MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/02 through 03/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 29,500 412,833
2-4 a.m. 20,381 223,863
4-6 a.m. 21,800 215,525
6-8 a.m. 39,314 475,460
8-10 a.m. 63,468 1,230,214
10-12 a.m. 94,637 2,228,945
12-2 p.m. 98,772 2,639,793
2-4 p.m. 98,066 2,799,162
4-6 p.m. 76,103 2,149,014
6-8 p.m. 45,486 1,112,463
8-10 p.m. 34,585 880,076
10-12 p.m. 35,215 708,268
__________ _____________ _________________
Total: 657,327 15,075,616
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,428
Davis 439
Irvine 409
Los Angeles 367
Riverside 20
San Diego 336
San Francisco 123
Santa Barbara 307
Santa Cruz 163
Lawrence Berkeley 43
Lawrence Livermore 412
Los Alamos 0
MELWEB 408,031
Searchlight 15,069
Other - UC 2,741
Other-Network UC 227,439
_____
657,327
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,690
Davis 3,855
Irvine 5,866
Los Angeles 6,926
Riverside 38
San Diego 2,929
San Francisco 362
Santa Barbara 6,643
Santa Cruz 3,058
Lawrence Berkeley 824
Lawrence Livermore 2,858
Los Alamos 0
MELWEB 12,888,613
Searchlight 5,204
Other - UC 37,074
Other-Network UC 2,098,676
_____
15,075,616
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 6.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 3.1
2.0 CATALOG Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 0.0
Average session length (minutes:seconds) 0.0
Longest session recorded (minutes:seconds) 385:09
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 83.9
Retrievals per search - standard deviation 1024.3
Percent of searches completed with 0 results 39.6%
Percent of searches entered that are long 1.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 657,327 18.2%
PRESENT 2,638,749 73.2%
INIT or CLOSE 300,373 8.3%
OTHER 6,149 0.2%
SEARCHes completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By index:
PERSONAL AUTHOR 153786 16.7% 49,321 32.1% 6 67.9 412.0
CORPORATE AUTHOR 4,965 0.5% 2,286 46.0% 8 319.2 2818.1
EXACT CORP. AUT. 1,152 0.1% 248 21.5% 19 750.9 4491.2
TITLE WORD 253601 27.5% 93,253 36.8% 3 59.7 599.1
EXACT TITLE 67,258 7.3% 31,724 47.2% 2 31.2 240.9
SUBJECT 128885 14.0% 64,281 49.9% 27 452.8 2421.4
EXACT SUBJECT 15,328 1.7% 3,336 21.8% 15 255.1 1387.4
UNIFORM TITLE 443 0.0% 89 20.1% 2 302.1 1936.9
SERIES 3,973 0.4% 1,124 28.3% 12 153.4 1402.7
DATE 10,722 1.2% 3,450 32.2% 10 156.0 2532.0
ADDED SINCE 4,813 0.5% 4,607 95.7% 2 111.3 947.9
LANGUAGE 34,990 3.8% 14,104 40.3% 34 480.6 2630.3
LCCN 5,515 0.6% 1,525 27.6% 1 1.4 3.2
ISBN 68,282 7.4% 34,738 50.9% 1 1.6 47.0
ISSN 1,908 0.2% 1,744 91.4% 3 97.2 457.5
DLA ID 794 0.1% 2 0.3% 1 1.0 0.0
MUSIC PUBLISHER 284 0.0% 161 56.7% 3 54.3 280.1
GOV'T DOC NUM 183 0.0% 53 29.0% 1 1.6 1.6
REPORT NUM 62 0.0% 34 54.8% 1 64.7 305.9
STOCK NUM 24 0.0% 3 12.5% 1 287.2 544.7
GPO ITEM NUM 46 0.0% 25 54.3% 25 65.9 142.3
FORM 14,485 1.6% 4,702 32.5% 10 238.8 3434.8
MUSIC KEY 10 0.0% 3 30.0% 46 176.4 208.4
GEO CLASS 11 0.0% 4 36.4% 7 9.7 7.9
THEMATIC NUMBER 93 0.0% 76 81.7% 80 1070.8 2676.5
SCALE 25 0.0% 4 16.0% 7 53.3 194.6
AT 108110 11.7% 45,036 41.7% 10 172.9 998.8
Other indexes 42,581 4.6% 14,913 35.0% 6 184.4 1462.7
RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By number of indexes:
Multiple 203,900 31.0% 83,991 41.2% 5 166.0 1414.7
Single 453,427 69.0% 176214 38.9% 5 127.0 1269.2
PRESENT commands, by type:
MARC 36.1%
OPAC 49.4%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)