read calls will be reduced to {color:#de350b}27{color} from
> {color:#403294}526{color}
> {color:#403294}Fixing this part will reduce the DB read calls to a very
> minimum which will improve performance drastically.{color}
>
>
>
>
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