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  1. MariaDB MaxScale
  2. MXS-2727

Maxscale 2.4.2 crash

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.4.4
    • Component/s: cache
    • Labels:
      None
    • Environment:
      OS:CentOS Linux release 7.7.1908 (Core)
      Maxscale: Linux maxscale_189 3.10.0-1062.1.1.el7.x86_64 #1 SMP Fri Sep 13 22:55:44 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

      MaxScale 2.4.2
      ram 8G
      cpu 16 core
    • Sprint:
      MXS-SPRINT-93, MXS-SPRINT-94

      Description

      error in maxscale.log
      Maybe this is because I enable maxscale cache for my Percona XtrDB Cluster 5.7
      So I closed maxscale cache now.

      ==========================
      2019-10-01 21:38:52   alert  : (79707) Fatal: MaxScale 2.4.2 received fatal signal 11. Attempting backtrace.
      2019-10-01 21:38:52   alert  : (79707) Commit ID: aad4148d77bf2dfbaa0042bc45abda30c101cad2 System name: Linux Release string: NAME="CentOS Linux"
      2019-10-01 21:38:52   alert  : (79707)   /usr/lib64/maxscale/libcache.so(_ZN10LRUStorage12do_put_valueERK9cache_keyPK5GWBUF+0xc8): server/modules/filter/cache/lrustorage.hh:201
      2019-10-01 21:38:52   alert  : (79707)   /usr/lib64/maxscale/libcache.so(_ZN12LRUStorageMT9put_valueERK9cache_keyPK5GWBUF+0x47): /opt/rh/devtoolset-7/root/usr/include/c++/7/x86_64-redhat-linux/bits/gthr-default.h:777
      2019-10-01 21:38:52   alert  : (79707)   /usr/lib64/maxscale/libcache.so(_ZN18CacheFilterSession12store_resultEv+0x39): server/modules/filter/cache/cachefiltersession.cc:774
      2019-10-01 21:38:52   alert  : (79707)   /usr/lib64/maxscale/libcache.so(_ZN18CacheFilterSession21handle_expecting_rowsEv+0x14e): server/modules/filter/cache/cachefiltersession.cc:634
      2019-10-01 21:38:52   alert  : (79707)   /usr/lib64/maxscale/libcache.so(_ZN8maxscale6FilterI11CacheFilter18CacheFilterSessionE11clientReplyEP10mxs_filterP18mxs_filter_sessionP5GWBUF+0x14): include/maxscale/filter.hh:550
      2019-10-01 21:38:52   alert  : (79707)   /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_Z19session_route_replyP11MXS_SESSIONP5GWBUF+0x15): server/core/session.cc:573
      2019-10-01 21:38:52   alert  : (79707)   /usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession11clientReplyEP5GWBUFP3DCB+0x4a1): server/modules/routing/readwritesplit/rwsplitsession.cc:836
      2019-10-01 21:38:52   alert  : (79707)   /usr/lib64/maxscale/libreadwritesplit.so(_ZN8maxscale6RouterI7RWSplit14RWSplitSessionE11clientReplyEP10mxs_routerP18mxs_router_sessionP5GWBUFP3DCB+0x27): include/maxscale/router.hh:477
      2019-10-01 21:38:52   alert  : (79707)   /usr/lib64/maxscale/libmariadbbackend.so(+0x4683): server/modules/protocol/MySQL/mariadbbackend/mysql_backend.cc:1044
      2019-10-01 21:38:53   alert  : (79707)   /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x9d487): server/core/dcb.cc:2701
      2019-10-01 21:38:53   alert  : (79707)   /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x9d511): server/core/dcb.cc:2793
      2019-10-01 21:38:53   alert  : (79707)   /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker15poll_waiteventsEv+0x196): maxutils/maxbase/src/worker.cc:858
      2019-10-01 21:38:53   alert  : (79707)   /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker3runEPNS_9SemaphoreE+0x53): maxutils/maxbase/src/worker.cc:559
      2019-10-01 21:38:53   alert  : (79707)   /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x1ad83f): thread48.o:?
      2019-10-01 21:38:53   alert  : (79707)   /lib64/libpthread.so.0(+0x7e65): pthread_create.c:?
      2019-10-01 21:38:53   alert  : (79707)   /lib64/libc.so.6(clone+0x6d): ??:?
      ============================
      

      /etc/maxscale.cnf
      [maxscale]
      threads=auto
       
      [node1]
      type=server
      address=10.1.0.176
      port=3306
      protocol=mariadbbackend
       
      [node2]
      type=server
      address=10.1.0.177
      port=3306
      protocol=mariadbbackend
       
      [node3]
      type=server
      address=10.1.0.178
      port=3306
      protocol=mariadbbackend
       
      [node4]
      type=server
      address=10.1.0.179
      port=3306
      protocol=mariadbbackend
       
      [node5]
      type=server
      address=10.1.0.180
      port=3306
      protocol=mariadbbackend
       
      [backup_server]
      type=server
      address=10.1.0.121
      port=3306
      protocol=mariadbbackend
       
      [PXC_Monitor]
      type=monitor
      module=galeramon
      servers=node1,node2,node3,node4,node5,backup_server
      user=maxscale_monitor
      password=xxxxxxxxxxxxxxxxxxxxxx
      monitor_interval=2000ms
       
       
      [MaxScaleCache]
      type=filter
      module=cache
      storage=storage_inmemory
      soft_ttl=60s
      hard_ttl=90s
      cached_data=shared
      max_size=256Mi
      max_resultset_rows=1000
      selects=verify_cacheable
      enabled=true
       
      [PXC_Service]
      type=service
      router=readwritesplit
      slave_selection_criteria=LEAST_GLOBAL_CONNECTIONS
      servers=node1,node2,node3,node4,node5
      user=maxscale_monitor
      password=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      enable_root_user=1
      connection_timeout=7200s
      max_connections=2000
      max_slave_connections=1
      filters=MaxScaleCache
      log_auth_warnings=true
      master_accept_reads=true
      disable_sescmd_history=true
       
      [BackUp_Mysql_Service]
      type=service
      router=readconnroute
      router_options=running
      servers=backup_server
      user=maxscale_monitor
      password=xxxxxxxxxxxxxxxxxxx
      enable_root_user=1
       
      [PXC_Listener]
      type=listener
      service=PXC_Service
      protocol=mariadbclient
      address=0.0.0.0
      port=3306
       
      [BackUp_Listener]
      type=listener
      service=BackUp_Mysql_Service
      protocol=mariadbclient
      address=0.0.0.0
      port=3307
      

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            Assignee:
            johan.wikman Johan Wikman
            Reporter:
            xman13a steven lin
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              Created:
              Updated:
              Resolved: