Esempio n. 1
0
        /// <summary>Returns true if this single info is optimized (has no
        /// pending norms or deletes, is in the same dir as the
        /// writer, and matches the current compound file setting
        /// </summary>
        private bool IsOptimized(SegmentInfo info)
        {
            bool hasDeletions = writer.NumDeletedDocs(info) > 0;

            return(!hasDeletions && !info.HasSeparateNorms() && info.dir == writer.Directory &&
                   (info.GetUseCompoundFile() == useCompoundFile || internalNoCFSRatio < 1.0));
        }
Esempio n. 2
0
		/// <summary>Returns true if this single info is optimized (has no
		/// pending norms or deletes, is in the same dir as the
		/// writer, and matches the current compound file setting 
		/// </summary>
		private bool IsOptimized(SegmentInfo info)
		{
			bool hasDeletions = writer.NumDeletedDocs(info) > 0;
			return !hasDeletions && !info.HasSeparateNorms() && info.dir == writer.Directory &&
                (info.GetUseCompoundFile() == useCompoundFile || internalNoCFSRatio < 1.0);
		}
Esempio n. 3
0
        /// <summary>Returns a <see cref="Status" /> instance detailing
        /// the state of the index.
        ///
        /// </summary>
        /// <param name="onlySegments">list of specific segment names to check
        ///
        /// <p/>As this method checks every byte in the specified
        /// segments, on a large index it can take quite a long
        /// time to run.
        ///
        /// <p/><b>WARNING</b>: make sure
        /// you only call this when the index is not opened by any
        /// writer.
        /// </param>
        public virtual Status CheckIndex_Renamed_Method(List <string> onlySegments)
        {
            System.Globalization.NumberFormatInfo nf = System.Globalization.CultureInfo.CurrentCulture.NumberFormat;
            SegmentInfos sis    = new SegmentInfos();
            Status       result = new Status();

            result.dir = dir;
            try
            {
                sis.Read(dir);
            }
            catch (System.Exception t)
            {
                Msg("ERROR: could not read any segments file in directory");
                result.missingSegments = true;
                if (infoStream != null)
                {
                    infoStream.WriteLine(t.StackTrace);
                }
                return(result);
            }

            int        numSegments      = sis.Count;
            var        segmentsFileName = sis.GetCurrentSegmentFileName();
            IndexInput input            = null;

            try
            {
                input = dir.OpenInput(segmentsFileName);
            }
            catch (System.Exception t)
            {
                Msg("ERROR: could not open segments file in directory");
                if (infoStream != null)
                {
                    infoStream.WriteLine(t.StackTrace);
                }
                result.cantOpenSegments = true;
                return(result);
            }
            int format = 0;

            try
            {
                format = input.ReadInt();
            }
            catch (System.Exception t)
            {
                Msg("ERROR: could not read segment file version in directory");
                if (infoStream != null)
                {
                    infoStream.WriteLine(t.StackTrace);
                }
                result.missingSegmentVersion = true;
                return(result);
            }
            finally
            {
                if (input != null)
                {
                    input.Close();
                }
            }

            System.String sFormat = "";
            bool          skip    = false;

            if (format == SegmentInfos.FORMAT)
            {
                sFormat = "FORMAT [Lucene Pre-2.1]";
            }
            if (format == SegmentInfos.FORMAT_LOCKLESS)
            {
                sFormat = "FORMAT_LOCKLESS [Lucene 2.1]";
            }
            else if (format == SegmentInfos.FORMAT_SINGLE_NORM_FILE)
            {
                sFormat = "FORMAT_SINGLE_NORM_FILE [Lucene 2.2]";
            }
            else if (format == SegmentInfos.FORMAT_SHARED_DOC_STORE)
            {
                sFormat = "FORMAT_SHARED_DOC_STORE [Lucene 2.3]";
            }
            else
            {
                if (format == SegmentInfos.FORMAT_CHECKSUM)
                {
                    sFormat = "FORMAT_CHECKSUM [Lucene 2.4]";
                }
                else if (format == SegmentInfos.FORMAT_DEL_COUNT)
                {
                    sFormat = "FORMAT_DEL_COUNT [Lucene 2.4]";
                }
                else if (format == SegmentInfos.FORMAT_HAS_PROX)
                {
                    sFormat = "FORMAT_HAS_PROX [Lucene 2.4]";
                }
                else if (format == SegmentInfos.FORMAT_USER_DATA)
                {
                    sFormat = "FORMAT_USER_DATA [Lucene 2.9]";
                }
                else if (format == SegmentInfos.FORMAT_DIAGNOSTICS)
                {
                    sFormat = "FORMAT_DIAGNOSTICS [Lucene 2.9]";
                }
                else if (format < SegmentInfos.CURRENT_FORMAT)
                {
                    sFormat = "int=" + format + " [newer version of Lucene than this tool]";
                    skip    = true;
                }
                else
                {
                    sFormat = format + " [Lucene 1.3 or prior]";
                }
            }

