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From "Gunther Gruber (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (COUCHDB-2484) replication crashes
Date Mon, 01 Dec 2014 13:48:12 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-2484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gunther Gruber updated COUCHDB-2484:
------------------------------------
    Component/s: Database Core

> replication crashes
> -------------------
>
>                 Key: COUCHDB-2484
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-2484
>             Project: CouchDB
>          Issue Type: Bug
>      Security Level: public(Regular issues) 
>          Components: Database Core
>    Affects Versions: 1.6.0
>            Reporter: Gunther Gruber
>            Priority: Minor
>
> We are Using Couchdb Version 1.6 with 8.3T of data, biggest Database ist 2.1T.  At this
moment we switch to  new hardware with more storage space. We copied the files with rsync
and started the replication. 
> One system is already in sync, the other is doing the replication.
> I appreciate that besides the errors in the log, the first system is now in sync.
> The log looks like the following
> Retrying POST request to http://replication:XXXX/database/_revs_diff in 0.5 seconds due
to error req_timedout
> and then
>  Mon, 01 Dec 2014 13:00:28 GMT] [error] [<0.27044.1>] ** Generic server <0.27044.1>
terminating 
> ** Last message in was {'EXIT',<0.26965.1>,killed}
> ** When Server state == {state,<0.26965.1>,<0.27045.1>,40,
>                             {httpdb,
>                                 "http://replication:XXX@XXX.5984/sm_chemie/",
>                                 nil,
>                                 [{"Accept","application/json"},
>                                  {"User-Agent","CouchDB/1.2.0"}],
>                                 30000,
>                                 [{socket_options,
>                                      [{recbuf,262144},
>                                       {sndbuf,262144},
>                                       {nodelay,true},
>                                       {keepalive,true}]}],
>                                 10,250,<0.26966.1>,40},
>                             {httpdb,
>                                 "http://replication:XXX@XXX:5984/sm_chemie/",
>                                 nil,
>                                 [{"Accept","application/json"},
>                                  {"User-Agent","CouchDB/1.2.0"}],
>                                 30000,
>                                 [{socket_options,
>                                      [{recbuf,262144},
>                                       {sndbuf,262144},
>                                       {nodelay,true},
>                                       {keepalive,true}]}],
>                                 10,250,<0.26968.1>,40},
>                             [],nil,nil,nil,
>                             {rep_stats,0,0,0,0,0},
>                             nil,nil,
>                             {batch,[],0}}
> ** Reason for termination == 
> ** killed
> [Mon, 01 Dec 2014 13:00:28 GMT] [error] [<0.27042.1>] {error_report,<0.31.0>,
>                        {<0.27042.1>,crash_report,
>                         [[{initial_call,
>                            {couch_replicator_worker,init,['Argument__1']}},
>                           {pid,<0.27042.1>},
>                           {registered_name,[]},
>                           {error_info,
>                            {exit,killed,
>                             [{gen_server,terminate,6,
>                               [{file,"gen_server.erl"},{line,747}]},
>                              {proc_lib,init_p_do_apply,3,
>                               [{file,"proc_lib.erl"},{line,227}]}]}},
>                           {ancestors,
>                            [<0.26965.1>,couch_rep_sup,couch_primary_services,
>                             couch_server_sup,<0.32.0>]},
>                           {messages,[]},
>                           {links,[<0.27043.1>]},
>                           {dictionary,
>                            [{last_stats_report,{1417,438797,704976}}]},
>                           {trap_exit,true},
>                           {status,running},
>                           {heap_size,377},
>                           {stack_size,24},
>                           {reductions,372}],
>                          []]}}
> It seems to me like a timeout and the replication task then exits. I allready played
arround with the configuration setting with no succes. I can provide more information if needed.
> /etc/couchdb/local.d/001-user_config.ini
> [couchdb]
> file_compression = snappy
> max_dbs_open = 400
> [httpd]
> bind_address = ::
> server_options = [{backlog, 128}, {acceptor_pool_size, 16}]
> socket_options = [{recbuf, 262144}, {sndbuf, 262144}, {nodelay, true}, {keepalive, true}]
> [couch_httpd_auth]
> secret = 
> [log_level_by_module]
> couch_httpd = warning
> couch_replicator = debug
> couch_query_servers = warning 
> [daemons]
> httpsd = {couch_httpd, start_link, [https]}
> [ssl]
> cert_file = /etc/couchdb/ssl/certs/couchdb-couch1.prime.adns.de.pem
> key_file =  /etc/couchdb/ssl/private/couchdb-couch1.prime.adns.de.pem
> verify_ssl_certificates = false
> [replicator]
> worker_batch_size = 2000
> worker_processes = 40
> http_connections = 40
> socket_options = [{recbuf, 262144}, {sndbuf, 262144}, {nodelay, true}, {keepalive, true}]
> /etc/default/couchdb
> # Sourced by init script for configuration.
> COUCHDB_USER=couchdb
> COUCHDB_STDOUT_FILE=/dev/null
> COUCHDB_STDERR_FILE=/dev/null
> COUCHDB_RESPAWN_TIMEOUT=5
> COUCHDB_OPTIONS=
> # 32 Threads to handle I/O
> export ERL_FLAGS="+A 32"
> # 8192 open files
> export ERL_MAX_PORTS=8192
> ulimit -n 8192



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