MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/00 through 11/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 5,844 88,888
2-4 a.m. 3,071 39,586
4-6 a.m. 2,978 24,087
6-8 a.m. 5,003 62,846
8-10 a.m. 14,363 320,647
10-12 a.m. 27,253 563,875
12-2 p.m. 32,598 673,814
2-4 p.m. 36,618 791,606
4-6 p.m. 28,814 581,481
6-8 p.m. 17,261 324,784
8-10 p.m. 12,713 244,823
10-12 p.m. 9,310 172,729
__________ _____________ _________________
Total: 195,826 3,889,166
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 0
Irvine 689
Los Angeles 1
Riverside 0
San Diego 17
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 146,390
Searchlight 14,461
Other - UC 3,356
Other-Network UC 30,908
_____
195,826
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 4
Davis 0
Irvine 2,260
Los Angeles 0
Riverside 0
San Diego 1,080
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,802,770
Searchlight 0
Other - UC 30,560
Other-Network UC 52,492
_____
3,889,166
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.2
Standard deviation in seconds 1.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:14
Average session length (minutes:seconds) 16:20
Longest session recorded (minutes:seconds) 344:11
Average number of searches completed per session 65275
Retrievals per search - median 1.0
Retrievals per search - average 74.4
Retrievals per search - standard deviation 1030.8
Percent of searches completed with 0 results 39.2%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 195,826 18.6%
PRESENT 743,950 70.7%
INIT or CLOSE 111,699 10.6%
OTHER 280 0.0%
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:
PERIODICAL TITLE87,885 38.0% 32,371 36.8% 5 171.4 1632.8
EXACT PE TITLE 41,689 18.0% 10,058 24.1% 2 49.2 1103.0
RELATED PE TITLE 0 0.0% 0 0.0% 0 0.0 0.0
EXACT RELATED PE 0 0.0% 0 0.0% 0 0.0 0.0
PERSONAL AUTHOR 5,308 2.3% 4,828 91.0% 3 22.4 118.9
CORP AUTHOR 7,204 3.1% 5,910 82.0% 6 83.2 337.3
EXACT CORP AUTH 516 0.2% 157 30.4% 6 118.5 269.5
SUBJECT 25,389 11.0% 15,948 62.8% 12 304.7 1318.9
EXACT SUBJECT 2,197 1.0% 759 34.5% 8 263.9 1245.2
SERIES 205 0.1% 178 86.8% 2 728.6 3344.4
EXACT SERIES 52 0.0% 19 36.5% 11 62.5 124.8
CODEN 89 0.0% 27 30.3% 1 1.1 0.5
ISBN 9,640 4.2% 9,640 100% 0 0.0 0.0
LCCN 497 0.2% 443 89.1% 1 1.2 0.6
ISSN 21,237 9.2% 1,663 7.8% 1 1.6 1.1
INDEXED BY 24 0.0% 23 95.8% 228 228.0 0.0
DLA ID 2 0.0% 1 50.0% 1 1.0 0.0
LOCAL NUM 225 0.1% 216 96.0% 16 24.0 22.4
GOV'T DOC NUM 31 0.0% 30 96.8% 50 50.0 0.0
REPORT NUM 10 0.0% 10 100% 0 0.0 0.0
STOCK NUM 13 0.0% 11 84.6% 1 1.0 0.0
GPO ITEM NUM 10 0.0% 9 90.0% 3 3.0 0.0
AT 28,177 12.2% 8,343 29.6% 3 44.5 338.1
RPE 458 0.2% 329 71.8% 5 347.9 1693.9
RXPE 145 0.1% 97 66.9% 3 48.1 145.6
Other indexes 142 0.1% 91 64.1% 32 2087.4 6017.5
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 34,295 17.5% 13,516 39.4% 3 47.7 429.0
Single 161,531 82.5% 63,283 39.2% 3 138.3 1438.8
PRESENT commands, by type:
MARC 28.4%
OPAC 19.5%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)