            result.segmentsFileName = segmentsFileName;
            result.numSegments      = numSegments;
            result.segmentFormat    = sFormat;
            result.userData         = sis.UserData;
            System.String userDataString;
            if (sis.UserData.Count > 0)
            {
                userDataString = " userData=" + CollectionsHelper.CollectionToString(sis.UserData);
            }
            else
            {
                userDataString = "";
            }

            Msg("Segments file=" + segmentsFileName + " numSegments=" + numSegments + " version=" + sFormat + userDataString);

            if (onlySegments != null)
            {
                result.partial = true;
                if (infoStream != null)
                {
                    infoStream.Write("\nChecking only these segments:");
                }
                foreach (string s in onlySegments)
                {
                    if (infoStream != null)
                    {
                        infoStream.Write(" " + s);
                    }
                }
                result.segmentsChecked.AddRange(onlySegments);
                Msg(":");
            }

            if (skip)
            {
                Msg("\nERROR: this index appears to be created by a newer version of Lucene than this tool was compiled on; please re-compile this tool on the matching version of Lucene; exiting");
                result.toolOutOfDate = true;
                return(result);
            }


            result.newSegments = (SegmentInfos)sis.Clone();
            result.newSegments.Clear();

            for (int i = 0; i < numSegments; i++)
            {
                SegmentInfo info = sis.Info(i);
                if (onlySegments != null && !onlySegments.Contains(info.name))
                {
                    continue;
                }
                var segInfoStat = new Status.SegmentInfoStatus();
                result.segmentInfos.Add(segInfoStat);
                Msg("  " + (1 + i) + " of " + numSegments + ": name=" + info.name + " docCount=" + info.docCount);
                segInfoStat.name     = info.name;
                segInfoStat.docCount = info.docCount;

                int toLoseDocCount = info.docCount;

                SegmentReader reader = null;

                try
                {
                    Msg("    compound=" + info.GetUseCompoundFile());
                    segInfoStat.compound = info.GetUseCompoundFile();
                    Msg("    hasProx=" + info.HasProx);
                    segInfoStat.hasProx = info.HasProx;
                    Msg("    numFiles=" + info.Files().Count);
                    segInfoStat.numFiles = info.Files().Count;
                    Msg(System.String.Format(nf, "    size (MB)={0:f}", new System.Object[] { (info.SizeInBytes() / (1024.0 * 1024.0)) }));
                    segInfoStat.sizeMB = info.SizeInBytes() / (1024.0 * 1024.0);
                    IDictionary <string, string> diagnostics = info.Diagnostics;
                    segInfoStat.diagnostics = diagnostics;
                    if (diagnostics.Count > 0)
                    {
                        Msg("    diagnostics = " + CollectionsHelper.CollectionToString(diagnostics));
                    }

                    int docStoreOffset = info.DocStoreOffset;
                    if (docStoreOffset != -1)
                    {
                        Msg("    docStoreOffset=" + docStoreOffset);
                        segInfoStat.docStoreOffset = docStoreOffset;
                        Msg("    docStoreSegment=" + info.DocStoreSegment);
                        segInfoStat.docStoreSegment = info.DocStoreSegment;
                        Msg("    docStoreIsCompoundFile=" + info.DocStoreIsCompoundFile);
                        segInfoStat.docStoreCompoundFile = info.DocStoreIsCompoundFile;
                    }
                    System.String delFileName = info.GetDelFileName();
                    if (delFileName == null)
                    {
                        Msg("    no deletions");
                        segInfoStat.hasDeletions = false;
                    }
                    else
                    {
                        Msg("    has deletions [delFileName=" + delFileName + "]");
                        segInfoStat.hasDeletions      = true;
                        segInfoStat.deletionsFileName = delFileName;
                    }
                    if (infoStream != null)
                    {
                        infoStream.Write("    test: open reader.........");
                    }
                    reader = SegmentReader.Get(true, info, IndexReader.DEFAULT_TERMS_INDEX_DIVISOR);

