Wednesday, October 31, 2007

According to the National Institute of Standards and Technology, Daylight Saving Time will end on November 4, 2007 at 2:00 a.m. local time for most of the United States and Canada.

This change is different from previous years due to a U.S. mandated daylight saving time change, which was caused by the Energy Policy Act of 2005.

The next change to regular Daylight Saving Time will be in 2038.

Friday, September 9, 2005

New Orleans, Louisiana —After Category 4 storm Hurricane Katrina slammed into New Orleans, on the night before August 29, 2005, several flood control constructions failed. Much of the city flooded through the openings. One of these was the flood wall forming one side of the 17th Street Canal, near Lake Pontchartrain. The U.S. Army Corps of Engineers (USACE) is the primary agency for engineering support during such emergencies. A USACE team was assessing the situation in New Orleans on the 29th, water flow was stopped September 2nd, and the breach was closed on September 5th.

Wednesday, February 23, 2005

On Monday, at 10.14 pm UTC, the Wikimedia server cluster experienced a total power failure, taking down Wikipedia, Wikinews, and all other Wikimedia websites.

The servers are housed in a colocation facility (colo) in Tampa, Florida, USA. They occupy two racks, with each rack receiving electricity from two independent supplies. However, both supplies have circuit-breakers in them, and both opened at the same time, leading to a total power failure. All computers immediately went down. It’s normal for fire safety regulations to prohibit uninterruptible power supplies in colos, with the colo providing its own UPS and generator instead. The circuit breakers were on the computer side of this emergency power system, so none of the computers continued to receive power to survive the breaker trip or shut down safely.

The actual reason why the circuit breakers tripped is currently unknown.

When power was restored, it was discovered that most of the MySQL databases that store the data which makes up Wikipedia et al had been corrupted. The main database and the four slaves had all damaged the data on their hard disk drives beyond the ability of the auto-correction to repair. Only one copy survived safely, on a machine that is used for report generation and maintenance tasks, which remained 31 hours backlogged while catching up after an unusually heavy update load during the previous week.

Volunteer Wikimedia engineers worked through the night rebuilding the databases from the sole good copy onto the other servers. The Wikipedia database is over 180Gb in size, making the copying process last 1.5 – 2 hours for every server it was performed upon.

Regular back-ups of the database of Wikipedia projects are maintained – the encyclopedia in its entirety was not at risk. The last database download was made on February 9; all edits since then could only have been laboriously rebuilt from logs and recovered from the damaged database requiring much more time and effort.

Limited read-only service was established late Tuesday afternoon, with editing becoming possible 24 hours after the power failure. Final repairs continue now, as well as upgrades to prevent similar issues in the future. Server-intensive features, such as categories and ‘watchlists’ that display recent changes to selected articles to registered users, remain disabled to ease the load on the recovering systems.

The process which led to the damage originated with the operating system, disk controllers, or hard drives failing to flush the data correctly.

If the power to a database server is cut mid-write, the database may be corrupted and unreadable, however the operating system, hardware, and software are designed to make this very unlikely. In a previous incident in 2004 power was also lost to a server but the database was undamaged.

To avoid such damage, each database server saves a copy of an edit to be applied to the database on a separate storage system before making the actual update to the database itself. This so-called ‘write-ahead logging’ should ensure that in the event of a system crash, the database can be rebuilt from a ‘last-good’ state by replaying the edits saved in the log.

Earlier this year popular blogging site LiveJournal suffered a similar power failure when another customer at their colocation facility pressed an Emergency Power Off button, intended for use only by firefighters. The company suffered database corruption similar to that seen at Wikimedia.

LiveJournal are now fitting UPS to their servers to ensure that they have time to shut down safely in the event of a power failure. Wikimedia was said to be investigating the possibility of fitting similar equipment at the time of this failure.

Several pundits have suggested that the use of another database, such as the proprietary database Oracle or the free PostgreSQL, would have avoided the database corruption seen at the server cluster. A post-mortem of the incident show the failure was in the operating system, or the hardware, or some combination of the two. LiveJournal, which also uses MySQL, reported similar database corruption after their power cut.

The Wikimedia foundation only allows the use of free software on its systems, and future versions of the Mediawiki software will support the PostgreSQL database.

