func (b *Buffer) Available() int { return cap(b.buf) - len(b.buf) }

// Truncate discards all but the first n unread bytes from the buffer
// but continues to use the same allocated storage.
// It panics if n is negative or greater than the length of the buffer.
func (b *Buffer) Truncate(n int) {
	if n == 0 {
		b.Reset()
		return
	}
	b.lastRead = opInvalid
	if n < 0 || n > b.Len() {

  }

  @Test
  fun truncatedMetadataEntry() {
    val response =
      testCorruptingCache {
        corruptMetadata {
          // truncate metadata to 1/4 of length
          it.substring(0, it.length / 4)
        }
      }

    assertThat(response.body.string()).isEqualTo("ABC.2") // not cached
    assertThat(cache.requestCount()).isEqualTo(2)

		// No prefix, simpler
		for _, o := range m.o {
			if !strings.Contains(o.name, separator) {
				dst = append(dst, o)
			}
		}
	}
	m.o = dst
}

// truncate the number of entries to maximum n.
func (m *metaCacheEntriesSorted) truncate(n int) {
	if m == nil {
		return
	}
	if len(m.o) > n {
		if m.reuse {
			for i, entry := range m.o[n:] {
				metaDataPoolPut(entry.metadata)

	export AWS_SECRET_ACCESS_KEY=minio123
	aws --endpoint-url http://localhost:"$start_port" s3api create-multipart-upload --bucket bucket --key obj-1 >upload-id.json
	uploadId=$(jq -r '.UploadId' upload-id.json)

	truncate -s 5MiB file-5mib
	for i in {1..2}; do
		aws --endpoint-url http://localhost:"$start_port" s3api upload-part \
			--upload-id "$uploadId" --bucket bucket --key obj-1 \
			--part-number "$i" --body ./file-5mib
	done

          "type":       "stop",
          "stopwords_path": "${fess.dictionary.path}vi/stopwords.txt"
        },
        "truncate10_filter" : {
          "type" : "truncate",
          "length" : 10
        },
        "truncate20_filter" : {
          "type" : "truncate",
          "length" : 20
        },
        "alphanum_word_filter" : {
          "type" : "alphanum_word",
          "max_token_length" : 20
        },

									autocomplete="off" />
							</div>
						</div>
						<c:if test="${!empty popularWords}">
							<div class="clearfix">
								<p class="text-truncate">
									<la:message key="labels.search_popular_word_word" />
									<c:forEach var="item" varStatus="s" items="${popularWords}">
										<c:if test="${s.index < 3}">
											<la:link

		// For example, if len(stats.PauseQuantiles) is 5, it will be
		// filled with the minimum, 25%, 50%, 75%, and maximum pause times.
		PauseQuantiles: make([]time.Duration, 5),
	}
	debug.ReadGCStats(&gcStats)
	// Truncate GC stats to max 5 entries.
	if len(gcStats.PauseEnd) > 5 {
		gcStats.PauseEnd = gcStats.PauseEnd[len(gcStats.PauseEnd)-5:]
	}
	if len(gcStats.Pause) > 5 {
		gcStats.Pause = gcStats.Pause[len(gcStats.Pause)-5:]
	}

			t.Errorf("Write: got (%d, %v), want (%d, %v)", n, err, want, nil)
		}
		check(t, "TestBasicOperations (6)", &buf, testString[0:26])

		buf.Truncate(26)
		check(t, "TestBasicOperations (7)", &buf, testString[0:26])

		buf.Truncate(20)
		check(t, "TestBasicOperations (8)", &buf, testString[0:20])

		empty(t, "TestBasicOperations (9)", &buf, testString[0:20], make([]byte, 5))

- Fix a bug on the endpoints controller that does not reconcile the Endpoint object after this is truncated (it gets more than 1000 endpoints addresses) ([#127417](https://github.com/kubernetes/kubernetes/pull/127417), [@aojea](https://github.com/aojea)) [SIG Apps, Network and Testing]

									autocomplete="off" />
							</div>
						</div>
						<c:if test="${!empty popularWords}">
							<div class="clearfix">
								<p class="text-truncate">
									<la:message key="labels.search_popular_word_word" />
									<c:forEach var="item" varStatus="s" items="${popularWords}">
										<c:if test="${s.index < 3}">
											<la:link