cassandra.yaml_prod_2.2.5.diff
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Authored by Eevans on Mar 2 2016, 5:54 PM.

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	F3508592: Masterwork From Distant Lands
	Mar 2 2016, 5:54 PM

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	--- /dev/fd/63 2016-03-02 11:52:47.516161860 -0600
	+++ /dev/fd/62 2016-03-02 11:52:47.516161860 -0600
	@@ -1,6 +1,4 @@
	-# Note: This file is managed by Puppet.
	-
	-# Cassandra storage config YAML
	+# Cassandra storage config YAML

	# NOTE:
	# See http://wiki.apache.org/cassandra/StorageConfiguration for
	@@ -9,9 +7,7 @@

	# The name of the cluster. This is mainly used to prevent machines in
	# one logical cluster from joining another.
	-# NOTE: this is not related to datacenter name, a single cassandra cluster can
	-# span multiple datacenters.
	-cluster_name: 'eqiad'
	+cluster_name: 'Test Cluster'

	# This defines the number of tokens randomly assigned to this node on the ring
	# The more tokens, relative to other nodes, the larger the proportion of data
	@@ -24,13 +20,13 @@
	# Specifying initial_token will override this setting on the node's initial start,
	# on subsequent starts, this setting will apply even if initial token is set.
	#
	-# If you already have a cluster with 1 token per node, and wish to migrate to
	+# If you already have a cluster with 1 token per node, and wish to migrate to
	# multiple tokens per node, see http://wiki.apache.org/cassandra/Operations
	num_tokens: 256

	# initial_token allows you to specify tokens manually. While you can use # it with
	-# vnodes (num_tokens > 1, above) -- in which case you should provide a
	-# comma-separated list -- it's primarily used when adding nodes # to legacy clusters
	+# vnodes (num_tokens > 1, above) -- in which case you should provide a
	+# comma-separated list -- it's primarily used when adding nodes # to legacy clusters
	# that do not have vnodes enabled.
	# initial_token:

	@@ -66,7 +62,8 @@
	# - PasswordAuthenticator relies on username/password pairs to authenticate
	# users. It keeps usernames and hashed passwords in system_auth.credentials table.
	# Please increase system_auth keyspace replication factor if you use this authenticator.
	-authenticator: PasswordAuthenticator
	+# If using PasswordAuthenticator, CassandraRoleManager must also be used (see below)
	+authenticator: AllowAllAuthenticator

	# Authorization backend, implementing IAuthorizer; used to limit access/provide permissions
	# Out of the box, Cassandra provides org.apache.cassandra.auth.{AllowAllAuthorizer,
	@@ -75,7 +72,34 @@
	# - AllowAllAuthorizer allows any action to any user - set it to disable authorization.
	# - CassandraAuthorizer stores permissions in system_auth.permissions table. Please
	# increase system_auth keyspace replication factor if you use this authorizer.
	-authorizer: CassandraAuthorizer
	+authorizer: AllowAllAuthorizer
	+
	+# Part of the Authentication & Authorization backend, implementing IRoleManager; used
	+# to maintain grants and memberships between roles.
	+# Out of the box, Cassandra provides org.apache.cassandra.auth.CassandraRoleManager,
	+# which stores role information in the system_auth keyspace. Most functions of the
	+# IRoleManager require an authenticated login, so unless the configured IAuthenticator
	+# actually implements authentication, most of this functionality will be unavailable.
	+#
	+# - CassandraRoleManager stores role data in the system_auth keyspace. Please
	+# increase system_auth keyspace replication factor if you use this role manager.
	+role_manager: CassandraRoleManager
	+
	+# Validity period for roles cache (fetching permissions can be an
	+# expensive operation depending on the authorizer). Granted roles are cached for
	+# authenticated sessions in AuthenticatedUser and after the period specified
	+# here, become eligible for (async) reload.
	+# Defaults to 2000, set to 0 to disable.
	+# Will be disabled automatically for AllowAllAuthenticator.
	+roles_validity_in_ms: 2000
	+
	+# Refresh interval for roles cache (if enabled).
	+# After this interval, cache entries become eligible for refresh. Upon next
	+# access, an async reload is scheduled and the old value returned until it
	+# completes. If roles_validity_in_ms is non-zero, then this must be
	+# also.
	+# Defaults to the same value as roles_validity_in_ms.
	+# roles_update_interval_in_ms: 1000

	# Validity period for permissions cache (fetching permissions can be an
	# expensive operation depending on the authorizer, CassandraAuthorizer is
	@@ -83,6 +107,14 @@
	# Will be disabled automatically for AllowAllAuthorizer.
	permissions_validity_in_ms: 2000

