MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/99 through 06/30/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 19,814 219,166
2-4 a.m. 13,743 117,640
4-6 a.m. 11,524 100,050
6-8 a.m. 18,304 224,209
8-10 a.m. 34,135 607,173
10-12 a.m. 52,334 1,047,460
12-2 p.m. 53,633 1,155,694
2-4 p.m. 55,291 1,266,359
4-6 p.m. 40,467 956,429
6-8 p.m. 26,449 500,171
8-10 p.m. 22,092 426,244
10-12 p.m. 19,032 279,706
__________ _____________ _________________
Total: 366,818 6,900,301
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,014
Davis 349
Irvine 1,529
Los Angeles 361
Riverside 13
San Diego 219
San Francisco 290
Santa Barbara 54
Santa Cruz 231
Lawrence Berkeley 50
Lawrence Livermore 6
Los Alamos 6
MELWEB 237,433
Other - UC 12,472
Other-Network UC 112,791
_____
366,818
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10,700
Davis 3,982
Irvine 3,997
Los Angeles 5,065
Riverside 152
San Diego 1,279
San Francisco 2,713
Santa Barbara 289
Santa Cruz 1,689
Lawrence Berkeley 609
Lawrence Livermore 76
Los Alamos 32
MELWEB 5,691,901
Other - UC 486,705
Other-Network UC 691,112
_____
6,900,301
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.6
Standard deviation in seconds 9.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 1.9
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 21:00
Average session length (minutes:seconds) 17:50
Longest session recorded (minutes:seconds) 322:35
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 94.9
Retrievals per search - standard deviation 1050.9
Percent of searches completed with 0 results 40.2%
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 366,813 19.9%
PRESENT 1,348,655 73.2%
INIT or CLOSE 124,091 6.7%
OTHER 1,788 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 96,847 18.6% 32,432 33.5% 6 78.9 467.8
CORPORATE AUTHOR 3,925 0.8% 1,892 48.2% 12 508.1 3715.2
EXACT CORP. AUT. 655 0.1% 195 29.8% 16 543.9 3915.3
TITLE WORD 133898 25.7% 51,891 38.8% 4 59.7 499.3
EXACT TITLE 45,009 8.6% 21,792 48.4% 2 32.8 243.0
SUBJECT 76,916 14.8% 38,832 50.5% 31 471.4 2627.3
EXACT SUBJECT 10,997 2.1% 3,031 27.6% 20 334.5 1452.4
UNIFORM TITLE 425 0.1% 112 26.4% 2 412.7 2298.7
SERIES 2,166 0.4% 601 27.7% 14 153.1 475.8
DATE 6,704 1.3% 2,087 31.1% 12 123.9 1238.4
ADDED SINCE 666 0.1% 556 83.5% 2 149.5 721.5
LANGUAGE 23,211 4.5% 9,945 42.8% 36 452.6 2157.0
LCCN 2,273 0.4% 892 39.2% 1 1.4 5.0
ISBN 27,039 5.2% 14,077 52.1% 1 1.2 10.2
ISSN 327 0.1% 297 90.8% 8 72.1 167.2
DLA ID 7 0.0% 4 57.1% 1 1.0 0.0
MUSIC PUBLISHER 60 0.0% 41 68.3% 10 81.0 131.2
GOV'T DOC NUM 146 0.0% 79 54.1% 1 14.7 90.8
REPORT NUM 36 0.0% 28 77.8% 1 1.0 0.0
STOCK NUM 11 0.0% 0 0.0% 1 268.2 466.8
GPO ITEM NUM 26 0.0% 18 69.2% 12 206.8 376.0
FORM 9,786 1.9% 3,547 36.2% 9 228.5 2495.1
MUSIC KEY 3 0.0% 1 33.3% 1,731 1730.5 2441.6
GEO CLASS 1 0.0% 1 100% 0 0.0 0.0
THEMATIC NUMBER 153 0.0% 117 76.5% 11 549.5 2502.5
SCALE 8 0.0% 7 87.5% 6 6.0 0.0
AT 61,566 11.8% 25,612 41.6% 11 200.0 925.8
Other indexes 18,122 3.5% 6,312 34.8% 6 201.9 1631.3
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 118,414 32.3% 50,509 42.7% 5 179.4 1231.6
Single 248,399 67.7% 96,976 39.0% 6 149.5 1407.3
PRESENT commands, by type:
MARC 41.9%
OPAC 38.5%