It looks like you are running version >= 8.10? iirc, replacing legacy cache implementations with the up-to-date default impl (solr.CaffeineCache) has fixed similar problems in the past (though I can't at the moment find the thread/issue to reference). Michael
On Wed, Jan 4, 2023 at 6:59 AM slly <sll...@126.com> wrote: > > 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. > > > >
