[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16205666#comment-16205666 ] ramkrishna.s.vasudevan commented on HBASE-18945: [~chia7712], [~Apache9], [~saint@gmail.com], [~anoop.hbase] Ping for reviews. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-alpha-4 > > Attachments: HBASE-18495.patch, HBASE-18945_2.patch, > HBASE-18945_3.patch, HBASE-18945_4.patch, HBASE-18945_5.patch, > HBASE-18945_6.patch, HBASE-18945_6.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16205489#comment-16205489 ] ramkrishna.s.vasudevan commented on HBASE-18945: Oh sorry. I did not add the new file while updating the patch. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-alpha-4 > > Attachments: HBASE-18495.patch, HBASE-18945_2.patch, > HBASE-18945_3.patch, HBASE-18945_4.patch, HBASE-18945_5.patch, > HBASE-18945_6.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
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https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16205482#comment-16205482
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Hadoop QA commented on HBASE-18945:
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[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
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https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16203747#comment-16203747
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Hadoop QA commented on HBASE-18945:
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[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
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https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16203381#comment-16203381
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Hadoop QA commented on HBASE-18945:
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[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16201693#comment-16201693 ] Chia-Ping Tsai commented on HBASE-18945: bq. 'ramkrishna vasudevan got a fish trophy!' - Interesting to see this in RB. It says the review number is a palindrome (62926) congrats :) Leave some comment in RB. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch, HBASE-18945_2.patch, > HBASE-18945_3.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16201600#comment-16201600 ] ramkrishna.s.vasudevan commented on HBASE-18945: 'ramkrishna vasudevan got a fish trophy!' - Interesting to see this in RB. It says the review number is a palindrome :) (62926) > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch, HBASE-18945_2.patch, > HBASE-18945_3.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16200521#comment-16200521 ] stack commented on HBASE-18945: --- I am arguing elsewhere AGAINST CoprocessorRegionServerServices; that instead it should be RegionServerServices (though it means lots of code churn). So, I'd argue against CPCellComparator for same reason. Agree the statics should be moved out to CellUtil . > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch, HBASE-18945_2.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[
https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16200442#comment-16200442
]
Chia-Ping Tsai commented on HBASE-18945:
If the {{compareKeyBasedOnColHint}} and {{compareKeyIgnoresMvcc}} are moved to
{{CellUtil}}, it is ok to use the interface in our code base.
> Make a Public interface for CellComparator
> --
>
> Key: HBASE-18945
> URL: https://issues.apache.org/jira/browse/HBASE-18945
> Project: HBase
> Issue Type: Sub-task
>Reporter: ramkrishna.s.vasudevan
>Assignee: ramkrishna.s.vasudevan
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-18495.patch, HBASE-18945_2.patch
>
>
> Based on discussions over in HBASE-18826 and HBASE-18183 it is better we
> expose CellComparator as a public interface so that it could be used in
> Region/Store interfaces to be exposed to CPs.
> Currently the Comparator is exposed in Region, STore and StoreFile. There is
> another discussion whether to expose it at all layers or only at Region.
> However since we are exposing this to CPs CellComparator being @Private is
> not the ideal way to do it. We have to change it to LimitedPrivate. But
> CellComparator has lot of additional methods which are internal (like where a
> Cell is compared with an incoming byte[] used in index comparsions etc).
> One way to expose is that as being done now in HBASE-18826 - by exposing the
> return type as Comparator. But this is not powerful. It only allows to
> compare cells. So we try to expose an IA.LimitedPrivate interface that is
> more powerful and allows comparing individual cell components also.
--
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[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16200290#comment-16200290 ] Anoop Sam John commented on HBASE-18945: bq.Or that it is OK for us to also use the interface in our code other than the implementation class? I do not think we will provide more methods other than the exposed one in interface? Same thing I also have .. Just wanted to comment that and see u already added it. Ya that make sense I think. When we really need to add some extra things in the impl and not expose via interface, we can change the core code parts to use/refer the impl rather than interface. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch, HBASE-18945_2.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16200254#comment-16200254 ] Duo Zhang commented on HBASE-18945: --- I think CellComparator as the interface name is better than CoprocessorCellComparator, but the name of the implementation class is a bit difficult to choose... Or that it is OK for us to also use the interface in our code other than the implementation class? I do not think we will provide more methods other than the exposed one in interface? The static methods could be moved to CellUtil I think. If we can avoid referencing the implementation class everywhere then I think it is OK to just call it CellComparatorImpl. Thanks. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch, HBASE-18945_2.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16199940#comment-16199940 ] Chia-Ping Tsai commented on HBASE-18945: Adding the prefix "CP" is ok to me, but the one thing i care is the prefix should be consistent in all cp-only class. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch, HBASE-18945_2.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16199815#comment-16199815 ] ramkrishna.s.vasudevan commented on HBASE-18945: Ping [~saint@gmail.com] and [~chia7712]. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch, HBASE-18945_2.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[
https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16199398#comment-16199398
]
Hadoop QA commented on HBASE-18945:
---
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| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:5d60123 |
| JIRA Issue | HBASE-18945 |
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[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16198169#comment-16198169 ] ramkrishna.s.vasudevan commented on HBASE-18945: bq.That is really weird...If avoiding the large patch is primary condition, CoprocessorCellComparator for an interface is not right IMO. I thought CellComparator which is implemented and used every where seems to be a type of some comparator which is only for Coprocessors? So if we go with bigger patch only - any suggestions for the interface and impl class name? > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[
https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16197425#comment-16197425
]
Chia-Ping Tsai commented on HBASE-18945:
bq. existing CellComparator remain and will introduce HCellComparator as the
interface? But this is orthogonal to Store/HStore where Store is exposed to CP
and HStore is internal.
