Does anyone have similar problems?
The cache class we configured is FastLRUCache in solrconfig.xml <filterCache class="solr.FastLRUCache" size="512" initialSize="512" autowarmCount="0"/> Many threads are blocking the stack below: "qtp2141817446-2744893" #2744893 prio=5 os_prio=0 tid=0x00007f0b1b9f4800 nid=0x3ea9 waiting for monitor entry [0x00007f0b16bdd000] java.lang.Thread.State: BLOCKED (on object monitor) at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1674) - waiting to lock <0x000000030e8004a8> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at org.apache.solr.util.ConcurrentLRUCache.computeIfAbsent(ConcurrentLRUCache.java:226) at org.apache.solr.search.FastLRUCache.computeIfAbsent(FastLRUCache.java:259) at org.apache.solr.search.SolrIndexSearcher.getAndCacheDocSet(SolrIndexSearcher.java:876) at org.apache.solr.search.SolrIndexSearcher.getDocSet(SolrIndexSearcher.java:825) at org.apache.solr.search.SolrIndexSearcher.getDocSetBits(SolrIndexSearcher.java:788) at org.apache.solr.search.SolrIndexSearcher.getLiveDocSet(SolrIndexSearcher.java:897) at org.apache.solr.query.SolrRangeQuery.createDocSet(SolrRangeQuery.java:174) at org.apache.solr.query.SolrRangeQuery.createDocSet(SolrRangeQuery.java:168) at org.apache.solr.search.DocSetUtil.createDocSet(DocSetUtil.java:129) at org.apache.solr.search.SolrIndexSearcher.getDocSetNC(SolrIndexSearcher.java:1197) at org.apache.solr.search.SolrIndexSearcher.lambda$getAndCacheDocSet$1(SolrIndexSearcher.java:876) at org.apache.solr.search.SolrIndexSearcher$$Lambda$823/1455346307.apply(Unknown Source) at org.apache.solr.search.FastLRUCache.lambda$computeIfAbsent$1(FastLRUCache.java:261) at org.apache.solr.search.FastLRUCache$$Lambda$824/1183964656.apply(Unknown Source) at org.apache.solr.util.ConcurrentLRUCache.lambda$computeIfAbsent$1(ConcurrentLRUCache.java:227) at org.apache.solr.util.ConcurrentLRUCache$$Lambda$825/1107818925.apply(Unknown Source) at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660) - locked <0x0000000310c00220> (a java.util.concurrent.ConcurrentHashMap$ReservationNode) at org.apache.solr.util.ConcurrentLRUCache.computeIfAbsent(ConcurrentLRUCache.java:226) at org.apache.solr.search.FastLRUCache.computeIfAbsent(FastLRUCache.java:259) at org.apache.solr.search.SolrIndexSearcher.getAndCacheDocSet(SolrIndexSearcher.java:876) at org.apache.solr.search.SolrIndexSearcher.getPositiveDocSet(SolrIndexSearcher.java:844) at org.apache.solr.search.SolrIndexSearcher.getProcessedFilter(SolrIndexSearcher.java:1035) at org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:1558) at org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1439) at org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:596) Thanks.
