Lars Hofhansl created HBASE-7371:
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Summary: Blocksize in TestHFileBlock is unintentionally small
Key: HBASE-7371
URL: https://issues.apache.org/jira/browse/HBASE-7371
Project: HBase
Issue Type: Sub-task
Reporter: Lars Hofhansl
Priority: Minor
Looking at TestHFileBlock.writeBlocks I see this:
{code}
for (int j = 0; j < rand.nextInt(500); ++j) {
// This might compress well.
dos.writeShort(i + 1);
dos.writeInt(j + 1);
}
{code}
The result is probably not what the author intended. {{rand.nextInt(500)}} is
evaluated during each iterations and that leads to very small blocks size
mostly between ~100 and 300 bytes or so.
The author probably intended this:
{code}
int size = rand.nextInt(500);
for (int j = 0; j < size; ++j) {
// This might compress well.
dos.writeShort(i + 1);
dos.writeInt(j + 1);
}
{code}
This leads to more reasonable block sizes between ~200 and 3000 bytes
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