[jira] [Commented] (HBASE-18388) Fix description on region page, explaining what a region name is made of
[
https://issues.apache.org/jira/browse/HBASE-18388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17210175#comment-17210175
]
Viraj Jasani commented on HBASE-18388:
--
[~mirkojotic] added you also as a contributor. Going forward, you can assign
any unassigned Jira to you. Moreover, once assigned, you can raise a github PR
with title covering Jira so that the PR will get linked here automatically. You
can get more details in "Github" section under
[https://hbase.apache.org/book.html#developing].
> Fix description on region page, explaining what a region name is made of
>
>
> Key: HBASE-18388
> URL: https://issues.apache.org/jira/browse/HBASE-18388
> Project: HBase
> Issue Type: Improvement
> Components: master, regionserver, UI
>Affects Versions: 1.3.1, 2.0.0-alpha-1
>Reporter: Lars George
>Assignee: Sourabh Dhanotia
>Priority: Minor
> Labels: beginner
>
> In the {{RegionListTmpl.jamon}} we have this:
> {code}
> Region names are made of the containing table's name, a comma,
> the start key, a comma, and a randomly generated region id. To
> illustrate,
> the region named
> domains,apache.org,5464829424211263407 is party to the table
> domains, has an id of 5464829424211263407 and the first
> key
> in the region is apache.org.The hbase:meta 'table'
> is an internal
> system table (or a 'catalog' table in db-speak).
> The hbase:meta table keeps a list of all regions in the system. The empty
> key is used to denote
> table start and table end. A region with an empty start key is the first
> region in a table.
> If a region has both an empty start key and an empty end key, it's the
> only region in the
> table. See http://hbase.org";>HBase Home for further
> explication.
> {code}
> This is wrong and worded oddly. What needs to be fixed facts wise is:
> - Region names contain (separated by commas) the full table name (including
> the namespace), the start key, the time the region was created, and finally a
> dot with an MD5 hash of everything before the dot. For example:
> {{test,,1499410125885.1544f69aeaf787755caa11d3567a9621.}}
> - The trailing dot is to distinguish legacy region names (like those used by
> the {{hbase:meta}} table)
> - The MD5 hash is used as the directory name within the HBase storage
> directories
> - The names for the meta table use a Jenkins hash instead, also leaving out
> the trailing dot, for example {{hbase:meta,,1.1588230740}}. The time is
> always set to {{1}}.
> - The start key is printed in safe characters, escaping unprintable characters
> - The link to the HBase home page to explain more is useless and should be
> removed.
> - Also, for region replicas, the replica ID is inserted into the name, like
> so {{replicatable,,1486289678486_0001.3e8b7655299b21b3038ff8d39062467f.}},
> see the {{_0001}} part.
> As for the wording, I would just make this all flow a little better, that "is
> party of" sounds weird to me (IMHO).
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[jira] [Commented] (HBASE-18388) Fix description on region page, explaining what a region name is made of
[
https://issues.apache.org/jira/browse/HBASE-18388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17210173#comment-17210173
]
Viraj Jasani commented on HBASE-18388:
--
Done [~sourabhdhanotia], added you to the contributor's list so that you can
assign any unassigned Jira to you.
Thanks
> Fix description on region page, explaining what a region name is made of
>
>
> Key: HBASE-18388
> URL: https://issues.apache.org/jira/browse/HBASE-18388
> Project: HBase
> Issue Type: Improvement
> Components: master, regionserver, UI
>Affects Versions: 1.3.1, 2.0.0-alpha-1
>Reporter: Lars George
>Assignee: Sourabh Dhanotia
>Priority: Minor
> Labels: beginner
>
> In the {{RegionListTmpl.jamon}} we have this:
> {code}
> Region names are made of the containing table's name, a comma,
> the start key, a comma, and a randomly generated region id. To
> illustrate,
> the region named
> domains,apache.org,5464829424211263407 is party to the table
> domains, has an id of 5464829424211263407 and the first
> key
> in the region is apache.org.The hbase:meta 'table'
> is an internal
> system table (or a 'catalog' table in db-speak).
