sigram commented on a change in pull request #2198:
URL: https://github.com/apache/lucene-solr/pull/2198#discussion_r556446332
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File path: solr/core/src/java/org/apache/solr/core/SolrCore.java
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@@ -1202,26 +1203,26 @@ public void initializeMetrics(SolrMetricsContext
parentContext, String scope) {
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();
- }
- }, true, "collection", Category.CORE.toString());
- parentContext.gauge(() -> {
- if (cd.getShardId() != null) {
- return cd.getShardId();
- } else {
- return parentContext.nullString();
- }
- }, true, "shard", Category.CORE.toString());
- }
+ final CloudDescriptor cd = getCoreDescriptor().getCloudDescriptor();
+ if (cd != null) {
+ // TODO
+ parentContext.gauge(cd::getCollectionName, true, "collection",
Category.CORE.toString());
+ parentContext.gauge(() -> Objects.requireNonNullElse(cd.getShardId(),
parentContext.nullString()), true, "shard", Category.CORE.toString());
+ //TODO should this instead be in a core status, or a metric? When do we
use which?
+ // SEE org.apache.solr.handler.admin.CoreAdminOperation.getCoreStatus
+ parentContext.gauge(() -> {
+ DocCollection docColl =
coreContainer.getZkController().getZkStateReader().getClusterState().getCollectionOrNull(cd.getCollectionName(),
true);
+ Replica leaderReplica = docColl.getLeader(cd.getShardId());
+ return leaderReplica.getName().equals(cd.getCoreNodeName());
+ }, true, "isLeader", Category.CORE.toString());
+ parentContext.gauge(() -> {
+ DocCollection docColl =
coreContainer.getZkController().getZkStateReader().getClusterState().getCollectionOrNull(cd.getCollectionName(),
true);
+ final Replica myReplica = docColl.getReplica(cd.getCoreNodeName());
+ return Objects.requireNonNullElse(myReplica.getState().toString(),
parentContext.nullString());
Review comment:
Similarly `cloudDescriptor.getLastPublished()`.
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