Hi,
We recently updated our storage servers to CentOS 7.6 and our xrootd to v4.9.1
and I am starting to see some odd behavior when checksums are being computed.
The config file is using:
xrootd.chksum max 4 adler32
Some questions:
What is the default value for ofsofs.cksrdsz?
The documentation for xrootd.chksum state that one can use the administrative
interface to list checksum jobs. Are there any examples for this?
On a dataserver that is hosting a file I tried:
export XRD_LOGLEVEL=Dump
xrdadler32 root://localhost//path/to/file
and when I look at the output the item that sticks out is this response from the
server:
[2019-06-23 16:28:04.201142 -0500][Dump ][XRootD ] [localhost:1094]
Got kXR_wait response of 30 seconds to message kXR_query (code: kXR_Qcksum, arg
length: 85): Job resources currently not available.
How do I determine what resources are currently not available?
the output of xrdfs localhost query stats a (somewhat trimmed) looks like:
<stats id="buff">
<reqs>39456910</reqs>
<mem>16047104</mem>
<buffs>394</buffs>
<adj>0</adj>
<xlreqs>0</xlreqs>
<xlmem>0</xlmem>
<xlbuffs>0</xlbuffs>
</stats>
<stats id="link">
<num>105</num>
<maxn>282</maxn>
<tot>47565</tot>
<in>6137490530255</in>
<out>17606648096180</out>
<ctime>14769030</ctime>
<tmo>354599</tmo>
<stall>0</stall>
<sfps>0</sfps>
</stats>
<stats id="poll">
<att>105</att>
<en>357683</en>
<ev>357616</ev>
<int>0</int>
</stats>
<stats id="proc">
<usr>
<s>2941</s>
<u>438904</u>
</usr>
<sys>
<s>23163</s>
<u>484269</u>
</sys>
</stats>
<stats id="xrootd">
<num>47565</num>
<ops>
<open>17892</open>
<rf>0</rf>
<rd>23894633</rd>
<pr>0</pr>
<rv>0</rv>
<rs>0</rs>
<wv>0</wv>
<ws>0</ws>
<wr>29762958</wr>
<sync>0</sync>
<getf>0</getf>
<putf>0</putf>
<misc>1999122</misc>
</ops>
<sig>
<ok>0</ok>
<bad>0</bad>
<ign>0</ign>
</sig>
<aio>
<num>0</num>
<max>62</max>
<rej>39162</rej>
</aio>
<err>876103</err>
<rdr>0</rdr>
<dly>0</dly>
<lgn>
<num>47565</num>
<af>0</af>
<au>47565</au>
<ua>0</ua>
</lgn>
</stats>
<stats id="ofs">
<role>server</role>
<opr>7</opr>
<opw>1</opw>
<opp>0</opp>
<ups>0</ups>
<han>8</han>
<rdr>0</rdr>
<bxq>0</bxq>
<rep>0</rep>
<err>0</err>
<dly>0</dly>
<sok>0</sok>
<ser>0</ser>
<tpc>
<grnt>0</grnt>
<deny>0</deny>
<err>0</err>
<exp>0</exp>
</tpc>
</stats>
<stats id="sched">
<jobs>30332198</jobs>
<inq>0</inq>
<maxinq>6</maxinq>
<threads>42</threads>
<idle>21</idle>
<tcr>923</tcr>
<tde>881</tde>
<tlimr>0</tlimr>
</stats>
<stats id="sgen">
<as>1</as>
<et>0</et>
<toe>1561325797</toe>
</stats>
Regards,
Patrick
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