MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/01 through 08/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 49,140 329,394
2-4 a.m. 30,836 247,954
4-6 a.m. 31,889 262,584
6-8 a.m. 42,509 411,836
8-10 a.m. 59,121 872,407
10-12 a.m. 81,893 1,529,167
12-2 p.m. 80,520 1,588,649
2-4 p.m. 74,762 1,635,320
4-6 p.m. 50,663 1,220,530
6-8 p.m. 28,637 473,452
8-10 p.m. 20,623 309,327
10-12 p.m. 23,443 314,432
__________ _____________ _________________
Total: 574,036 9,195,052
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 614
Davis 586
Irvine 551
Los Angeles 939
Riverside 31
San Diego 87
San Francisco 94
Santa Barbara 680
Santa Cruz 63
Lawrence Berkeley 82
Lawrence Livermore 13
Los Alamos 0
MELWEB 114
Searchlight 3
Other - UC 281,789
Other-Network UC 288,390
_____
574,036
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 7,805
Davis 8,861
Irvine 3,480
Los Angeles 7,578
Riverside 2,237
San Diego 2,392
San Francisco 516
Santa Barbara 5,838
Santa Cruz 350
Lawrence Berkeley 936
Lawrence Livermore 12
Los Alamos 0
MELWEB 1,560
Searchlight 0
Other - UC 7,031,779
Other-Network UC 2,121,708
_____
9,195,052
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 5.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 1.2
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) 463:07
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 75.0
Retrievals per search - standard deviation 1036.0
Percent of searches completed with 0 results 47.7%
Percent of searches entered that are long 1.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 574,036 22.5%
PRESENT 1,660,461 65.0%
INIT or CLOSE 316,876 12.4%
OTHER 3,475 0.1%
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 123704 13.3% 39,241 31.7% 5 62.2 348.6
CORPORATE AUTHOR 4,360 0.5% 1,825 41.9% 6 373.1 3822.7
EXACT CORP. AUT. 727 0.1% 136 18.7% 16 544.9 2859.9
TITLE WORD 293002 31.5% 155975 53.2% 3 99.0 809.5
EXACT TITLE 54,988 5.9% 26,515 48.2% 2 28.0 199.8
SUBJECT 158183 17.0% 114223 72.2% 24 491.3 2482.0
EXACT SUBJECT 7,961 0.9% 1,800 22.6% 16 218.9 790.8
UNIFORM TITLE 312 0.0% 67 21.5% 3 394.7 2338.3
SERIES 2,886 0.3% 746 25.8% 10 109.3 348.1
DATE 8,521 0.9% 2,818 33.1% 9 162.5 3912.7
ADDED SINCE 2,954 0.3% 2,705 91.6% 2 61.3 402.3
LANGUAGE 17,669 1.9% 6,971 39.5% 29 475.2 3487.2
LCCN 4,361 0.5% 854 19.6% 1 1.3 1.9
ISBN 54,282 5.8% 31,503 58.0% 1 1.8 26.5
ISSN 1,310 0.1% 1,179 90.0% 8 20.1 56.4
DLA ID 753 0.1% 3 0.4% 1 1.0 0.0
MUSIC PUBLISHER 262 0.0% 141 53.8% 2 48.0 195.1
GOV'T DOC NUM 103 0.0% 44 42.7% 1 5.5 31.6
REPORT NUM 58 0.0% 36 62.1% 2 4.5 12.2
STOCK NUM 11 0.0% 1 9.1% 1 358.8 639.1
GPO ITEM NUM 16 0.0% 10 62.5% 194 240.8 223.5
FORM 11,135 1.2% 3,568 32.0% 8 224.6 2737.3
MUSIC KEY 5 0.0% 3 60.0% 1,178 1178.0 1663.1
GEO CLASS 8 0.0% 3 37.5% 2 278.0 432.5
THEMATIC NUMBER 57 0.0% 51 89.5% 3 125.3 259.7
SCALE 14 0.0% 3 21.4% 21 27.1 15.1
AT 53,168 5.7% 19,963 37.5% 7 155.4 956.2
Other indexes 128381 13.8% 94,279 73.4% 9 369.5 2020.7
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 225,869 39.3% 133766 59.2% 4 180.0 1369.5
Single 348,167 60.7% 140119 40.2% 4 127.2 1454.7
PRESENT commands, by type:
MARC 43.3%
OPAC 39.7%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)