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HBASE-22527 [hbck2] Add a master web ui to show the problematic regions - #373
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infraio wants to merge 1 commit into
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HBASE-22527 [hbck2] Add a master web ui to show the problematic regions#373infraio wants to merge 1 commit into
infraio wants to merge 1 commit into
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Apache9
requested changes
Jul 11, 2019
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.HashSet; | ||
| import java.util.LinkedList; |
busbey
requested changes
Jul 11, 2019
| private final RegionStates regionStates = new RegionStates(); | ||
| private final RegionStateStore regionStateStore; | ||
| private final ConcurrentMap<ServerName, Set<byte[]>> rsReports = new ConcurrentHashMap<>(); |
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It looks like all of our access is synchronized, why are we using CHM?
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Changed to HashMap in new patch.
busbey
reviewed
Jul 11, 2019
| return master; | ||
| } | ||
| public Map<byte[], Pair<ServerName, Set<ServerName>>> getProblematicRegions() { |
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how do we get from this method to the master UI?
we need a way to get the same information via a cli, either hbck1 or shell.
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Added the UI in new patch.
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I thought hbck1 already have the ability to find these problematic regions?
busbey
reviewed
Jul 11, 2019
| return master; | ||
| } | ||
| public Map<byte[], Pair<ServerName, Set<ServerName>>> getProblematicRegions() { |
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this method needs a javadoc description of what we're returning
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Added the javadoc in new patch.
busbey
reviewed
Jul 11, 2019
| } | ||
| public Map<byte[], Pair<ServerName, Set<ServerName>>> getProblematicRegions() { | ||
| ConcurrentMap<byte[], Set<ServerName>> reportedOnlineRegions = new ConcurrentHashMap<>(); |
Apache-HBase
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Jul 12, 2019
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Apache-HBase
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saintstack
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Jul 17, 2019
saintstack
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Really great. Just a note on something to add on commit.
| int numOfPages = (int) Math.ceil(totalSize * 1.0 / sizePerPage); | ||
| </%java> | ||
| <section> | ||
| <h2><a name="rit">Problematic Regions</a></h2> |
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On commit, add a sentence that says what a problematic region is. It seems like its one that has a meta entry that does not agree w/ where it is actually deployed?
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Or, you say below what it is... * case 1. Master thought this region opened, but no regionserver reported it.
- case 2. Master thought this region opened on Server1, but regionserver reported Server2
- case 3. More than one regionservers reported opened this region
Can this be added in the UI maybe in small text?
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Already committed it. Will add addendum for this.
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