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SOLR-15081: Metrics for core: isLeader, replicaState (#2198) 

Note that getLastPublished returns an Enum type.  TextWriter.writeVal should probably support Enums, which would simplify this code.
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David Smiley 2021-01-19 16:43:39 -05:00 committed by GitHub
parent 5328ced82e
commit a233ed2fd1
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2 changed files with 14 additions and 22 deletions
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7
solr/CHANGES.txt
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@ -201,13 +201,12 @@ New Features
Improvements
---------------------
* SOLR-15079: Block Collapse - Faster collapse code when groups are co-located via Block Join style nested doc indexing.
Used by default when field=_root_, or explicitly requsted for other fields via hint=block. (Joel Bernstein, hossman)
* SOLR-15081: Metrics for a core: add SolrCloud "isLeader" and "replicaState". (David Smiley)
Optimizations
---------------------
(No changes)
* SOLR-15079: Block Collapse - Faster collapse code when groups are co-located via Block Join style nested doc indexing.
Used by default when field=_root_, or explicitly requested for other fields via hint=block. (Joel Bernstein, hossman)
Bug Fixes
---------------------

25
solr/core/src/java/org/apache/solr/core/SolrCore.java
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@ -1203,26 +1203,19 @@ public final class SolrCore implements SolrInfoBean, Closeable {
parentContext.gauge(() -> isClosed() ? parentContext.nullString() : getIndexDir(), true, "indexDir", Category.CORE.toString());
parentContext.gauge(() -> isClosed() ? parentContext.nullNumber() : getIndexSize(), true, "sizeInBytes", Category.INDEX.toString());
parentContext.gauge(() -> isClosed() ? parentContext.nullString() : NumberUtils.readableSize(getIndexSize()), true, "size", Category.INDEX.toString());
if (coreContainer != null) {
final CloudDescriptor cd = getCoreDescriptor().getCloudDescriptor();
if (cd != null) {
parentContext.gauge(() -> {
if (cd.getCollectionName() != null) {
return cd.getCollectionName();
} else {
return parentContext.nullString();
parentContext.gauge(cd::getCollectionName, true, "collection", Category.CORE.toString());
parentContext.gauge(cd::getShardId, true, "shard", Category.CORE.toString());
parentContext.gauge(cd::isLeader, true, "isLeader", Category.CORE.toString());
parentContext.gauge(
() -> String.valueOf(cd.getLastPublished()),
true,
"replicaState",
Category.CORE.toString());
}
}, true, "collection", Category.CORE.toString());
parentContext.gauge(() -> {
if (cd.getShardId() != null) {
return cd.getShardId();
} else {
return parentContext.nullString();
}
}, true, "shard", Category.CORE.toString());
}
}
// initialize disk total / free metrics
Path dataDirPath = Paths.get(dataDir);
File dataDirFile = dataDirPath.toFile();