This stuff is logged under the 'civetweb' subsystem, so can be turned
off with 'debug_civetweb = 0'. You can configure 'debug_rgw' separately.
On 11/28/18 1:03 AM, zyn赵亚楠 wrote:
Hi there,
I have a question about rgw/civetweb log settings.
Currently, rgw/civetweb prints 3 lines of logs with loglevel 1 (high
priority) for each HTTP request, like following:
$ tail /var/log/ceph/ceph-client.rgw.node-1.log
2018-11-28 11:52:45.339229 7fbf2d693700 1 ====== starting new request
req=0x7fbf2d68d190 =====
2018-11-28 11:52:45.341961 7fbf2d693700 1 ====== req done
req=0x7fbf2d68d190 op status=0 http_status=200 ======
2018-11-28 11:52:45.341993 7fbf2d693700 1 civetweb: 0x558f04330000:
127.0.0.1 - - [28/Nov/2018:11:48:10 +0800] "HEAD
/swift/v1/images.xxx.com/8801234/BFAB307D-F5FE-4BC6-9449-E854944A460F_160_180.jpg
HTTP/1.1" 1 0 - goswift/1.0
The above 3 lines occupies roughly 0.5KB space on average, varying a
little with the lengths of bucket names and object names.
Now the problem is, when requests are intensive, it will consume a
huge mount of space. For example, 4 million requests (on a single RGW
node) will result to 2GB, which takes only ~6 hours to happen in our
cluster node in busy period (a large part may be HEAD requests).
When trouble shooting, I usually need to turn the loglevel to 5, 10 or
even bigger to check the detailed logs, but most of the log space is
occupied by the above access logs (level 1), which doesn’t provide
much information.
My question is, is there a way to configure Ceph skip those logs? E.g.
only print logs with verbosity in a specified range (NOT support,
according to my investigation).
Or, are there any suggested ways for turning on more logs for debugging?
Best Regards
Arthur Chiao
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