> The hbase:meta table keeps a list of all regions in the system. The empty
> key is used to denote
> table start and table end. A region with an empty start key is the first
> region in a table.
> If a region has both an empty start key and an empty end key, it's the
> only region in the
> table. See http://hbase.org";>HBase Home for further
> explication.
> {code}
> This is wrong and worded oddly. What needs to be fixed facts wise is:
> - Region names contain (separated by commas) the full table name (including
> the namespace), the start key, the time the region was created, and finally a
> dot with an MD5 hash of everything before the dot. For example:
> {{test,,1499410125885.1544f69aeaf787755caa11d3567a9621.}}
> - The trailing dot is to distinguish legacy region names (like those used by
> the {{hbase:meta}} table)
> - The MD5 hash is used as the directory name within the HBase storage
> directories
> - The names for the meta table use a Jenkins hash instead, also leaving out
> the trailing dot, for example {{hbase:meta,,1.1588230740}}. The time is
> always set to {{1}}.
> - The start key is printed in safe characters, escaping unprintable characters
> - The link to the HBase home page to explain more is useless and should be
> removed.
> - Also, for region replicas, the replica ID is inserted into the name, like
> so {{replicatable,,1486289678486_0001.3e8b7655299b21b3038ff8d39062467f.}},
> see the {{_0001}} part.
> As for the wording, I would just make this all flow a little better, that "is
> party of" sounds weird to me (IMHO).
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[jira] [Commented] (HBASE-18388) Fix description on region page, explaining what a region name is made of
[
https://issues.apache.org/jira/browse/HBASE-18388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17210171#comment-17210171
]
Sourabh Dhanotia commented on HBASE-18388:
--
[~vjasani] I would like to take this up. Could you please assign it to me
> Fix description on region page, explaining what a region name is made of
>
>
> Key: HBASE-18388
> URL: https://issues.apache.org/jira/browse/HBASE-18388
> Project: HBase
> Issue Type: Improvement
> Components: master, regionserver, UI
>Affects Versions: 1.3.1, 2.0.0-alpha-1
>Reporter: Lars George
>Priority: Minor
> Labels: beginner
>
> In the {{RegionListTmpl.jamon}} we have this:
> {code}
> Region names are made of the containing table's name, a comma,
> the start key, a comma, and a randomly generated region id. To
> illustrate,
> the region named
> domains,apache.org,5464829424211263407 is party to the table
> domains, has an id of 5464829424211263407 and the first
> key
> in the region is apache.org.The hbase:meta 'table'
> is an internal
> system table (or a 'catalog' table in db-speak).
> The hbase:meta table keeps a list of all regions in the system. The empty
> key is used to denote
> table start and table end. A region with an empty start key is the first
> region in a table.
> If a region has both an empty start key and an empty end key, it's the
> only region in the
> table. See http://hbase.org";>HBase Home for further
> explication.
> {code}
> This is wrong and worded oddly. What needs to be fixed facts wise is:
> - Region names contain (separated by commas) the full table name (including
> the namespace), the start key, the time the region was created, and finally a
> dot with an MD5 hash of everything before the dot. For example:
> {{test,,1499410125885.1544f69aeaf787755caa11d3567a9621.}}
> - The trailing dot is to distinguish legacy region names (like those used by
> the {{hbase:meta}} table)
> - The MD5 hash is used as the directory name within the HBase storage
> directories
> - The names for the meta table use a Jenkins hash instead, also leaving out
> the trailing dot, for example {{hbase:meta,,1.1588230740}}. The time is
> always set to {{1}}.
> - The start key is printed in safe characters, escaping unprintable characters
> - The link to the HBase home page to explain more is useless and should be
> removed.
> - Also, for region replicas, the replica ID is inserted into the name, like
> so {{replicatable,,1486289678486_0001.3e8b7655299b21b3038ff8d39062467f.}},
> see the {{_0001}} part.
