Vaikunth,

1. I'd be good if you'd use the fixes we just pushed to the tip
   of the master in the last 2-3 days, so rebase your branch and
   rebuild things and try it.

2. If "1" does not help, run
mysql --host=127.0.0.1 --port=13306 -u root -p -A

and then:

show status like 'Threads_connected';

and

show variables like 'max_connections';

If Threads_connected approaches max_connections, that is your problem.

3. If 2 does not help, try running your failing query by hand,
   using the same credentials as what Qserv is using when it runs
   the failing query.

Jacek

On 05/07/2015 11:10 AM, Vaikunth Thukral wrote:

Hi all,

So I've been able to resolve the remaining issues with the data loader
(thanks AndyS for your help) for integration tests in multi-node and
cases 1, 2, 3 and 5 are now working. For case 4 however the last query
fails (query 0030_largeResult.sql). The czar log gives the following
(full logs available on dbdev1 at
/usr/local/home/vaikunth/qserv-run/var/log/):

0507 12:45:37.872 [0x7f7cf2137700] INFO  root
(build/rproc/InfileMerger.cc:351) - InfileMerger 0x7f7cdc0105b0
connected to db.
0507 12:45:37.872 [0x7f7cf2137700] ERROR root
(build/rproc/InfileMerger.cc:359) - InfileMerger sql error: Error
applying sql. Error 1146: Tabl\
e 'qservResult.result_11900632096_m' doesn't exist Unable to execute
query: CREATE TABLE qservResult.result_11900632096 SELECT deepForcedSourc\
eId,scienceCcdExposureId,filterId,deepSourceId,timeMid,expTime,ra,decl,raVar,declVar,radeclCov,htmId20,x,y,xVar,yVar,xyCov,psfFlux,psfFluxSigm\
a,apFlux,apFluxSigma,modelFlux,modelFluxSigma,instFlux,instFluxSigma,apCorrection,apCorrectionSigma,shapeIx,shapeIy,shapeIxVar,shapeIyVar,shap\
eIxIyCov,shapeIxx,shapeIyy,shapeIxy,shapeIxxVar,shapeIyyVar,shapeIxyVar,shapeIxxIyyCov,shapeIxxIxyCov,shapeIyyIxyCov,extendedness,flagNegative\
,flagBadMeasCentroid,flagPixEdge,flagPixInterpAny,flagPixInterpCen,flagPixSaturAny,flagPixSaturCen,flagBadPsfFlux,flagBadApFlux,flagBadModelFl\
ux,flagBadInstFlux,flagBadCentroid,flagBadShape,raDeepSource,declDeepSource
FROM qservResult.result_11900632096_m ORDER BY deepForcedSourceId

0507 12:45:37.872 [0x7f7cf2137700] INFO  root
(build/rproc/InfileMerger.cc:313) - Cleaning up
qservResult.result_11900632096_m
0507 12:45:37.872 [0x7f7cf2137700] INFO  root
(build/rproc/InfileMerger.cc:325) - Merged
qservResult.result_11900632096_m into qservResult.res\
ult_11900632096
0507 12:45:37.872 [0x7f7cf2137700] ERROR root
(build/ccontrol/UserQuery.cc:206) - Joined everything (failure!)
0507 12:45:37.874 [0x7f7cf2137700] INFO  root (app.py:408) - Query exec
(5) took 1.873482 seconds
0507 12:45:37.874 [0x7f7cf2137700] ERROR root
(build/qdisp/Executive.cc:360) - Ref=1
Resource(/chk/qservTest_case04_qserv/6970): 20150507-12:4\
5:37, Error in result data., 1,
Ref=2 Resource(/chk/qservTest_case04_qserv/7138): 20150507-12:45:37,
Error in result data., 1,
Ref=3 Resource(/chk/qservTest_case04_qserv/7140): 20150507-12:45:37,
Error in result data., 1,
Ref=4 Resource(/chk/qservTest_case04_qserv/7308): 20150507-12:45:37,
Error in result data., 1,
Ref=5 Resource(/chk/qservTest_case04_qserv/7310): 20150507-12:45:37,
Error in result data., 1,
0507 12:45:37.875 [0x7f7cf2137700] DEBUG root (app.py:343) - reporting
-1 -1 Ref=1 Resource(/chk/qservTest_case04_qserv/6970): 20150507-12:45:\
37, Error in result data., 1,
Ref=2 Resource(/chk/qservTest_case04_qserv/7138): 20150507-12:45:37,
Error in result data., 1,
Ref=3 Resource(/chk/qservTest_case04_qserv/7140): 20150507-12:45:37,
Error in result data., 1,
Ref=4 Resource(/chk/qservTest_case04_qserv/7308): 20150507-12:45:37,
Error in result data., 1,
Ref=5 Resource(/chk/qservTest_case04_qserv/7310): 20150507-12:45:37,
Error in result data., 1,
0507 12:45:37.875 [0x7f7cf2137700] ERROR root
(build/qdisp/MessageStore.cc:47) - Msg: -1 -1 Ref=1
Resource(/chk/qservTest_case04_qserv/6970): \
20150507-12:45:37, Error in result data., 1,
Ref=2 Resource(/chk/qservTest_case04_qserv/7138): 20150507-12:45:37,
Error in result data., 1,
Ref=3 Resource(/chk/qservTest_case04_qserv/7140): 20150507-12:45:37,
Error in result data., 1,
Ref=4 Resource(/chk/qservTest_case04_qserv/7308): 20150507-12:45:37,
Error in result data., 1,
Ref=5 Resource(/chk/qservTest_case04_qserv/7310): 20150507-12:45:37,
Error in result data., 1,
0507 12:45:37.876 [0x7f7cf2137700] INFO  root (app.py:413) - Final state
of all queries error
/usr/local/home/vaikunth/src/qserv/lib/python/lsst/qserv/czar/db.py:100:
Warning: Data truncated for column 'message' at row 1
   c.execute(sql, params)
0507 12:45:37.878 [0x7f7cf1736700] INFO  root
(build/ccontrol/UserQuery.cc:236) - Discarded UserQuery(5)

I am not sure if this is related to what Fabrice is seeing at in2p3, but
when I run a simpler version of the 0030_ query myself I get (with error
log also in the same location as mentioned above):

[vaikunth@lsst-dbdev1 qserv_testdata]$ mysql
--host=lsst-dbdev1.ncsa.illinois.edu

<http://lsst-dbdev1.ncsa.illinois.edu> --port=4040 --user=qsmaster
--batch qservTest_case04_qserv -e "SELECT * FROM DeepForcedSource ORDER
BY deepForcedSourceId"
ERROR 4120 (Proxy) at line 1: Error during execution:
-1 Ref=1 Resource(/chk/qservTest_case04_qserv/6970): 20150507-13:07:32,
Error in result data., 1,
Ref=2 Resource(/chk/qservTest_case04_qserv/7138): 20150507-13:07:32,
Error in result data., 1,
Ref=3 Resource(/chk/qservTest_case04_qserv/7140): 20150507-13:0 (-1)

-Vaikunth

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