Shirish Reddy P (Student) Indian Institute Of Information Technology, Allahabad Mob No. +919651418099
On Wed, Mar 10, 2010 at 6:16 PM, shirish <shirishredd...@gmail.com> wrote: > hello, > > I have just download the source code from the trunk using svn, I have set > up the following configuration > > Created a different user and group named cassandra > When i do *cassandra -f* the following is the output I get > > INFO 18:02:16,697 Auto DiskAccessMode determined to be standard > INFO 18:02:16,995 Saved Token not found. Using > 4812241153415237834436824812586788175 > INFO 18:02:17,008 Creating new commitlog segment > /u02/cassandra/commitlog/CommitLog-1268224337008.log > INFO 18:02:17,105 Starting up server gossip > INFO 18:02:17,163 Binding thrift service to localhost/127.0.0.1:9160 > INFO 18:02:17,169 Cassandra starting up... > > and next i ran* cassandra-cli --host 127.0.0.1 --port 9160* I get the > following > > Login failure. Did you specify 'keyspace', 'username' and 'password'? > Welcome to cassandra CLI. > > Type 'help' or '?' for help. Type 'quit' or 'exit' to quit. > > > What could have gone wrong ? > > > > >
<!-- ~ Licensed to the Apache Software Foundation (ASF) under one ~ or more contributor license agreements. See the NOTICE file ~ distributed with this work for additional information ~ regarding copyright ownership. The ASF licenses this file ~ to you under the Apache License, Version 2.0 (the ~ "License"); you may not use this file except in compliance ~ with the License. You may obtain a copy of the License at ~ ~ http://www.apache.org/licenses/LICENSE-2.0 ~ ~ Unless required by applicable law or agreed to in writing, ~ software distributed under the License is distributed on an ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY ~ KIND, either express or implied. See the License for the ~ specific language governing permissions and limitations ~ under the License. --> <Storage> <!--======================================================================--> <!-- Basic Configuration --> <!--======================================================================--> <!-- ~ The name of this cluster. This is mainly used to prevent machines in ~ one logical cluster from joining another. --> <ClusterName>Test Cluster</ClusterName> <!-- ~ Turn on to make new [non-seed] nodes automatically migrate the right data ~ to themselves. (If no InitialToken is specified, they will pick one ~ such that they will get half the range of the most-loaded node.) ~ If a node starts up without bootstrapping, it will mark itself bootstrapped ~ so that you can't subsequently accidently bootstrap a node with ~ data on it. (You can reset this by wiping your data and commitlog ~ directories.) ~ ~ Off by default so that new clusters and upgraders from 0.4 don't ~ bootstrap immediately. You should turn this on when you start adding ~ new nodes to a cluster that already has data on it. (If you are upgrading ~ from 0.4, start your cluster with it off once before changing it to true. ~ Otherwise, no data will be lost but you will incur a lot of unnecessary ~ I/O before your cluster starts up.) --> <AutoBootstrap>false</AutoBootstrap> <!-- ~ Keyspaces and ColumnFamilies: ~ A ColumnFamily is the Cassandra concept closest to a relational ~ table. Keyspaces are separate groups of ColumnFamilies. Except in ~ very unusual circumstances you will have one Keyspace per application. ~ There is an implicit keyspace named 'system' for Cassandra internals. --> <Keyspaces> <Keyspace Name="Keyspace1"> <!