Users are reminded that during times of system failure or excessive demand, they can still search Wikipedia using Google. The articles may be viewed using Google’s cache.

Tuesday, October 9, 2007

Miriam Stucky’ is running for the Green Party of Ontario in the Ontario provincial election, in the Peterborough riding. Wikinews’ Nick Moreau interviewed her regarding her values, her experience, and her campaign.

Stay tuned for further interviews; every candidate from every party is eligible, and will be contacted. Expect interviews from Liberals, Progressive Conservatives, New Democratic Party members, Ontario Greens, as well as members from the Family Coalition, Freedom, Communist, Libertarian, and Confederation of Regions parties, as well as independents.

Sunday, January 10, 2010

Chinese officials have said that their country’s exports surged last December to edge out Germany as the world’s biggest exporter.

The official Xinhua news agency reported today that figures from the General Administration for Customs showed that exports jumped 17.7% in December from a year earlier. Over the whole of 2009 total Chinese exports reached US$1.2 trillion, above Germany’s forecast $1.17 trillion.

Huang Guohua, a statistics official with the customs administration, said the December exports rebound was an important turning point for China’s export sector. He commented that the jump was an indication that exporters have emerged from their downslide.

“We can say that China’s export enterprises have completely emerged from their all-time low in exports,” he said.

However, although China overtook Germany in exports, China’s total foreign trade — both exports and imports — fell 13.9% last year.

Sunday, May 18, 2008

An HIV-positive man was sentenced to 35 years in prison Wednesday, one day after being convicted of harassment of a public servant for spitting into the eye and open mouth of a Dallas, Texas police officer in May 2006. The United States Centers for Disease Control and Prevention says that no one has ever contracted HIV from saliva, and a gay-rights and AIDS advocacy group called the sentence excessive.

A Dallas County jury concluded that Willie Campbell’s act of spitting on policeman Dan Waller in 2006 constituted the use of his saliva as a deadly weapon. The incident occurred while Campbell, 42, was resisting arrest while being taken into custody for public intoxication.

“He turns and spits. He hits me in the eye and mouth. Then he told me he has AIDS. I immediately began looking for something to flush my eyes with,” said Waller to The Dallas Morning News.

Officer Waller responded after a bystander reported seeing an unconscious male lying outside a building. Dallas County prosecutors stated that Campbell attempted to fight paramedics and kicked the police officer who arrested him for public intoxication.

Prosecutors said that Campbell yelled that he was innocent during the trial, and claimed a police officer was lying. Campbell’s lawyer Russell Heinrichs said that because he had a history of convictions including similarly attacking two other police officers, biting inmates, and other offenses, he was indicted under a habitual offender statute. The statute increased his minimum sentence to 25 years in prison. Because the jury ruled that Campbell’s saliva was used as a deadly weapon, he will not be eligible for parole until completing at least half his sentence.

The organization Lambda Legal (Lambda Legal Defense and Education Fund), which advocates for individuals living with HIV, says that saliva should not be considered a deadly weapon. Bebe Anderson, the HIV projects director at Lambda Legal, spoke with The Dallas Morning News about the sentence. “It’s been 25 years since the virus was identified, but there are still lots of fears,” said Anderson.

The Dallas County prosecutor who handled the trial, Jenni Morse, said that the deadly weapon finding was justified. “No matter how minuscule, there is some risk. That means there is the possibility of causing serious bodily injury or death,” said Morse. Dallas County District Attorney Craig Watkins stated: “If you look at the facts of this case, it was clear that the defendant intended to cause serious bodily injury.”

A page at the CDC’s website, HIV and Its Transmission, states: “HIV has been found in saliva and tears in very low quantities from some AIDS patients.” The subsection “Saliva, Tears, and Sweat” concludes that: “Contact with saliva, tears, or sweat has never been shown to result in transmission of HIV.” On Friday the Dallas County Health Department released a statement explaining that HIV is most commonly spread through sexual contact, sharing needles, or transfusion from an infected blood product.

Friday, April 3, 2009

General Motors (GM) and Chrysler will receive bridge loans from the government of Canada and the provincial government of Ontario, however no more will be forthcoming from either Canadian or US governments unless the companies can reinvent themselves.