That is really weird...If avoiding the large patch is primary condition, the
{{CoprocessorCellComparator}} is acceptable name. The
CoprocessorRegionServerServices is already in our hbase.
> Make a Public interface for CellComparator
> --
>
> Key: HBASE-18945
> URL: https://issues.apache.org/jira/browse/HBASE-18945
> Project: HBase
> Issue Type: Sub-task
>Reporter: ramkrishna.s.vasudevan
>Assignee: ramkrishna.s.vasudevan
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-18495.patch
>
>
> Based on discussions over in HBASE-18826 and HBASE-18183 it is better we
> expose CellComparator as a public interface so that it could be used in
> Region/Store interfaces to be exposed to CPs.
> Currently the Comparator is exposed in Region, STore and StoreFile. There is
> another discussion whether to expose it at all layers or only at Region.
> However since we are exposing this to CPs CellComparator being @Private is
> not the ideal way to do it. We have to change it to LimitedPrivate. But
> CellComparator has lot of additional methods which are internal (like where a
> Cell is compared with an incoming byte[] used in index comparsions etc).
> One way to expose is that as being done now in HBASE-18826 - by exposing the
> return type as Comparator. But this is not powerful. It only allows to
> compare cells. So we try to expose an IA.LimitedPrivate interface that is
> more powerful and allows comparing individual cell components also.
--
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[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16197341#comment-16197341 ] ramkrishna.s.vasudevan commented on HBASE-18945: I finally thought let the existing CellComparator remain and will introduce HCellComparator as the interface? But this is orthogonal to Store/HStore where Store is exposed to CP and HStore is internal. Here it is the other way round. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16196590#comment-16196590 ] ramkrishna.s.vasudevan commented on HBASE-18945: Yes. That is what am trying now. Name the interfaces as SimpleCellComparator? Or CoprocessorCellComparator? And make the impl to be CellComparator only? > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16196586#comment-16196586 ] Anoop Sam John commented on HBASE-18945: Can we some way keep the name of the impl class as CellComparator itself. So that we can reduce this patch size. Or else, the patch is touching almost all files!! We would need a new name for the interface then. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16196521#comment-16196521 ] ramkrishna.s.vasudevan commented on HBASE-18945: Can we name it as HCellComparator? Or SimpleCellComparator? > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16196509#comment-16196509 ] ramkrishna.s.vasudevan commented on HBASE-18945: bq.Can you make the case in the description for this issue? This is a big change. Pawing back through JIRAs is a pain. I'm afraid I've missed key argument when just a JIRA number (do I have to read the whole JIRA or just a piece). I have updated. Pls check if it is helping now. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. > Currently the Comparator is exposed in Region, STore and StoreFile. There is > another discussion whether to expose it at all layers or only at Region. > However since we are exposing this to CPs CellComparator being @Private is > not the ideal way to do it. We have to change it to LimitedPrivate. But > CellComparator has lot of additional methods which are internal (like where a > Cell is compared with an incoming byte[] used in index comparsions etc). > One way to expose is that as being done now in HBASE-18826 - by exposing the > return type as Comparator. But this is not powerful. It only allows to > compare cells. So we try to expose an IA.LimitedPrivate interface that is > more powerful and allows comparing individual cell components also. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16196505#comment-16196505 ] ramkrishna.s.vasudevan commented on HBASE-18945: Thanks for the reviews. Oh. I think we have to make it IA.LimitedPrivate only and not private. Sorry my bad. I think I wanted that annotation and copied a wrong one. :( bq.You have to strike @InterfaceStability.Evolving from CellComparator if you are making it public. As said above it has to LimitedPrivate. My mistake. bq.CellComparatorImpl seems like a mouth full though and perhaps the methods should be elsewhere than in a CellComparatorImpl? Can change the name. I wanted to but did not get a good name. For the methods generally the matchingXXX and util methiods we wanted to add here. And all the compareXXX we thought of adding in CellComparator. So I have still keep that same. You want to change that too? > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[
https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16195000#comment-16195000
]
Chia-Ping Tsai commented on HBASE-18945:
bq. You have to strike @InterfaceStability.Evolving from CellComparator if you
are making it public.
