与数据使用相比，Couchbase高磁盘（仍在增长）

Question

当数据使用率大致处于同一水平时，任何想法为什么沙盒基础磁盘使用量每天都在增长？

当前磁盘使用情况与数据使用情况：143GB / 5.27GB

我知道这可能与数据碎片有关，但运行桶压缩并没有帮助。我之前从未遇到过这样的问题。它在迁移到Couchbase Community Edition 4.0几天后就开始发生了。

编辑：

最近我执行了完整备份，重新安装CB，恢复并且它已经好几天了，但是今天又出现了问题。

在error.log中我可以看到压缩过程中的一些问题，详情如下：

[stats:error,2016-03-04T00:19:25.545+01:00,ns_1@127.0.0.1:<0.1403.0>:stats_reader:log_bad_responses:170]Some nodes didn't respond: ['ns_1@127.0.0.1']
[stats:error,2016-03-04T00:19:25.785+01:00,ns_1@127.0.0.1:<0.1946.0>:stats_reader:log_bad_responses:170]Some nodes didn't respond: ['ns_1@127.0.0.1']
  [ns_server:error,2016-03-04T00:19:25.905+01:00,ns_1@127.0.0.1:<0.1946.0>:menelaus_web:loop:184]Server error during processing: ["web request failed",
                                 {path,"/pools/default/buckets/rtb/ddocs"},
                                 {method,'GET'},
                                 {type,exit},
                                 {what,
                                  {error,
                                   {badrpc,
                                    {'EXIT',
                                     {noproc,
                                      {gen_server,call,
                                       ['capi_ddoc_manager-rtb',
                                        {foreach_doc,
                                         #Fun<capi_utils.5.35130662>},
                                        infinity]}}}}}},
                                 {trace,
                                  [{ns_couchdb_api,rpc_couchdb_node,4,
                                    [{file,"src/ns_couchdb_api.erl"},
                                     {line,162}]},
                                   {capi_utils,full_live_ddocs,3,
                                    [{file,"src/capi_utils.erl"},{line,172}]},
                                   {menelaus_web_buckets,
                                    do_handle_ddocs_list,3,
                                    [{file,"src/menelaus_web_buckets.erl"},
                                     {line,1316}]},
                                   {request_throttler,do_request,3,
                                    [{file,"src/request_throttler.erl"},
                                     {line,59}]},
                                   {menelaus_web,loop,2,
                                    [{file,"src/menelaus_web.erl"},
                                     {line,162}]},
                                   {mochiweb_http,headers,5,
                                    [{file,
                                      "/home/couchbase/jenkins/workspace/sherlock-unix/couchdb/src/mochiweb/mochiweb_http.erl"},
                                     {line,94}]},
                                   {proc_lib,init_p_do_apply,3,
                                    [{file,"proc_lib.erl"},{line,239}]}]}]
[ns_server:error,2016-03-04T00:19:27.446+01:00,ns_1@127.0.0.1:compaction_new_daemon<0.1196.0>:compaction_new_daemon:log_compactors_exit:1266]Compactor <0.2138.0> exited unexpectedly: {error,
                                           {badrpc,
                                            {'EXIT',
                                             {noproc,
                                              {gen_server,call,
                                               ['capi_ddoc_manager-rtb',
                                                {foreach_doc,
                                                 #Fun<capi_utils.3.35130662>},
                                                infinity]}}}}}. Moving to the next bucket.