Vladimir Ozerov created IGNITE-1814:
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Summary: Portables: compact footer offsets.
Key: IGNITE-1814
URL: https://issues.apache.org/jira/browse/IGNITE-1814
Project: Ignite
Issue Type: Task
Components: general
Affects Versions: ignite-1.4
Reporter: Vladimir Ozerov
Assignee: Vladimir Ozerov
Priority: Critical
Fix For: 1.5
Currently we write field offset as int (4 bytes).
But in most cases object will have length <256 bytes, or at least <65536 bytes.
So we can write these offsets as 1 or 2 bytes instead of 4.
Let's do the following:
1) If object length < 256 bytes, write offsets as 1 bytes, set 0x4h flag in
header.
2) If object length < 65536 bytes, write offsets as 2 bytes, set 0x8h flag in
header.
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