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分布式数据库的数据访问方法及其系统_CN-110019300-A_刘志文_中兴通讯.pdf
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(19)
i i i -- (10)
(43) 际公
际公
2017 10 19 (19.10.2017) P O P C T
W O 2017/177941 A 1
(51) 国转 利分类
(74)
G06F 17/30 (2006
(KANGXIN PARTNERS,P.C);
4 8 A 16 Beijing 100098
(21) 国际
PCT/CN20 17/0804 18
(CN)
(22) 国际
2017 4 13 13.04.2017)
(81)
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AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG,
BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR,
(26) 公布
CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI,
(30)
GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR,
2016 10230656. 1 2016 4 13 (13.04.2016) CN
IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK,
LR, LS, LU, LY, MA, MD, ME, MG, MK, MW, MX,
(71) 份有 (ZTE CORPORA
MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH,
TION) [CN/CN]; 广
PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK,
Guangdong
SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA,
5 18057 (CN )
UG, US, UZ, VC, VN, ZA, ZM, Z W
(72) : (ZHANG, Lingdong); 广
(84)
ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA,
Guangdong 5 18057 (CN) 随建 (SUI, Jian);
RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), AM, AZ,
广
BY, KG, KZ, RU, TJ, TM), (AL, AT, BE, BG, CH,
Guangdong 5 18057 (CN)
CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE,
IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO,
(HUANG, Xinjuan); 广
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[ ]
(54) Title:
(54)
(57) Abstract: A n active/ standby database switching method
~ s i o
and apparatus. The method comprises: performing an opera
tion of connecting a local database service (S10); receiving a
current position, sent by a peer end database, of the peer end
database (S20); if the number of times the operation of con
necting a database service fails exceeds a pre-set number of
times, determining that a local database i s abnormal, and per
forming an alarm operation or performing an active/backup
switching operation between the local database and the peer
end database; alternatively, if the number of times receiving
the current position, sent by the peer end database, of the peer
-S30
end database fails exceeds a pre-set number of times, per
forming an alarm operation or performing an active/backup
switching operation between the local database and the peer
end database (S30). The problems of poor data accuracy,
complicated operations and low stability when switching act
ive/standby databases are solved. The present invention real
izes the real-time monitoring and control of the situation of an
active/standby database synchronization gap, the operation i s
simplified, and data consistency i s ensured, while erroneous
switching i s avoided.
(57) 摘要
[ ]
- ( 2 1 (3))
(S10);
(S20);
(S30)
of 45
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