有时我们会收到Varnish的Guru Meditation,当我们使用以下命令varnishlog -d -c -m TxStatus：503查看varnishlog时,它会返回类似于以下内容的输出：

15 VCL_call     c recv
   15 VCL_acl      c NO_MATCH devs
   15 VCL_return   c pass
   15 VCL_call     c hash
   15 Hash         c ****
   15 Hash         c *************
   15 VCL_return   c hash
   15 VCL_call     c pass pass
   15 Backend      c 12 default default
   15 TTL          c 1835862523 RFC 0 -1 -1 1332454056 0 1332454055 375007920 0
   15 VCL_call     c fetch hit_for_pass
   15 ObjProtocol  c HTTP/1.1
   15 ObjResponse  c OK
   15 ObjHeader    c Date: Thu,22 Mar 2012 22:07:35 GMT
   15 ObjHeader    c Server: Apache/2.2.21 (Unix) mod_ssl/2.2.21 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4 mod_fcgid/2.3.6
   15 ObjHeader    c X-Powered-By: PHP/5.3.9
   15 ObjHeader    c Expires: Thu,19 Nov 1981 08:52:00 GMT
   15 ObjHeader    c Cache-Control: no-store,no-cache,must-revalidate,post-check=0,pre-check=0
   15 ObjHeader    c Pragma: no-cache
   15 ObjHeader    c Content-Type: text/html; charset=utf-8
   15 ObjHeader    c X-Cacheable: NO:Cache-Control=private
   15 FetchError   c chunked read_error: 12 (Could not get storage)
   15 VCL_call     c error deliver
   15 VCL_call     c deliver deliver

据我所知,我们可以尝试增加nuke_limit,但目前我们的nuke_limit为500,当运行varnishstat -1 -f n_lru_nuked时,我们“只”得到总共1031,即使我们已经看到错误发生在几页上.

当我们运行top以查看Varnish使用了多少内存时,它只显示它正在使用763m,尽管我们已将其设置为允许使用1200m.

问题是什么的任何想法？