“This is a regrettable but necessary step to protect the Canadian economy. We are doing this on the assumption that we obviously cannot afford either in the United States or Canada a catastrophic short-term collapse.” said Stephen Harper, Prime Minister of Canada.

“We cannot, we must not, and we will not let our auto industry simply vanish. This industry is, like no other, an emblem of the American spirit; a once and future symbol of America’s success,” said Barack Obama, President of the United States. “These companies – and this industry – must ultimately stand on their own, not as wards of the state.”File:Sinsheim quer.jpg

Chrysler will receive CA$1 billion and may in fact be eligible for as much as CA$4 billion. If Chrysler succeeds in the next 30 days with a restructuring plan it would be eligible for a US$6 billion loan. A part of Chrysler’s restructuring plan must include a partnership with Fiat within 30 days to appease the US administration. Fiat is a supplier of smaller fuel-efficient vehicles, and the merger will help Chrysler to be viable in the North American market. A Chrysler court bankruptcy would inevitably lead to it being sold off.

As a part of Chrysler’s restructuring plans, Tom LaSorda, the president of Chrysler announced that Canadian operations would fold if it does not receive both the US commitment of $2.3 billion of aid and a new Canadian Auto Workers CAW contract to reduce all-in costs by CA$19 per hour. As a result of this announcement Chrysler’s auto sales volume in Canada dropped 23% compared to March of 2008.

GM has until the end of May to restructure its company to receive up to CA$7.5 billion. As part of the companies restructuring, General Motor’s chief executive Rick Wagoner was replaced Sunday with Fritz Henderson, the current chief operating officer. Henderson spoke out on Tuesday that GM has submitted a restructuring plan which would close five plants, and this may be increased to meet the requirements for financial aid. He is in full compliance with Obama’s auto task force to seek bankruptcy if GM cannot negotiate with their unions, bondholders and others.

GM recently brought forward the “GM Total Confidence” program providing consumer purchase protection for customers who lose their job for economic reasons within the first two years from purchase. As a result of Chrysler’s restructuring announcement in Canada, GM’s Canadian vehicle sales volume fell only 17.3% compared to 2008, an increase from the previous month.

GM must reduce some of its legacy costs which include its pensions and union health care costs. A part of GM’s ailments arose from investing in supplying truck and SUVs during an economy of high gas prices when consumers were demanding fuel efficient vehicles.

Tony Clement, Canada’s Minister of Industry, is hoping that the CAW will support the restructuring process and re-negotiate their agreement. Whereas a United Auto Workers negotiator has said, “I don’t see how the UAW will do anything until they see what the bondholders will give up.”

The Obama administration is looking toward bankruptcy proceedings for the automakers, “as a mechanism to help them restructure quickly and emerge stronger. [It will] quickly clear away old debts that are weighing them down. What we are asking is difficult. It will require hard choices by companies. It will require unions and workers who have already made painful concessions to make even more. It will require creditors to recognise that they cannot hold out for the prospect of endless government bailouts.” said Obama.

The auto parts suppliers and IT software exporters in India have already been affected by the declining auto sales. GM and Chrysler software contracts provide US$300 to 350 million a year to vendors in India. As well these two major automakers usually award US$1 billion contracts to auto parts suppliers. “We are worried and closely watching the developments in the US to gauge the impact. The decline in auto sales in the US has already hit the order books of Indian suppliers,” said a Delhi auto parts supplier.

“Going forward, the industry will undoubtedly be smaller, but if our efforts are successful it will be viable and it will support good jobs for Canadians,” said Clements.

Betty Sutton, Ohio’s Congresswoman put forward the CARS act which provides a US$3,000 to 5,000 incentive for those who trade in their vehicle for a fuel-efficient car. “It clearly stimulates the economy, and it gets the consumer into the showroom and gets them buying again. But importantly — and this is what I particularly like about it — it really helps the environment quite a bit in two respects.” said William Clay Ford Jr., executive chairman of Ford Motor Co.

Ford Motor Company has not come forward with requests for assistance.

Since December GM and Chrysler have received US$17.4 billion government loans.