/** * Only calls DBCollection.count() when using vanilla MongoDB; otherwise gets estimate from collection.getStats() */ private String safeCount(DBCollection collection, Class<? extends Timestamp> type) { if (type.equals(Timestamp.BSON.class)) { return "" + collection.count(); // Vanilla MongoDB can quickly return precise count } CommandResult stats = collection.getStats(); return "~" + (!stats.containsField("count") ? 0l : stats.getLong("count")); }
dbStatsResult.getLong("collections"), dbStatsResult.getLong("objects"), dbStatsResult.getDouble("avgObjSize"), dbStatsResult.getLong("dataSize"), dbStatsResult.getLong("storageSize"), dbStatsResult.getLong("numExtents"), dbStatsResult.getLong("indexes"), dbStatsResult.getLong("indexSize"), dbStatsResult.containsField("fileSize") ? dbStatsResult.getLong("fileSize") : null, dbStatsResult.containsField("nsSizeMB") ? dbStatsResult.getLong("nsSizeMB") : null, extentFreeList, dataFileVersion serverStatusResult.getString("version"), serverStatusResult.getString("process"), serverStatusResult.getLong("pid", 0), uptime, serverStatusResult.getLong("uptimeMillis", uptime * 1000L), serverStatusResult.getInt("uptimeEstimate"), new DateTime(serverStatusResult.getDate("localTime")),
private static BuildInfo createBuildInfo(DB adminDb) { final BuildInfo buildInfo; final CommandResult buildInfoResult = adminDb.command("buildInfo"); if (buildInfoResult.ok()) { buildInfo = BuildInfo.create( buildInfoResult.getString("version"), buildInfoResult.getString("gitVersion"), buildInfoResult.getString("sysInfo"), buildInfoResult.getString("loaderFlags"), buildInfoResult.getString("compilerFlags"), buildInfoResult.getString("allocator"), (List<Integer>) buildInfoResult.get("versionArray"), buildInfoResult.getString("javascriptEngine"), buildInfoResult.getInt("bits"), buildInfoResult.getBoolean("debug"), buildInfoResult.getLong("maxBsonObjectSize") ); } else { LOG.debug("Couldn't retrieve MongoDB buildInfo: {}", buildInfoResult.getErrorMessage()); buildInfo = null; } return buildInfo; }
private byte[][] calculateRegionSplits(MongoURI uri, String tableName) throws Exception { DBCollection collection = uri.connectDB().getCollection(uri.getCollection()); long size = collection.getStats().getLong("size"); long regionSize = ConfigUtil.getPresplitTableRegionSize(_conf); int numRegions = (int) Math.min((size / regionSize) + 1, 4096); if (numRegions > 1) { log.info("Pre-splitting " + tableName + " into " + numRegions + " regions"); RegionSplitter.UniformSplit splitter = new RegionSplitter.UniformSplit(); return splitter.split(numRegions); } else { log.info("Not splitting " + tableName + ", because the data can fit into a single region"); return new byte[0][0]; } }
dbStatsResult.getLong("collections"), dbStatsResult.getLong("objects"), dbStatsResult.getDouble("avgObjSize"), dbStatsResult.getLong("dataSize"), dbStatsResult.getLong("storageSize"), dbStatsResult.getLong("numExtents"), dbStatsResult.getLong("indexes"), dbStatsResult.getLong("indexSize"), dbStatsResult.containsField("fileSize") ? dbStatsResult.getLong("fileSize") : null, dbStatsResult.containsField("nsSizeMB") ? dbStatsResult.getLong("nsSizeMB") : null, extentFreeList, dataFileVersion serverStatusResult.getString("version"), serverStatusResult.getString("process"), serverStatusResult.getLong("pid", 0), uptime, serverStatusResult.getLong("uptimeMillis", uptime * 1000L), serverStatusResult.getInt("uptimeEstimate"), new DateTime(serverStatusResult.getDate("localTime")),
private static BuildInfo createBuildInfo(DB adminDb) { final BuildInfo buildInfo; final CommandResult buildInfoResult = adminDb.command("buildInfo"); if (buildInfoResult.ok()) { buildInfo = BuildInfo.create( buildInfoResult.getString("version"), buildInfoResult.getString("gitVersion"), buildInfoResult.getString("sysInfo"), buildInfoResult.getString("loaderFlags"), buildInfoResult.getString("compilerFlags"), buildInfoResult.getString("allocator"), (List<Integer>) buildInfoResult.get("versionArray"), buildInfoResult.getString("javascriptEngine"), buildInfoResult.getInt("bits"), buildInfoResult.getBoolean("debug"), buildInfoResult.getLong("maxBsonObjectSize") ); } else { LOG.debug("Couldn't retrieve MongoDB buildInfo: {}", buildInfoResult.getErrorMessage()); buildInfo = null; } return buildInfo; }