                    segInfoStat.openReaderPassed = true;

                    int numDocs = reader.NumDocs();
                    toLoseDocCount = numDocs;
                    if (reader.HasDeletions)
                    {
                        if (reader.deletedDocs.Count() != info.GetDelCount())
                        {
                            throw new System.SystemException("delete count mismatch: info=" + info.GetDelCount() + " vs deletedDocs.count()=" + reader.deletedDocs.Count());
                        }
                        if (reader.deletedDocs.Count() > reader.MaxDoc)
                        {
                            throw new System.SystemException("too many deleted docs: MaxDoc=" + reader.MaxDoc + " vs deletedDocs.count()=" + reader.deletedDocs.Count());
                        }
                        if (info.docCount - numDocs != info.GetDelCount())
                        {
                            throw new System.SystemException("delete count mismatch: info=" + info.GetDelCount() + " vs reader=" + (info.docCount - numDocs));
                        }
                        segInfoStat.numDeleted = info.docCount - numDocs;
                        Msg("OK [" + (segInfoStat.numDeleted) + " deleted docs]");
                    }
                    else
                    {
                        if (info.GetDelCount() != 0)
                        {
                            throw new System.SystemException("delete count mismatch: info=" + info.GetDelCount() + " vs reader=" + (info.docCount - numDocs));
                        }
                        Msg("OK");
                    }
                    if (reader.MaxDoc != info.docCount)
                    {
                        throw new System.SystemException("SegmentReader.MaxDoc " + reader.MaxDoc + " != SegmentInfos.docCount " + info.docCount);
                    }

                    // Test getFieldNames()
                    if (infoStream != null)
                    {
                        infoStream.Write("    test: fields..............");
                    }
                    ICollection <string> fieldNames = reader.GetFieldNames(IndexReader.FieldOption.ALL);
                    Msg("OK [" + fieldNames.Count + " fields]");
                    segInfoStat.numFields = fieldNames.Count;

                    // Test Field Norms
                    segInfoStat.fieldNormStatus = TestFieldNorms(fieldNames, reader);

                    // Test the Term Index
                    segInfoStat.termIndexStatus = TestTermIndex(info, reader);

                    // Test Stored Fields
                    segInfoStat.storedFieldStatus = TestStoredFields(info, reader, nf);

                    // Test Term Vectors
                    segInfoStat.termVectorStatus = TestTermVectors(info, reader, nf);

                    // Rethrow the first exception we encountered
                    //  This will cause stats for failed segments to be incremented properly
                    if (segInfoStat.fieldNormStatus.error != null)
                    {
                        throw new SystemException("Field Norm test failed");
                    }
                    else if (segInfoStat.termIndexStatus.error != null)
                    {
                        throw new SystemException("Term Index test failed");
                    }
                    else if (segInfoStat.storedFieldStatus.error != null)
                    {
                        throw new SystemException("Stored Field test failed");
                    }
                    else if (segInfoStat.termVectorStatus.error != null)
                    {
                        throw new System.SystemException("Term Vector test failed");
                    }

                    Msg("");
                }
                catch (System.Exception t)
                {
                    Msg("FAILED");
                    const string comment = "fixIndex() would remove reference to this segment";
                    Msg("    WARNING: " + comment + "; full exception:");
                    if (infoStream != null)
                    {
                        infoStream.WriteLine(t.StackTrace);
                    }
                    Msg("");
                    result.totLoseDocCount += toLoseDocCount;
                    result.numBadSegments++;
                    continue;
                }
                finally
                {
                    if (reader != null)
                    {
                        reader.Close();
                    }
                }

                // Keeper
                result.newSegments.Add((SegmentInfo)info.Clone());
            }

            if (0 == result.numBadSegments)
            {
                result.clean = true;
                Msg("No problems were detected with this index.\n");
            }
            else
            {
                Msg("WARNING: " + result.numBadSegments + " broken segments (containing " + result.totLoseDocCount + " documents) detected");
            }

            return(result);
        }