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From Rahul Bhardwaj <rahul.bhard...@indiamart.com>
Subject Re: error='Cannot allocate memory' (errno=12)
Date Mon, 11 May 2015 10:34:08 GMT
PFA of error log​
 hs_err_pid9656.log
<https://docs.google.com/a/indiamart.com/file/d/0B0hlSlesIPVfaU9peGwxSXdsZGc/edit?usp=drive_web>
​

On Mon, May 11, 2015 at 3:58 PM, Rahul Bhardwaj <
rahul.bhardwaj@indiamart.com> wrote:

> 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 <anishek@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.bhardwaj@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
>>>
>>>
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>>>
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>>
>>
>>
>

-- 

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