I remember this (HBASE-17857). It seems the {{CellComparator}} is used for CP
only? If so, is IA.LimitedPrivate better? How do user get CellComparator}}
impl if it is exposed as IA.Public?
{code}
public class CellComparatorImpl implements CellComparator {
static final Log LOG = LogFactory.getLog(CellComparatorImpl.class);
private static final long serialVersionUID = -8760041766259623329L;
{code}
I guess the serialVersionUID can be removed also.
> Make a Public interface for CellComparator
> --
>
> Key: HBASE-18945
> URL: https://issues.apache.org/jira/browse/HBASE-18945
> Project: HBase
> Issue Type: Sub-task
>Reporter: ramkrishna.s.vasudevan
>Assignee: ramkrishna.s.vasudevan
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-18495.patch
>
>
> Based on discussions over in HBASE-18826 and HBASE-18183 it is better we
> expose CellComparator as a public interface so that it could be used in
> Region/Store interfaces to be exposed to CPs.
--
This message was sent by Atlassian JIRA
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[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16194841#comment-16194841 ] stack commented on HBASE-18945: --- You have to strike @InterfaceStability.Evolving from CellComparator if you are making it public. Can you make the case in the description for this issue? This is a big change. Pawing back through JIRAs is a pain. I'm afraid I've missed key argument when just a JIRA number (do I have to read the whole JIRA or just a piece). Seems like the idea is to purge from CellComparator methods that depend on a particular Cell implementation? To take these internal, and only expose 'Comparator' functions in CellComparator? Seems good to me. CellComparatorImpl seems like a mouth full though and perhaps the methods should be elsewhere than in a CellComparatorImpl? In CellUtil ? CellComparator looks good though. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > Attachments: HBASE-18495.patch > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
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https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16194452#comment-16194452
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Hadoop QA commented on HBASE-18945:
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[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16194182#comment-16194182 ] ramkrishna.s.vasudevan commented on HBASE-18945: bq.Even if Store and StoreFile also expose it is just fine only. Ya . But I was telling in terms of ease of use for CPs users. Anyway all the layers the compareator is going to be same except for the META region. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16194179#comment-16194179 ] Anoop Sam John commented on HBASE-18945: What I mean is the Comparator that we return from Store will be same as that we have in Region right? And again in StoreFile also. The comparator will be diff at Table level. ie. for META a special one. Thats it. That is why I was asking .. Any way not a big deal. Even if Store and StoreFile also expose it is just fine only. bq.Should we purge the Serializable if we prepare to make CellComparator IA.Public? May be we can. We are not serializing the comparator object. In HFiles, we just write the comparator class name which is used > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16194150#comment-16194150 ] ramkrishna.s.vasudevan commented on HBASE-18945: bq.We have it in Region, Store, StoreFile etc. Reading the code I think for having Comparator in Store or not depends on what type of InternalScanner are we going to expose. How ever if the new interface is only exposing some restrcited but powerful APIs then it is still fine to expose in Store? So that CPs in case they need to filter out or do some processing on KVs can do it at the InternalScanner level? StoreFile level we may not need it IMHO. bq.Should we purge the Serializable if we prepare to make CellComparator IA.Public? Is there any harm in having it Serializable? Am not very sure on this. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16193007#comment-16193007 ] Chia-Ping Tsai commented on HBASE-18945: Should we purge the Serializable if we prepare to make CellComparator IA.Public? > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16192862#comment-16192862 ] Anoop Sam John commented on HBASE-18945: +1 Also see whether we need this getComparator from many CP exposed interfaces. We have it in Region, Store, StoreFile etc. May be from higher level alone is good enough? > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16192829#comment-16192829 ] ramkrishna.s.vasudevan commented on HBASE-18945: So for this issue also shall we use the new CellCompartor interface's impl through out the code and only in the Store/REgion expose the interface with some minimal compare methods? The same philosophy as done for refactoring Region/HRegion and Store/HStore. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16192475#comment-16192475 ] ramkrishna.s.vasudevan commented on HBASE-18945: Ya did it. I forgot to make it as a sub-task at first. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Sub-task >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16192469#comment-16192469 ] Anoop Sam John commented on HBASE-18945: Move it as a sub task for HBASE-18169? > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Improvement >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
[ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16192464#comment-16192464 ] ramkrishna.s.vasudevan commented on HBASE-18945: Ping [~Apache9] and [~anoop.hbase]. > Make a Public interface for CellComparator > -- > > Key: HBASE-18945 > URL: https://issues.apache.org/jira/browse/HBASE-18945 > Project: HBase > Issue Type: Improvement >Reporter: ramkrishna.s.vasudevan >Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-beta-1 > > > Based on discussions over in HBASE-18826 and HBASE-18183 it is better we > expose CellComparator as a public interface so that it could be used in > Region/Store interfaces to be exposed to CPs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