-- ~ ColumnFamily definitions have one required attribute (Name) ~ and several optional ones. ~ ~ The CompareWith attribute tells Cassandra how to sort the columns ~ for slicing operations. The default is BytesType, which is a ~ straightforward lexical comparison of the bytes in each column. ~ Other options are AsciiType, UTF8Type, LexicalUUIDType, TimeUUIDType, ~ and LongType. You can also specify the fully-qualified class ~ name to a class of your choice extending ~ org.apache.cassandra.db.marshal.AbstractType. ~ ~ SuperColumns have a similar CompareSubcolumnsWith attribute. ~ ~ BytesType: Simple sort by byte value. No validation is performed. ~ AsciiType: Like BytesType, but validates that the input can be ~ parsed as US-ASCII. ~ UTF8Type: A string encoded as UTF8 ~ LongType: A 64bit long ~ LexicalUUIDType: A 128bit UUID, compared lexically (by byte value) ~ TimeUUIDType: a 128bit version 1 UUID, compared by timestamp ~ ~ (To get the closest approximation to 0.3-style supercolumns, you ~ would use CompareWith=UTF8Type CompareSubcolumnsWith=LongType.) ~ ~ An optional `Comment` attribute may be used to attach additional ~ human-readable information about the column family to its definition. ~ ~ The optional KeysCached attribute specifies ~ the number of keys per sstable whose locations we keep in ~ memory in "mostly LRU" order. (JUST the key locations, NOT any ~ column values.) Specify a fraction (value less than 1), a percentage ~ (ending in a % sign) or an absolute number of keys to cache. ~ ~ The optional RowsCached attribute specifies the number of rows ~ whose entire contents we cache in memory. Do not use this on ~ ColumnFamilies with large rows, or ColumnFamilies with high write:read ~ ratios. Specify a fraction (value less than 1), a percentage (ending in ~ a % sign) or an absolute number of rows to cache. --> <ColumnFamily CompareWith="BytesType" Name="Standard1" RowsCached="10%" KeysCached="0"/> <ColumnFamily CompareWith="UTF8Type" Name="Standard2"/> <ColumnFamily CompareWith="TimeUUIDType" Name="StandardByUUID1"/> <ColumnFamily ColumnType="Super" CompareWith="UTF8Type" CompareSubcolumnsWith="UTF8Type" Name="Super1" RowsCached="1000" KeysCached="50%" Comment="A column family with supercolumns, whose column and subcolumn names are UTF8 strings"/> <!-- ~ Strategy: Setting this to the class that implements ~ IReplicaPlacementStrategy will change the way the node picker works. ~ Out of the box, Cassandra provides ~ org.apache.cassandra.locator.RackUnawareStrategy and ~ org.apache.cassandra.locator.RackAwareStrategy (place one replica in ~ a different datacenter, and the others on different racks in the same ~ one.) --> <ReplicaPlacementStrategy>org.apache.cassandra.locator.RackUnawareStrategy</ReplicaPlacementStrategy> <!-- Number of replicas of the data --> <ReplicationFactor>1</ReplicationFactor> <!-- ~ EndPointSnitch: Setting this to the class that implements ~ AbstractEndpointSnitch, which lets Cassandra know enough ~ about your network topology to route requests efficiently. ~ Out of the box, Cassandra provides org.apache.cassandra.locator.EndPointSnitch, ~ and PropertyFileEndPointSnitch is available in contrib/. --> <EndPointSnitch>org.apache.cassandra.locator.EndPointSnitch</EndPointSnitch> </Keyspace> </Keyspaces> <!-- ~ Authenticator: any IAuthenticator may be used, including your own as long ~ as it is on the classpath. Out of the box, Cassandra provides ~ org.apache.cassandra.auth.AllowAllAuthenticator and, ~ org.apache.cassandra.auth.SimpleAuthenticator ~ (SimpleAuthenticator uses access.properties and passwd.properties by ~ default). ~ ~ If you don't specify an authenticator, AllowAllAuthenticator is used. --> <Authenticator>org.apache.cassandra.auth.AllowAllAuthenticator</Authenticator> <!-- ~ Partitioner: any IPartitioner may be used, including your own as long ~ as it is on the classpath. Out of the box, Cassandra provides ~ org.apache.cassandra.dht.RandomPartitioner, ~ org.apache.cassandra.dht.OrderPreservingPartitioner, and ~ org.apache.cassandra.dht.CollatingOrderPreservingPartitioner. ~ (CollatingOPP colates according to EN,US rules, not naive byte ~ ordering. Use this as an example if you need locale-aware collation.) ~ Range queries require using an order-preserving partitioner. ~ ~ Achtung! Changing this parameter requires wiping your data ~ directories, since the partitioner can modify the sstable on-disk ~ format. --> <Partitioner>org.apache.cassandra.dht.RandomPartitioner</Partitioner> <!