- [Etcd v3.5.[0-2] data corruption](#etcd-v350-2-data-corruption)
  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Changes by Kind](#changes-by-kind-16)
    - [Deprecation](#deprecation)
    - [API Change](#api-change-2)
    - [Feature](#feature-9)
    - [Documentation](#documentation)

            dst[i] = (byte) (i & 0xFF);
        }

        int startIndex = 5;
        int bytesWritten = notifyChange.writeSetupWireFormat(dst, startIndex);

        // Check that bytes before startIndex are unchanged
        for (int i = 0; i < startIndex; i++) {
            assertEquals((byte) (i & 0xFF), dst[i]);
        }

        // Check that bytes after written area are unchanged

  }

  // All done. If compression happened, we need to move bytes to the right place in the
  // address. Here's a sample:
  //
  //      input: "1111:2222:3333::7777:8888"
  //     before: { 11, 11, 22, 22, 33, 33, 00, 00, 77, 77, 88, 88, 00, 00, 00, 00  }
  //   compress: 6
  //          b: 10
  //      after: { 11, 11, 22, 22, 33, 33, 00, 00, 00, 00, 00, 00, 77, 77, 88, 88 }
  //

            byte[] testBuffer = new byte[20];
            int offset = 5;
            ByteBuffer bb = ByteBuffer.wrap(testBuffer).order(ByteOrder.LITTLE_ENDIAN);

            // Add padding before actual data
            bb.position(offset);
            bb.putShort((short) 24); // pathConsumed
            bb.putShort((short) 0); // numReferrals
            bb.putShort((short) 10); // tflags

- All versions, including delete-markers should be deleted before deleting a bucket.
- **Versioning feature is only available in erasure coded and distributed erasure coded setups**.

## How to configure versioning on a bucket

   * Confirms that at least one of the certificates pinned for `hostname` is in `peerCertificates`.
   * Does nothing if there are no certificates pinned for `hostname`. OkHttp calls this after a
   * successful TLS handshake, but before the connection is used.
   *
   * @throws SSLPeerUnverifiedException if `peerCertificates` don't match the certificates pinned
   *     for `hostname`.
   */
  @Throws(SSLPeerUnverifiedException::class)
  fun check(

	fi.ModTime = modTime     // set modTime for the new versionID
	if !dstOpts.MTime.IsZero() {
		modTime = dstOpts.MTime
		fi.ModTime = dstOpts.MTime
	}
	// check inline before overwriting metadata.
	inlineData := fi.InlineData()

	fi.Metadata = srcInfo.UserDefined
	srcInfo.UserDefined["etag"] = srcInfo.ETag

	freeVersionID := fi.TierFreeVersionID()

er-width));\n}\n.bs-popover-top > .popover-arrow::before, .bs-popover-auto[data-popper-placement^=top] > .popover-arrow::before, .bs-popover-top > .popover-arrow::after, .bs-popover-auto[data-popper-placement^=top] > .popover-arrow::after {\n  border-width: var(--bs-popover-arrow-height) calc(var(--bs-popover-arrow-width) * 0.5) 0;\n}\n.bs-popover-top > .popover-arrow::before, .bs-popover-auto[data-popper-placement^=top] > .popover-arrow::before {\n  bottom: 0;\n  border-top-color: var(--bs-popo...

   * this fluent iterable contains fewer than {@code numberToSkip} elements, the returned fluent
   * iterable skips all of its elements.
   *
   * <p>Modifications to this fluent iterable before a call to {@code iterator()} are reflected in
   * the returned fluent iterable. That is, the iterator skips the first {@code numberToSkip}
   * elements that exist when the iterator is created, not when {@code skip()} is called.

   * input.
   */
  @VisibleForTesting(
      )
  static final double HASH_FLOODING_FPP = 0.001;

  /**
   * Maximum allowed length of a hash table bucket before falling back to a j.u.LinkedHashMap-based
   * implementation. Experimentally determined.
   */
  private static final int MAX_HASH_BUCKET_LENGTH = 9;