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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2698) Enhance CoreAdmin STATUS command to return index size
Date Thu, 04 Aug 2011 15:55:27 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079429#comment-13079429
] 

Mark Miller commented on SOLR-2698:
-----------------------------------

bq. FileUtils.byteCountToDisplaySize( ) will not round the size of a file

Ah, right, good catch! This is actually why I implemented our own version in one of our projects
(similar to the one in rep handler). Had forgotten the reason for that! See below. I see the
following JIRA issue as well: https://issues.apache.org/jira/browse/IO-226

So yeah, +1 on the new Util method.

{code}

  /**
   * Return good default units based on byte size.
   */
  public static String humanReadableUnits(long bytes) {
    String newSizeAndUnits;
    DecimalFormat df = new DecimalFormat("#.#");
    if (bytes / ONE_GB > 0) {
      newSizeAndUnits = String.valueOf(df.format((float)bytes / ONE_GB)) + " GB";
    } else if (bytes / ONE_MB > 0) {
      newSizeAndUnits = String.valueOf(df.format((float)bytes / ONE_MB)) + " MB";
    } else if (bytes / ONE_KB > 0) {
      newSizeAndUnits = String.valueOf(df.format((float)bytes / ONE_KB)) + " KB";
    } else {
      newSizeAndUnits = String.valueOf(bytes) + " bytes";
    }

    return newSizeAndUnits;
  }
{code}

> Enhance CoreAdmin STATUS command to return index size
> -----------------------------------------------------
>
>                 Key: SOLR-2698
>                 URL: https://issues.apache.org/jira/browse/SOLR-2698
>             Project: Solr
>          Issue Type: Improvement
>          Components: multicore
>    Affects Versions: 4.0
>            Reporter: Yury Kats
>            Assignee: Mark Miller
>         Attachments: SOLR-2698.patch
>
>
> CoreAdmin STATUS command returns all kinds of index info for all cores on the server,
except for the index size.
> However, indexSize can be retrieved for an individual core via a /replication&command=details
request.
> I have N Solrs servers, running M cores each. My application is monitoring the status
of all cores, including their index size.
> As it stands today, I need to issue N status requests plus N*M replication requests to
get all the information I need.
> If STATUS command returned indexSize, number of requests would be just N.

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