-- ~ If you are using an order-preserving partitioner and you know your key ~ distribution, you can specify the token for this node to use. (Keys ~ are sent to the node with the "closest" token, so distributing your ~ tokens equally along the key distribution space will spread keys ~ evenly across your cluster.) This setting is only checked the first ~ time a node is started. ~ This can also be useful with RandomPartitioner to force equal spacing ~ of tokens around the hash space, especially for clusters with a small ~ number of nodes. --> <InitialToken></InitialToken> <!-- ~ Directories: Specify where Cassandra should store different data on ~ disk. Keep the data disks and the CommitLog disks separate for best ~ performance --> <CommitLogDirectory>/u02/cassandra/commitlog</CommitLogDirectory> <DataFileDirectories> <DataFileDirectory>/u01/cassandra/data</DataFileDirectory> </DataFileDirectories> <CalloutLocation>/opt/cassandra/callouts</CalloutLocation> <StagingFileDirectory>/opt/cassandra/staging</StagingFileDirectory> <!-- ~ Addresses of hosts that are deemed contact points. Cassandra nodes ~ use this list of hosts to find each other and learn the topology of ~ the ring. You must change this if you are running multiple nodes! --> <Seeds> <Seed>127.0.0.1</Seed> </Seeds> <!-- Miscellaneous --> <!-- Time to wait for a reply from other nodes before failing the command --> <RpcTimeoutInMillis>10000</RpcTimeoutInMillis> <!-- Size to allow commitlog to grow to before creating a new segment --> <CommitLogRotationThresholdInMB>128</CommitLogRotationThresholdInMB> <!-- Local hosts and ports --> <!-- ~ Address to bind to and tell other nodes to connect to. You _must_ ~ change this if you want multiple nodes to be able to communicate! ~ ~ Leaving it blank leaves it up to InetAddress.getLocalHost(). This ~ will always do the Right Thing *if* the node is properly configured ~ (hostname, name resolution, etc), and the Right Thing is to use the ~ address associated with the hostname (it might not be). --> <ListenAddress>localhost</ListenAddress> <!-- internal communications port --> <StoragePort>7000</StoragePort> <!-- ~ The address to bind the RPC service to. Unlike ListenAddress above, you ~ *can* specify 0.0.0.0 here if you want to bind the RPC service to all ~ interfaces. ~ ~ Leaving this blank has the same effect it does for ListenAddress, ~ (i.e. it will be based on the configured hostname of the node). --> <RPCAddress>localhost</RPCAddress> <!-- RPC port (the port clients connect to). --> <RPCPort>9160</RPCPort> <!-- ~ Whether or not to use a framed transport for Thrift. If this option ~ is set to true then you must also use a framed transport on the ~ client-side, (framed and non-framed transports are not compatible). --> <ThriftFramedTransport>false</ThriftFramedTransport> <!--======================================================================--> <!-- Memory, Disk, and Performance --> <!--======================================================================--> <!-- ~ Access mode. mmapped i/o is substantially faster, but only practical on ~ a 64bit machine (which notably does not include EC2 "small" instances) ~ or relatively small datasets. "auto", the safe choice, will enable ~ mmapping on a 64bit JVM. Other values are "mmap", "mmap_index_only" ~ (which may allow you to get part of the benefits of mmap on a 32bit ~ machine by mmapping only index files) and "standard". ~ (The buffer size settings that follow only apply to standard, ~ non-mmapped i/o.) --> <DiskAccessMode>auto</DiskAccessMode> <!-- ~ Size of compacted row above which to log a warning. (If compacted ~ rows do not fit in memory, Cassandra will crash. This is explained ~ in http://wiki.apache.org/cassandra/CassandraLimitations and is ~ scheduled to be fixed in 0.7.) --> <RowWarningThresholdInMB>512</RowWarningThresholdInMB> <!-- ~ Buffer size to use when performing contiguous column slices. Increase ~ this to the size of the column slices you typically perform. ~ (Name-based queries are performed with a buffer size of ~ ColumnIndexSizeInKB.) --> <SlicedBufferSizeInKB>64</SlicedBufferSizeInKB> <!-- ~ Buffer size to use when flushing memtables to disk. (Only one ~ memtable is ever flushed at a time.) Increase (decrease) the index ~ buffer size relative to the data buffer if you have few (many) ~ columns per key. Bigger is only better _if_ your memtables get large ~ enough to use the space. (Check in your data directory after your ~ app has been running long enough.) --> <FlushDataBufferSizeInMB>32</FlushDataBufferSizeInMB> <FlushIndexBufferSizeInMB>8</FlushIndexBufferSizeInMB> <!