MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/00 through 03/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 29,923 364,117
2-4 a.m. 16,682 202,078
4-6 a.m. 16,440 197,504
6-8 a.m. 26,629 417,738
8-10 a.m. 53,514 1,127,378
10-12 a.m. 90,010 2,229,025
12-2 p.m. 99,820 2,676,579
2-4 p.m. 107,314 2,994,057
4-6 p.m. 82,451 2,333,610
6-8 p.m. 52,150 1,319,086
8-10 p.m. 42,950 1,055,045
10-12 p.m. 38,745 778,603
__________ _____________ _________________
Total: 656,628 15,694,820
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 887
Davis 368
Irvine 1,182
Los Angeles 667
Riverside 21
San Diego 187
San Francisco 83
Santa Barbara 126
Santa Cruz 185
Lawrence Berkeley 48
Lawrence Livermore 15
Los Alamos 0
MELWEB 464,706
Searchlight 14,664
Other - UC 3,728
Other-Network UC 169,761
_____
656,628
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 9,947
Davis 3,962
Irvine 7,502
Los Angeles 6,451
Riverside 84
San Diego 1,171
San Francisco 1,080
Santa Barbara 1,795
Santa Cruz 2,206
Lawrence Berkeley 6,551
Lawrence Livermore 94
Los Alamos 0
MELWEB 13,868,520
Searchlight 9,044
Other - UC 59,343
Other-Network UC 1,717,070
_____
15,694,820
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 8.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.8
Standard deviation in seconds 2.0
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:24
Average session length (minutes:seconds) 15:48
Longest session recorded (minutes:seconds) 303:04
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 94.5
Retrievals per search - standard deviation 1168.5
Percent of searches completed with 0 results 41.0%
Percent of searches entered that are long 1.8%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 656,628 18.1%
PRESENT 2,717,638 74.8%
INIT or CLOSE 257,099 7.1%
OTHER 3,458 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 163980 16.9% 50,518 30.8% 6 69.3 402.5
CORPORATE AUTHOR 6,263 0.6% 2,773 44.3% 9 447.7 4184.2
EXACT CORP. AUT. 1,551 0.2% 366 23.6% 17 705.2 4902.6
TITLE WORD 228404 23.6% 81,395 35.6% 4 57.0 416.2
EXACT TITLE 63,806 6.6% 30,310 47.5% 2 32.2 294.1
SUBJECT 166507 17.2% 82,389 49.5% 27 404.8 2555.2
EXACT SUBJECT 19,707 2.0% 4,610 23.4% 13 196.4 956.5
UNIFORM TITLE 553 0.1% 109 19.7% 2 299.6 2287.0
SERIES 3,913 0.4% 1,090 27.9% 11 138.9 510.8
DATE 10,863 1.1% 3,424 31.5% 15 173.9 2452.7
ADDED SINCE 4,215 0.4% 3,964 94.0% 2 59.7 592.0
LANGUAGE 51,822 5.3% 21,744 42.0% 31 394.8 2548.3
LCCN 3,068 0.3% 1,178 38.4% 1 1.2 1.2
ISBN 54,583 5.6% 41,965 76.9% 1 1.3 12.9
ISSN 681 0.1% 609 89.4% 2 40.5 93.8
DLA ID 13 0.0% 12 92.3% 1 1.0 0.0
MUSIC PUBLISHER 155 0.0% 91 58.7% 7 156.5 559.6
GOV'T DOC NUM 221 0.0% 93 42.1% 1 1.4 0.8
REPORT NUM 70 0.0% 47 67.1% 1 70.3 328.7
STOCK NUM 30 0.0% 0 0.0% 1 153.2 328.8
GPO ITEM NUM 38 0.0% 29 76.3% 90 84.1 93.7
FORM 19,781 2.0% 7,034 35.6% 9 196.7 2048.3
MUSIC KEY 17 0.0% 6 35.3% 8 383.0 1218.6
GEO CLASS 2 0.0% 2 100% 0 0.0 0.0
THEMATIC NUMBER 180 0.0% 155 86.1% 3 46.6 149.3
SCALE 11 0.0% 5 45.5% 35 1075.0 2475.9
AT 139027 14.4% 55,473 39.9% 10 158.7 990.8
Other indexes 29,269 3.0% 9,374 32.0% 6 258.2 1741.7
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 228,367 34.8% 92,914 40.7% 6 159.3 1218.2
Single 428,261 65.2% 176549 41.2% 7 160.9 1657.5
PRESENT commands, by type:
MARC 39.3%
OPAC 43.7%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)