STALE SHARES LÀ GÌ, GIẢI THÍCH VỀ MINING POOL
As far as I know I only get paid for accepted shares, so what are these stale shares và how can I avoid them?
Stale shares are the shares that were sent after a blochồng was already solved, that is khổng lồ say, they were sent late and were no longer valid. To avoid stale shares, best to lớn have sầu a reasonably fast mining rig (so you won"t take too long lớn calculate a giới thiệu, probably not a problem for most machines), reliable mạng internet connection (stable, not necessarily fast), but also an up-to-date mining software (if you are mining with some really old miner it might not communicate in the most efficient manner with the pool).
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In short - update your miner every now & then, make sure your internet is running okay, & don"t mine on really weak rigs.
Share Improve sầu this answer Follow answered Oct 7 "11 at 22:28
ThePiachuThePiachu 42.3k20đôi mươi gold badges130130 silver badges337337 bronze badges Add a phản hồi | 23A stale chia sẻ occurs when you find a nội dung và submit it to lớn the mining pool after the pool has already moved on lớn the next bloông xã. The percentage of stale shares should be very low if everything"s working correct, around 2 out of 1,000 shares or so.
Several factors affect the stale giới thiệu rate. The three most important are long polling, pool load, & miner-to-pool latency.
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When the long polling notification goes out, all miners that tư vấn long polling request new work units at about the same time. This generates a massive burst of load as the pool has to manages lots of network traffic and bởi vì several SHA-256 operations for each chia sẻ it issues. If the pool is slow khổng lồ issue you a new work unit, the window in which you can generate stale shares increases.
The long polling & subsequent nội dung request process requires a few network operations. Latency between the miner & the pool can slow this process down. Picking a pool with a controller near you (network wise) can reduce this part of the stale share window as well.
In addition, some pools have sầu had bugs in their software that produced stale shares. The pool checks if the chia sẻ is stale by seeing if it has a record of the work unit và clearing all work unit records when the chain changes. So if something goes wrong with the work unit tracking process, that will result in a stale tóm tắt being reported.
I probably shouldn"t admit it, but I was actually responsible for one such bug. My first implementation of long polling in the tradequangngai.com.vn client rushed as quickly as possible khổng lồ sover out the notifications of a new block being discovered to miners -- so quickly that some miners could request new work units before the client had finished processing the new block và they got work units based on the old blochồng. Any shares they submitted based on those work units would be reported as stale.
