blastn 多加上blastn-short
-task：设置比对模式，通常情况会有一个默认task，这里要设置为blastn-short
-word_size：尽可能小，这里设为7
-evalue：类似于p值的一个指标，越小说明越可靠
Tasks
|
Task |
Description |
|
blastp |
Traditional BLASTP to compare a protein query to a protein database |
|
blastp-short |
BLASTP optimized for queries shorter than 30 residues |
|
blastn |
Traditional BLASTN requiring an exact match of 11 |
|
blastn-short |
BLASTN program optimized for sequences shorter than 50 bases |
|
megablast |
Traditional megablast used to find very similar (e.g., intraspecies or closely related species) sequences |
|
dc-megablast |
Discontiguous megablast used to find more dista服务器托管网nt (e.g., interspecies) sequences |
REF
http://服务器托管网barcwiki.wi.mit.edu/wiki/blastTips
https://web.cas.org/help/BLAST/topics/shrt_seq.htm
https://www.jianshu.com/p/a6ee3d19b832?utm_campaign=maleskine
服务器托管，北京服务器托管，服务器租用 http://www.fwqtg.net
机房租用，北京机房租用，IDC机房托管， http://www.fwqtg.net
Kafka中Partition（分区）是真正保存消息的地方，发送的消息都被放在这里。 每次添加消息到Partition(分区)的时候都会采用尾加法，如上图所示。Kafka只能保证Partition（分区）中的消息有序，而不能保证Topic(主题)中的Parti…
