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IQ Test

| Life

There was a test here: http://web.tickle.com/tests/uiq and the test is no longer there, after committing the test I got a not-so-ideal result, which is no more than 150 and no less than 145.

The IQ result claims that:

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FreeBSD/DragonFlyBSD VM bug

| Kernel

I have sent a headsup to bugs list of DragonflyBSD, which mentions the recent bugfixes on FreeBSD-CURRENT committed by Dr. Alan Cox.

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九局下半

| Shared Chaos

While I don’t really like Mc Hotdog, it’s here:

歌 曲:九局下半
演唱者:Mc Hotdog
作词:Mc Hotdog 编曲:Johnny G

我也想宣布独立 我握着笔 但是父母亲不肯签订
说我这项炼条约还没到期 在电视里 或许我是不起眼的明星
在他们的眼里 我只是个长不大的小孩子 多么尴尬的日子
多么尴尬 好想改变一切 只是没有银子更没有方法

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Shortage of the current implementation of Soft Updates

| Development

The current FreeBSD Soft Updates poses to a performance peanlity when there’re plenty of i-nodes and this is very common case in badly-designed systems, however, I think this should be solved.

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www.delphij.net receives tenfold of increase in uptime by migrating to FreeBSDChina's machine

| Diary Excerpt

The migration apparantly gots its result, 30 times of increase here. No old hardware any more!!

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Finally moved www.delphij.net and several my websites out

| Diary Excerpt

I don’t want to do this, but I can not bear beastie.frontfree.net any more. It continously generates troubles for me, and in addition, the configuration is too poor for me, not only compared to the other servers I moderate, but also to the modern computers.

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A watchdog for beastie.frontfree.net

| Diary Excerpt

I hate them, really, really hate them, they are abusing the machine and I have to spend much time on dealing with the mess they generated.

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lock problem triggered by umount

| Kernel

I have just tried to umount /usr on my test box in order to get all outstanding writes to be sync’ed to disk (as Kirk McKusick said, the umount system call will do true sync of a file system).

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Profile-based compile optimization

| Development

junsu has pointed out that gcc has the ablity to do profile, record the data and optimize the generated code according to the data. The nearest compiler guru I can visit is Prof. Husheng LIAO (sorry, the link here is not available to the Internet at the time writing, but this is hopefully to be changed soon) who recently concentrate his research in optimization for the Java Language Compiling process.

Further information will be available here soon.

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beastie.frontfree.net's apache problem addressed

| Development

With help from clement@, I have finally addressed the problem I am encounting was caused by a mix of libkse(libpthread) and its older version.

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