free RAM:
free -m total used free shared buffers cached Mem: 64398 23753 40644 0 108 8324 -/+ buffers/cache: 15319 49078 Swap: 2925 15 2909 ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 515041 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 515041 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited Also attaching complete error file On Mon, May 11, 2015 at 3:35 PM, Anishek Agarwal <anis...@gmail.com> wrote: > the memory cassandra is trying to allocate is pretty small. you sure there > is no hardware failure on the machine. what is the free ram on the box ? > > On Mon, May 11, 2015 at 3:28 PM, Rahul Bhardwaj < > rahul.bhard...@indiamart.com> wrote: > >> Hi All, >> >> We have cluster of 3 nodes with 64GB RAM each. My cluster was running in >> healthy state. Suddenly one machine's cassandra daemon stops working and >> shut down. >> >> On restarting it after 2 minutes it again stops and is getting stop after >> returning below error in cassandra.log >> >> Java HotSpot(TM) 64-Bit Server VM warning: INFO: >> os::commit_memory(0x00007fd064dc6000, 12288, 0) failed; error='Cannot >> allocate memory' (errno=12) >> # >> # There is insufficient memory for the Java Runtime Environment to >> continue. >> # Native memory allocation (malloc) failed to allocate 12288 bytes for >> committing reserved memory. >> # An error report file with more information is saved as: >> # /tmp/hs_err_pid23215.log >> INFO 09:50:41 Loading settings from >> file:/etc/cassandra/default.conf/cassandra.yaml >> INFO 09:50:41 Node configuration:[authenticator=AllowAllAuthenticator; >> authorizer=AllowAllAuthorizer; auto_snapshot=true; >> batch_size_warn_threshold_in_kb=5; batchlog_replay_throttle_in_kb=1024; >> cas_contention_timeout_in_ms=1000; client_encryption_options=<REDACTED>; >> cluster_name=Test Cluster; column_index_size_in_kb=64; >> commit_failure_policy=stop; >> commitlog_directory=/var/lib/cassandra/commitlog; >> commitlog_segment_size_in_mb=64; commitlog_sync=periodic; >> commitlog_sync_period_in_ms=10000; compaction_throughput_mb_per_sec=16; >> concurrent_compactors=4; concurrent_counter_writes=32; concurrent_reads=32; >> concurrent_writes=32; counter_cache_save_period=7200; >> counter_cache_size_in_mb=null; counter_write_request_timeout_in_ms=5000; >> cross_node_timeout=false; data_file_directories=[/var/lib/cassandra/data]; >> disk_failure_policy=stop; dynamic_snitch_badness_threshold=0.1; >> dynamic_snitch_reset_interval_in_ms=600000; >> dynamic_snitch_update_interval_in_ms=100; >> endpoint_snitch=GossipingPropertyFileSnitch; hinted_handoff_enabled=true; >> hinted_handoff_throttle_in_kb=1024; incremental_backups=false; >> index_summary_capacity_in_mb=null; >> index_summary_resize_interval_in_minutes=60; inter_dc_tcp_nodelay=false; >> internode_compression=all; key_cache_save_period=14400; >> key_cache_size_in_mb=null; listen_address=null; >> max_hint_window_in_ms=10800000; max_hints_delivery_threads=2; >> memtable_allocation_type=heap_buffers; native_transport_port=9042; >> num_tokens=256; partitioner=org.apache.cassandra.dht.Murmur3Partitioner; >> permissions_validity_in_ms=2000; range_request_timeout_in_ms=1000000; >> read_request_timeout_in_ms=999999999; >> request_scheduler=org.apache.cassandra.scheduler.NoScheduler; >> request_timeout_in_ms=999999999; row_cache_save_period=0; >> row_cache_size_in_mb=0; rpc_address=null; rpc_keepalive=true; >> rpc_port=9160; rpc_server_type=sync; >> saved_caches_directory=/var/lib/cassandra/saved_caches; >> seed_provider=[{class_name=org.apache.cassandra.locator.SimpleSeedProvider, >> parameters=[{seeds=206.191.151.199}]}]; >> server_encryption_options=<REDACTED>; snapshot_before_compaction=false; >> ssl_storage_port=7001; sstable_preemptive_open_interval_in_mb=50; >> start_native_transport=true; start_rpc=true; storage_port=7000; >> thrift_framed_transport_size_in_mb=15; tombstone_failure_threshold=100000; >> tombstone_warn_threshold=1000; trickle_fsync=false; >> trickle_fsync_interval_in_kb=10240; truncate_request_timeout_in_ms=60000; >> write_request_timeout_in_ms=999999999] >> ERROR 09:50:41 Exception encountered during startup >> java.lang.OutOfMemoryError: unable to create new native thread >> at java.lang.Thread.start0(Native Method) ~[na:1.7.0_60] >> at java.lang.Thread.start(Thread.java:714) ~[na:1.7.0_60] >> at >> java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949) >> ~[na:1.7.0_60] >> at >> java.util.concurrent.ThreadPoolExecutor.ensurePrestart(ThreadPoolExecutor.java:1590) >> ~[na:1.7.0_60] >> at >> java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:333) >> ~[na:1.7.0_60] >> at >> java.util.concurrent.ScheduledThreadPoolExecutor.scheduleWithFixedDelay(ScheduledThreadPoolExecutor.java:594) >> ~[na:1.7.0_60] >> at >> org.apache.cassandra.concurrent.DebuggableScheduledThreadPoolExecutor.scheduleWithFixedDelay(DebuggableScheduledThreadPoolExecutor.java:61) >> ~[apache-cassandra-2.1.2.jar:2.1.2-SNAPSHOT] >> at org.apache.cassandra.gms.Gossiper.start(Gossiper.java:1188) >> ~[apache-cassandra-2.1.2.jar:2.1.2-SNAPSHOT] >> at >> org.apache.cassandra.service.StorageService.prepareToJoin(StorageService.java:721) >> ~[apache-cassandra-2.1.2.jar:2.1.2-SNAPSHOT] >> at >> org.apache.cassandra.service.StorageService.initServer(StorageService.java:643) >> ~[apache-cassandra-2.1.2.jar:2.1.2-SNAPSHOT] >> at >> org.apache.cassandra.service.StorageService.initServer(StorageService.java:535) >> ~[apache-cassandra-2.1.2.jar:2.1.2-SNAPSHOT] >> at >> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:324) >> [apache-cassandra-2.1.2.jar:2.1.2-SNAPSHOT] >> at >> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:448) >> [apache-cassandra-2.1.2.jar:2.1.2-SNAPSHOT] >> at >> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:537) >> [apache-cassandra-2.1.2.jar:2.1.2-SNAPSHOT] >> java.lang.OutOfMemoryError: unable to create new native thread >> at java.lang.Thread.start0(Native Method) >> at java.lang.Thread.start(Thread.java:714) >> at >> java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949) >> at >> java.util.concurrent.ThreadPoolExecutor.ensurePrestart(ThreadPoolExecutor.java:1590) >> at >> java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:333) >> at >> java.util.concurrent.ScheduledThreadPoolExecutor.scheduleWithFixedDelay(ScheduledThreadPoolExecutor.java:594) >> at >> org.apache.cassandra.concurrent.DebuggableScheduledThreadPoolExecutor.scheduleWithFixedDelay(DebuggableScheduledThreadPoolExecutor.java:61) >> at org.apache.cassandra.gms.Gossiper.start(Gossiper.java:1188) >> at >> org.apache.cassandra.service.StorageService.prepareToJoin(StorageService.java:721) >> at >> org.apache.cassandra.service.StorageService.initServer(StorageService.java:643) >> at >> org.apache.cassandra.service.StorageService.initServer(StorageService.java:535) >> at >> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:324) >> at >> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:448) >> at >> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:537) >> Exception encountered during startup: unable to create new native thread >> Java HotSpot(TM) 64-Bit Server VM warning: INFO: >> os::commit_memory(0x00007fd459520000, 65536, 1) failed; error='Cannot >> allocate memory' (errno=12 >> >> This is our production cluster and rest 2 nodes are still in healthy >> state. >> We have also changed heap size from 10G to 20 G but problem still >> persists. Please help in finding the reason behind this. >> >> >> Regards: >> Rahul Bhardwaj >> >> >> Follow IndiaMART.com <http://www.indiamart.com> for latest updates on >> this and more: <https://plus.google.com/+indiamart> >> <https://www.facebook.com/IndiaMART> <https://twitter.com/IndiaMART> >> Mobile Channel: >> <https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=668561641&mt=8> >> <https://play.google.com/store/apps/details?id=com.indiamart.m> >> <http://m.indiamart.com/> >> >> <https://www.youtube.com/watch?v=DzORNbeSXN8&list=PL2o4J51MqpL0mbue6kzDa6eymLVUXtlR1&index=2> >> Check out some smart tips to generate more business - *IndiaMART >> Learning Centre* <http://corporate.indiamart.com/quick-learn/> > > > -- Follow IndiaMART.com <http://www.indiamart.com> for latest updates on this and more: <https://plus.google.com/+indiamart> <https://www.facebook.com/IndiaMART> <https://twitter.com/IndiaMART> Mobile Channel: <https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=668561641&mt=8> <https://play.google.com/store/apps/details?id=com.indiamart.m> <http://m.indiamart.com/> <https://www.youtube.com/watch?v=DzORNbeSXN8&list=PL2o4J51MqpL0mbue6kzDa6eymLVUXtlR1&index=2> Check out some smart tips to generate more business - *IndiaMART Learning Centre* <http://corporate.indiamart.com/quick-learn/>