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技术派 I SEER区块链压力测试告诉什么叫“黑科技”

2018-7-19 20:00| 发布者: admin| 查看: 216| 评论: 0|原作者: PowerFans

————用区块链技术为体育产业赋能————

一个由SEER社区开发者贡献的SEER爱好者论坛已经上线,目前限时开放注册中,大家可以抢先注册体验:forum.seerchain.org 

SEER小助手和SEER开发者也将关注此论坛,帮助大家解决各种技术问题,关注大家的建议。

言归正传,今天 小S要傲娇的说,是时候向社区用户展示SEER的真正技术了!

因为就在近日,SEER软件测试工程师对SEER测试网络进行了一次压力测试,以验证SEER区块链底层的高并发处理能力。测试工程师在测试网络不间断广播了30万笔转账交易操作,所有交易在1408876至1408921块高的52个区块,135秒内全部成功入块被确认,无一缺失。最高并发峰值出现在1408884块高,共8208笔交易。

测试结果:
每个块间隔时间:
3秒
最高并发:
8208笔/区块 2736TPS
平均并发:
5759.23笔/区块 1919.74TPS
测试结果可通过SEER测试网络区块浏览工具查看:
http://123.206.78.97/block/1408884 

目前的SEER主网已实现平均1.5秒的网络确认速度,但并没有出现高并发的网络需求,最高频的区块链操作发生在主网1404223块高,基于SEER的DAPP项目方对用户进行token空投,1.5秒内进行了854笔转账。

在区块生产者的产生方式上,SEER采取了PoS的共识方式,用户通过智能合约抵押自己持有的SEER token竞选主力见证人(区块生产者)。

对于SEER网络来说,制约区块链TPS效率的主要是见证人所使用的设备和带宽(测试网络使用了E5 4核8G内存 处理器主频3.2GHz 100M带宽),高并发的需求源于SEER的DAPP生态发展,当高并发的需求出现时,通过抵押竞选成功的21位见证人有足够的资金实力和动力为区块链底层基础设施提供最精良的运行环境,以达到本次测试效果,甚至更高的TPS。


在SEER系统中共有21位主力见证人和80位候选见证人,按抵押SEER数量排名前21位的见证人轮流负责打包确认区块,并计量获得出块奖励。

如果主力见证人节点异常下线,候选见证人将按排名顺位进行替补,以保证网络正常运行。同时,按抵押的SEER数量排名前101位的用户还能额外获得可观的抵押收益。

SEER的见证人设计,可以保证区块链网络能甄选出最能够维护好区块链基础设施的生态参与者。


Spot News

At 3:34:48 pm on July 16, 2018, Singapore time, SEER’s software test engineers conducted a stress test on the SEER testnet to verify the high concurrent processing capacity of the SEER blockchain. Engineers continuously broadcasted 300,000 transactions in the testnet. All transactions were in 52 blocks from #1408876to #1408921. All the transactions were successfully confirmed in 135 seconds, and none of them were missing. The highest concurrency peak appeared at the #1480884 block, with a total of 8,208 transactions.

Test Results:
Block Confirmation Time: 3 seconds
Highest Concurrency: 8208 txs/block 2736TPS
Average Concurrency: 5759.23 txs/block 1919.74TPS
The test results can be viewed through the SEER testnet block explorer:
Http://123.206.78.97/block/1408884

The current SEER main net has achieved an average confirmation time at 1.5 seconds, but there is no high concurrency demand at this moment. The highest concurrency occurs on the #1404223 block. A DAPP based on SEER has sent AirDrop to the users, with 854 transfers in 1.5 seconds.

In terms of the way how blocks are produced, SEER adopts a consensus mechanism of PoS, users use the smart contract to collateralize their SEER tokens to campaign for the top witnesses (block producer).


For the SEER network, the TPS efficiency of the blockchain mainly depends on the equipment and bandwidth used by the witnesses (the testnet uses the E5 4 core 8G memory processor with a frequency of 3.2GHz 100M bandwidth) The high concurrency demand depends on the ecological development of SEER’s DAPPs. When high-concurrency demand emerges, the 21 top witnesses will have sufficient fund and motivation to provide the most excellent operating environment for the underlying infrastructure of the blockchain, with even higher TPS.


In the SEER system, there are 21 top witnesses and 80 standby witnesses. The top 21 witnesses take turns to produce the blocks, measuring and obtaining the block rewards.

If the top witness node is abnormally offline, the standby witnesses will be selected by the ranking order to ensure the normal operation of the network. At the same time, the top 101 witnesses can also obtain significant collateral profit.

SEER’s Witness design ensures that the blockchain network will select the ecological participants who are best able to maintain the blockchain infrastructure.

————  END  ————

SEER各社区频道地址

SEER官方网站:https://seer.best

SEER爱好者论坛:https://forum.seerchain.org

加SEER微信小助手进入社群:seerxiaozhushou

微信公众号:SEER爱好者社区(seerfans)




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