Good Graph Theory
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There is a set and a target State goal. The current state is x = 0. Now there are some numbers in the set, after an exclusive or operation such as X = x | A [I], x = goal can be achieved. Q: The minimum number of elements in the set is deleted, so
Welcome to follow the pan-Thai non-profit third-party development team VegaDevTeam (this team is composed of syhost suky zhaochengw (z) xuefy (big star) tenfar (R master) loogeo crazyi (snow-free world) windxixi) wangsai008)
Brief history of
Http://inthirties.com: 90/viewthread. jsp? Tid = 1345 & frombbs = 1
A 2662 error occurs after the customer machine is powered off and Oracle is restarted,
This error is often handled because the current redo file is corrupted after a power failure
In the past, a customer experienced a situation where sysbench was used for stress testing. during the test, a problem occurred. The following is the output of the customer: [1310 s] before threads: 600, tps: 217670, reads: 108710, writes: 1089, a customer experienced a situation where he used sysbench for stress testing, A phenomenon occurs during the test, as shown below:
The output result of the customer is as follows:
[1310s] threads:
messaging tools, video conferences can achieve more intuitive and clear communication effects than voice calls. In addition, high-definition video conferences and telepresence can also show the subtle facial expressions of both sides of the communication, achieving a truly close-to-face communication effect. In this regard, video conferencing is a special Unified Communication Method.
In the current economic environment, video conferencing shows its powerful saving capabilities. More and more e
updating success/attampts only requires 1 point 1. "reset" to clear success,/attampts results
The following is my tangled coding process: first, format (t) converts the incremental number t into a: BC. d format: T: Convert t to A: BC every 0.1 s count + 1 format (t. format of D --- unit conversion in Section 1: 1325. 15 1325 // 600 = 2 ----- a1325-2 * 600 = 125 125% 60 = 5 125-5 = 120 120 // 100 = 1 --
Oracle error message:SQL> startup> ORA-10997: another startup/shutdown operation of this instance inprogress> ORA-09968: unable to lock file> Linux-x86_64 Error: 37: No locks available> Additional information: 64
Message file error message: 192.168.0.200 is the address of netapp storage)> Jun 6 18:21:19 eccdemo sm-clusters y [3707]: Unable to operate y bogon, giving up> Jun 6 18:39:18 eccdemo rpc. statd [3705]: No canonical hostname found for 192.168.0.200> Jun 6 18:39:18 eccdemo rpc. statd [37
Installing Oracle software using NFS
Yesterday, I used openfiler to create a nas storage system and install the Oracle software. Everything went well before that. A ora error was reported when I created a database. When I used nfs to install the Oracle database, the mount option had special requirements, the summary is as follows for future reference:
RAC
In the table below
Binaries is the shared mount points where the Oracle Home and CRS_HOME is installed.
Datafiles shortdes Online Logs, Contro
18:39:33 eccdemo kernel: lo
> Ckd: cannot monitor 192.168.0.200
Solution:
According to the official oracle documentation, mount parameters need to be added
Mount-t nfs-o rw, bg, hard, rsize = 32768, wsize = 32768, vers = 3, nointr, timeo = 600, tcp, actimeo = 0 192.168.0.200: /vol/oraclenfs/oracle
For details about the mount parameters, refer to the official documentation. Each version is different.
RAC
In the table below
Binaries is the shared mount
follows:RAC
In the table below
Binaries is the shared mount points where the Oracle Home and CRS_HOME is installed.
Datafiles shortdes Online Logs, Controlfile and Datafiles
Operating SystemMount options for BinariesMount options for Oracle DatafilesMount options for CRS Voting Disk and OCR
Sun Solaris *
Rw, bg, hard, nointr, rsize = 32768,Wsize = 32768, proto = tcp,Noac, vers = 3, suidRw, bg, hard, nointr, rsize = 32768,
Wsize = 32768, proto = tcp, noac,
Forcedirectio, vers = 3, suidrw, bg,
some cluster nodes, or HAIP is online on all cluster nodes, but cannot communicate through it. For example, the ping operation fails.
Solution:
1. Bug 11875294 has been fixed in 11.2.0.3. The method to bypass the problem is:Set_ Gc_read_mostly_locking = FALSE to disable read mostly.For more information, see 2. To fix HAIP problems, see Document 1383737.1
Problem 3: ORA-600 [kjbmp rlst: shadow],ORA-600 [k
display:
10:53:44. 218905: Start affinity expansion for pkey 81885.0
10:53:44. 498923: Expand failed: pkey 81885.0, 229 shadowstraversed, 153 replayed 1 retries
2. PMON (ospid: 4915562): terminating the instance due to error 481
Sat Oct 01 19:21:37 2011
System state dump requested by (instance = 2, osid = 4915562 (PMON), summary = [abnormal instance termination].
Possible causes:
1. Bug 11875294 LMS gets stuck during DRM, Instance crashed with ORA-4812. HAIP is offline on some cl
all cluster nodes, but cannot communicate through it. For example, the ping operation fails.
Solution:
1. Bug 11875294 has been fixed in 11.2.0.3. The method to bypass the problem is:Set_ Gc_read_mostly_locking = FALSE to disable read mostly.For more information, see 2. To fix HAIP problems, see Document 1383737.1
Problem 3: ORA-600 [kjbmp rlst: shadow], ORA-600 [kjbrref: pkey], ORA-
!
The following are some controls of sharpui:
650) This. width = 650; "src =" http://home.51cto.com/thumb.php? W = 600 H = 600 t = F url = http://s3.51cto.com/wyfs02/M02/4C/FB/wKioL1RImBDisUAZAAF7zjdFojg512.jpg "width =" 600 "Height =" 337 "alt =" wkiol1rimbdisuazaaf7zjdfojg512.jpg "/>
2. sharpui advantages
Sharpui is an excellent interface engine in the C
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