> As for the wording, I would just make this all flow a little better, that "is
> party of" sounds weird to me (IMHO).
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[jira] [Commented] (HBASE-18388) Fix description on region page, explaining what a region name is made of
[
https://issues.apache.org/jira/browse/HBASE-18388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17026025#comment-17026025
]
Mirko Jotic commented on HBASE-18388:
-
[~liyu] if this is still relevant I'd like to submit a patch. Is there
something I need to do before I'm allowed to submit a patch? Executing
submit-patch.py is giving me 403 from Jira API.
> Fix description on region page, explaining what a region name is made of
>
>
> Key: HBASE-18388
> URL: https://issues.apache.org/jira/browse/HBASE-18388
> Project: HBase
> Issue Type: Improvement
> Components: master, regionserver, UI
>Affects Versions: 1.3.1, 2.0.0-alpha-1
>Reporter: Lars George
>Priority: Minor
> Labels: beginner
>
> In the {{RegionListTmpl.jamon}} we have this:
> {code}
> Region names are made of the containing table's name, a comma,
> the start key, a comma, and a randomly generated region id. To
> illustrate,
> the region named
> domains,apache.org,5464829424211263407 is party to the table
> domains, has an id of 5464829424211263407 and the first
> key
> in the region is apache.org.The hbase:meta 'table'
> is an internal
> system table (or a 'catalog' table in db-speak).
> The hbase:meta table keeps a list of all regions in the system. The empty
> key is used to denote
> table start and table end. A region with an empty start key is the first
> region in a table.
> If a region has both an empty start key and an empty end key, it's the
> only region in the
> table. See http://hbase.org";>HBase Home for further
> explication.
> {code}
> This is wrong and worded oddly. What needs to be fixed facts wise is:
> - Region names contain (separated by commas) the full table name (including
> the namespace), the start key, the time the region was created, and finally a
> dot with an MD5 hash of everything before the dot. For example:
> {{test,,1499410125885.1544f69aeaf787755caa11d3567a9621.}}
> - The trailing dot is to distinguish legacy region names (like those used by
> the {{hbase:meta}} table)
> - The MD5 hash is used as the directory name within the HBase storage
> directories
> - The names for the meta table use a Jenkins hash instead, also leaving out
> the trailing dot, for example {{hbase:meta,,1.1588230740}}. The time is
> always set to {{1}}.
> - The start key is printed in safe characters, escaping unprintable characters
> - The link to the HBase home page to explain more is useless and should be
> removed.
> - Also, for region replicas, the replica ID is inserted into the name, like
> so {{replicatable,,1486289678486_0001.3e8b7655299b21b3038ff8d39062467f.}},
> see the {{_0001}} part.
> As for the wording, I would just make this all flow a little better, that "is
> party of" sounds weird to me (IMHO).
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[jira] [Commented] (HBASE-18388) Fix description on region page, explaining what a region name is made of
[
https://issues.apache.org/jira/browse/HBASE-18388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16924078#comment-16924078
]
Sanjeet Nishad commented on HBASE-18388:
Hi,
[~larsgeorge] are you working on this or should I share a patch for this?
> Fix description on region page, explaining what a region name is made of
>
>
> Key: HBASE-18388
> URL: https://issues.apache.org/jira/browse/HBASE-18388
> Project: HBase
> Issue Type: Improvement
> Components: master, regionserver, UI
>Affects Versions: 1.3.1, 2.0.0-alpha-1
>Reporter: Lars George
>Priority: Minor
> Labels: beginner
>
> In the {{RegionListTmpl.jamon}} we have this:
> {code}
> Region names are made of the containing table's name, a comma,
> the start key, a comma, and a randomly generated region id. To
> illustrate,
> the region named
> domains,apache.org,5464829424211263407 is party to the table
> domains, has an id of 5464829424211263407 and the first
> key
> in the region is apache.org.The hbase:meta 'table'
> is an internal
> system table (or a 'catalog' table in db-speak).
