blast2go提示内存不足的解决办法

Blast2GO Pipeline Version 2.5.0

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Hash for resource ec2go_19072011.txt of type ec created. 4003 associations loaded.

Blast2GO build: 23092011

Change b2g-properties file to: ./b2gPipe.properties

Blast2go.version=2.5.0

Blast2GO V.2.5.0 started (without GUI)

create new Project

set new Project

Hit description position set to: 5

Hit description filter set to:

GoWeight set to: 5.0

Peu.Pep.Seq.fas.blast.nr.xml

Exception in thread "main" java.lang.OutOfMemoryError: Java heap space

at java.util.Arrays.copyOf(Arrays.java:2367)

at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:130)

at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:114)

at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:415)

at java.lang.StringBuffer.append(StringBuffer.java:237)

at es.blast2go.prog.blast.ParseBlastXml.parse(ParseBlastXml.java:125)

at es.blast2go.prog.blast.ParseBlastXml.parseFile(ParseBlastXml.java:77)

at es.blast2go.prog.B2GAnnotPipe.<init>(B2GAnnotPipe.java:199)

at es.blast2go.prog.B2GAnnotPipe.main(B2GAnnotPipe.java:102)

以上是错误提示。

blast2go是一个java程序，在运行时可以对内存占用加以指定，参数如下：

java -Xmx400g -Xms100g ...

这样就将最大内存设置为400GB，最小占用内存设置为100GB。