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https://issues.apache.org/jira/browse/HBASE-22339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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puleya7 updated HBASE-22339:
----------------------------
Attachment: HBASE-22339.patch
> BC capacity is not limited to 32TB
> ----------------------------------
>
> Key: HBASE-22339
> URL: https://issues.apache.org/jira/browse/HBASE-22339
> Project: HBase
> Issue Type: Improvement
> Components: BucketCache
> Reporter: puleya7
> Priority: Minor
> Attachments: HBASE-22339.patch
>
>
>
> {code:java}
> BucketCache#constructor()：
> long blockNumCapacity = capacity / blockSize;
> if (blockNumCapacity >= Integer.MAX_VALUE) {
> // Enough for about 32TB of cache!
> throw new IllegalArgumentException("Cache capacity is too large, only
> support 32TB now");
> }
> {code}
>
> default blockSize is 64*1024
> blockNumCapacity >= Integer.MAX_VALUE means capacity >= 127.99TB, not 32TB
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