> The hbase:meta table keeps a list of all regions in the system. The empty
> key is used to denote
> table start and table end. A region with an empty start key is the first
> region in a table.
> If a region has both an empty start key and an empty end key, it's the
> only region in the
> table. See http://hbase.org";>HBase Home for further
> explication.
> {code}
> This is wrong and worded oddly. What needs to be fixed facts wise is:
> - Region names contain (separated by commas) the full table name (including
> the namespace), the start key, the time the region was created, and finally a
> dot with an MD5 hash of everything before the dot. For example:
> {{test,,1499410125885.1544f69aeaf787755caa11d3567a9621.}}
> - The trailing dot is to distinguish legacy region names (like those used by
> the {{hbase:meta}} table)
> - The MD5 hash is used as the directory name within the HBase storage
> directories
> - The names for the meta table use a Jenkins hash instead, also leaving out
> the trailing dot, for example {{hbase:meta,,1.1588230740}}. The time is
> always set to {{1}}.
> - The start key is printed in safe characters, escaping unprintable characters
> - The link to the HBase home page to explain more is useless and should be
> removed.
> - Also, for region replicas, the replica ID is inserted into the name, like
> so {{replicatable,,1486289678486_0001.3e8b7655299b21b3038ff8d39062467f.}},
> see the {{_0001}} part.
> As for the wording, I would just make this all flow a little better, that "is
> party of" sounds weird to me (IMHO).
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[jira] [Commented] (HBASE-18388) Fix description on region page, explaining what a region name is made of
[
https://issues.apache.org/jira/browse/HBASE-18388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16089247#comment-16089247
]
Yu Li commented on HBASE-18388:
---
Nice catch and good suggestions. Mind uploading a patch? [~larsgeorge]
[~misty] FYI sir.
> Fix description on region page, explaining what a region name is made of
>
>
> Key: HBASE-18388
> URL: https://issues.apache.org/jira/browse/HBASE-18388
> Project: HBase
> Issue Type: Improvement
> Components: master, regionserver, UI
>Affects Versions: 1.3.1, 2.0.0-alpha-1
>Reporter: Lars George
>Priority: Minor
> Labels: beginner
>
> In the {{RegionListTmpl.jamon}} we have this:
> {code}
> Region names are made of the containing table's name, a comma,
> the start key, a comma, and a randomly generated region id. To
> illustrate,
> the region named
> domains,apache.org,5464829424211263407 is party to the table
> domains, has an id of 5464829424211263407 and the first
> key
> in the region is apache.org.The hbase:meta 'table'
> is an internal
> system table (or a 'catalog' table in db-speak).
> The hbase:meta table keeps a list of all regions in the system. The empty
> key is used to denote
> table start and table end. A region with an empty start key is the first
> region in a table.
> If a region has both an empty start key and an empty end key, it's the
> only region in the
> table. See http://hbase.org";>HBase Home for further
> explication.
> {code}
> This is wrong and worded oddly. What needs to be fixed facts wise is:
> - Region names contain (separated by commas) the full table name (including
> the namespace), the start key, the time the region was created, and finally a
> dot with an MD5 hash of everything before the dot. For example:
> {{test,,1499410125885.1544f69aeaf787755caa11d3567a9621.}}
> - The trailing dot is to distinguish legacy region names (like those used by
> the {{hbase:meta}} table)
> - The MD5 hash is used as the directory name within the HBase storage
> directories
> - The names for the meta table use a Jenkins hash instead, also leaving out
> the trailing dot, for example {{hbase:meta,,1.1588230740}}. The time is
> always set to {{1}}.
> - The start key is printed in safe characters, escaping unprintable characters
> - The link to the HBase home page to explain more is useless and should be
> removed.
> - Also, for region replicas, the replica ID is inserted into the name, like
> so {{replicatable,,1486289678486_0001.3e8b7655299b21b3038ff8d39062467f.}},
> see the {{_0001}} part.
> As for the wording, I would just make this all flow a little better, that "is
> party of" sounds weird to me (IMHO).
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