-- ~ Add column indexes to a row after its contents reach this size. ~ Increase if your column values are large, or if you have a very large ~ number of columns. The competing causes are, Cassandra has to ~ deserialize this much of the row to read a single column, so you want ~ it to be small - at least if you do many partial-row reads - but all ~ the index data is read for each access, so you don't want to generate ~ that wastefully either. --> <ColumnIndexSizeInKB>64</ColumnIndexSizeInKB> <!-- ~ Flush memtable after this much data has been inserted, including ~ overwritten data. There is one memtable per column family, and ~ this threshold is based solely on the amount of data stored, not ~ actual heap memory usage (there is some overhead in indexing the ~ columns). --> <MemtableThroughputInMB>64</MemtableThroughputInMB> <!-- ~ Throughput setting for Binary Memtables. Typically these are ~ used for bulk load so you want them to be larger. --> <BinaryMemtableThroughputInMB>256</BinaryMemtableThroughputInMB> <!-- ~ The maximum number of columns in millions to store in memory per ~ ColumnFamily before flushing to disk. This is also a per-memtable ~ setting. Use with MemtableThroughputInMB to tune memory usage. --> <MemtableOperationsInMillions>0.3</MemtableOperationsInMillions> <!-- ~ The maximum time to leave a dirty memtable unflushed. ~ (While any affected columnfamilies have unflushed data from a ~ commit log segment, that segment cannot be deleted.) ~ This needs to be large enough that it won't cause a flush storm ~ of all your memtables flushing at once because none has hit ~ the size or count thresholds yet. For production, a larger ~ value such as 1440 is recommended. --> <MemtableFlushAfterMinutes>60</MemtableFlushAfterMinutes> <!-- ~ Unlike most systems, in Cassandra writes are faster than reads, so ~ you can afford more of those in parallel. A good rule of thumb is 2 ~ concurrent reads per processor core. Increase ConcurrentWrites to ~ the number of clients writing at once if you enable CommitLogSync + ~ CommitLogSyncDelay. --> <ConcurrentReads>8</ConcurrentReads> <ConcurrentWrites>32</ConcurrentWrites> <!-- ~ CommitLogSync may be either "periodic" or "batch." When in batch ~ mode, Cassandra won't ack writes until the commit log has been ~ fsynced to disk. It will wait up to CommitLogSyncBatchWindowInMS ~ milliseconds for other writes, before performing the sync. ~ This is less necessary in Cassandra than in traditional databases ~ since replication reduces the odds of losing data from a failure ~ after writing the log entry but before it actually reaches the disk. ~ So the other option is "timed," where writes may be acked immediately ~ and the CommitLog is simply synced every CommitLogSyncPeriodInMS ~ milliseconds. --> <CommitLogSync>periodic</CommitLogSync> <!-- ~ Interval at which to perform syncs of the CommitLog in periodic mode. ~ Usually the default of 10000ms is fine; increase it if your i/o ~ load is such that syncs are taking excessively long times. --> <CommitLogSyncPeriodInMS>10000</CommitLogSyncPeriodInMS> <!-- ~ Delay (in milliseconds) during which additional commit log entries ~ may be written before fsync in batch mode. This will increase ~ latency slightly, but can vastly improve throughput where there are ~ many writers. Set to zero to disable (each entry will be synced ~ individually). Reasonable values range from a minimal 0.1 to 10 or ~ even more if throughput matters more than latency. --> <!-- <CommitLogSyncBatchWindowInMS>1</CommitLogSyncBatchWindowInMS> --> <!-- ~ Time to wait before garbage-collection deletion markers. Set this to ~ a large enough value that you are confident that the deletion marker ~ will be propagated to all replicas by the time this many seconds has ~ elapsed, even in the face of hardware failures. The default value is ~ ten days. --> <GCGraceSeconds>864000</GCGraceSeconds> </Storage>
