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From joshelser <...@git.apache.org>
Subject [GitHub] accumulo pull request #224: ACCUMULO-4500 ACCUMULO-96 Added summarization
Date Wed, 01 Mar 2017 16:49:33 GMT
Github user joshelser commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/224#discussion_r103724796
  
    --- Diff: core/src/main/java/org/apache/accumulo/core/client/impl/TableOperationsImpl.java
---
    @@ -1661,4 +1676,138 @@ public Locations locate(String tableName, Collection<Range>
ranges) throws Accum
     
         return new LoctionsImpl(binnedRanges);
       }
    +
    +  @Override
    +  public SummaryRetriever getSummaries(String tableName) {
    +
    +    return new SummaryRetriever() {
    +
    +      private Text startRow = null;
    +      private Text endRow = null;
    +      private List<TSummarizerConfiguration> summariesToFetch = Collections.emptyList();
    +      private String summarizerClassRegex;
    +      private boolean flush = false;
    +
    +      @Override
    +      public SummaryRetriever startRow(Text startRow) {
    +        Objects.requireNonNull(startRow);
    +        if (endRow != null) {
    +          Preconditions.checkArgument(startRow.compareTo(endRow) < 0, "Start row must
be less than end row : %s >= %s", startRow, endRow);
    +        }
    +        this.startRow = startRow;
    +        return this;
    +      }
    +
    +      @Override
    +      public SummaryRetriever startRow(CharSequence startRow) {
    +        return startRow(new Text(startRow.toString()));
    +      }
    +
    +      @Override
    +      public List<Summary> retrieve() throws AccumuloException, AccumuloSecurityException,
TableNotFoundException {
    +        String tableId = Tables.getTableId(context.getInstance(), tableName);
    +        if (Tables.getTableState(context.getInstance(), tableId) == TableState.OFFLINE)
    +          throw new TableOfflineException(context.getInstance(), tableId);
    +
    +        TRowRange range = new TRowRange(TextUtil.getByteBuffer(startRow), TextUtil.getByteBuffer(endRow));
    +        TSummaryRequest request = new TSummaryRequest(tableId, range, summariesToFetch,
summarizerClassRegex);
    +        if (flush) {
    +          _flush(tableId, startRow, endRow, true);
    +        }
    +
    +        ClientContext cct = new ClientContext(context.getInstance(), context.getCredentials(),
context.getConfiguration()) {
    +          @Override
    +          public long getClientTimeoutInMillis() {
    +            return Math.max(super.getClientTimeoutInMillis(), 60 * 60 * 1000);
    --- End diff --
    
    This is forcing a minimum client timeout of 60mins which could be irritating for someone
who set a 10minute timeout. Is this what you intended?


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