	+# Refresh interval for permissions cache (if enabled).
	+# After this interval, cache entries become eligible for refresh. Upon next
	+# access, an async reload is scheduled and the old value returned until it
	+# completes. If permissions_validity_in_ms is non-zero, then this must be
	+# also.
	+# Defaults to the same value as permissions_validity_in_ms.
	+# permissions_update_interval_in_ms: 1000
	+
	# The partitioner is responsible for distributing groups of rows (by
	# partition key) across nodes in the cluster. You should leave this
	# alone for new clusters. The partitioner can NOT be changed without
	@@ -98,18 +130,22 @@
	# Directories where Cassandra should store data on disk. Cassandra
	# will spread data evenly across them, subject to the granularity of
	# the configured compaction strategy.
	-data_file_directories:
	- - /var/lib/cassandra/data
	-
	-# commit log
	-commitlog_directory: /var/lib/cassandra/commitlog
	+# If not set, the default directory is $CASSANDRA_HOME/data/data.
	+# data_file_directories:
	+# - /var/lib/cassandra/data
	+
	+# commit log. when running on magnetic HDD, this should be a
	+# separate spindle than the data directories.
	+# If not set, the default directory is $CASSANDRA_HOME/data/commitlog.
	+# commitlog_directory: /var/lib/cassandra/commitlog

	# policy for data disk failures:
	-# die: shut down gossip and Thrift and kill the JVM for any fs errors or
	+# die: shut down gossip and client transports and kill the JVM for any fs errors or
	# single-sstable errors, so the node can be replaced.
	-# stop_paranoid: shut down gossip and Thrift even for single-sstable errors.
	-# stop: shut down gossip and Thrift, leaving the node effectively dead, but
	-# can still be inspected via JMX.
	+# stop_paranoid: shut down gossip and client transports even for single-sstable errors,
	+# kill the JVM for errors during startup.
	+# stop: shut down gossip and client transports, leaving the node effectively dead, but
	+# can still be inspected via JMX, kill the JVM for errors during startup.
	# best_effort: stop using the failed disk and respond to requests based on
	# remaining available sstables. This means you WILL see obsolete
	# data at CL.ONE!
	@@ -137,7 +173,7 @@
	# NOTE: if you reduce the size, you may not get you hottest keys loaded on startup.
	#
	# Default value is empty to make it "auto" (min(5% of Heap (in MB), 100MB)). Set to 0 to disable key cache.
	-key_cache_size_in_mb: 400
	+key_cache_size_in_mb:

	# Duration in seconds after which Cassandra should
	# save the key cache. Caches are saved to saved_caches_directory as
	@@ -154,15 +190,25 @@
	# Disabled by default, meaning all keys are going to be saved
	# key_cache_keys_to_save: 100

	+# Row cache implementation class name.
	+# Available implementations:
	+# org.apache.cassandra.cache.OHCProvider Fully off-heap row cache implementation (default).
	+# org.apache.cassandra.cache.SerializingCacheProvider This is the row cache implementation availabile
	+# in previous releases of Cassandra.
	+# row_cache_class_name: org.apache.cassandra.cache.OHCProvider
	+
	# Maximum size of the row cache in memory.
	-# NOTE: if you reduce the size, you may not get you hottest keys loaded on startup.
	+# Please note that OHC cache implementation requires some additional off-heap memory to manage
	+# the map structures and some in-flight memory during operations before/after cache entries can be
	+# accounted against the cache capacity. This overhead is usually small compared to the whole capacity.
	+# Do not specify more memory that the system can afford in the worst usual situation and leave some
	+# headroom for OS block level cache. Do never allow your system to swap.
	#
	# Default value is 0, to disable row caching.
	-row_cache_size_in_mb: 200
	+row_cache_size_in_mb: 0

	-# Duration in seconds after which Cassandra should
	-# safe the row cache. Caches are saved to saved_caches_directory as specified
	-# in this configuration file.
	+# Duration in seconds after which Cassandra should save the row cache.
	+# Caches are saved to saved_caches_directory as specified in this configuration file.
	#
	# Saved caches greatly improve cold-start speeds, and is relatively cheap in
	# terms of I/O for the key cache. Row cache saving is much more expensive and
	@@ -171,8 +217,8 @@
	# Default is 0 to disable saving the row cache.
	row_cache_save_period: 0

	-# Number of keys from the row cache to save
	-# Disabled by default, meaning all keys are going to be saved
	+# Number of keys from the row cache to save.
	+# Specify 0 (which is the default), meaning all keys are going to be saved
	# row_cache_keys_to_save: 100

	# Maximum size of the counter cache in memory.
	@@ -201,45 +247,32 @@
	# Disabled by default, meaning all keys are going to be saved
	# counter_cache_keys_to_save: 100

	-# The off-heap memory allocator. Affects storage engine metadata as
	-# well as caches. Experiments show that JEMAlloc saves some memory
	-# than the native GCC allocator (i.e., JEMalloc is more
	-# fragmentation-resistant).
	-#
	-# Supported values are: NativeAllocator, JEMallocAllocator
	-#
	-# If you intend to use JEMallocAllocator you have to install JEMalloc as library and
	-# modify cassandra-env.sh as directed in the file.
	-#
	-# Defaults to NativeAllocator
	-memory_allocator: JEMallocAllocator
	-
	# saved caches
	-saved_caches_directory: /var/lib/cassandra/saved_caches
	+# If not set, the default directory is $CASSANDRA_HOME/data/saved_caches.
	+# saved_caches_directory: /var/lib/cassandra/saved_caches

	-# commitlog_sync may be either "periodic" or "batch."
	+# commitlog_sync 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
	-# commitlog_sync_batch_window_in_ms milliseconds for other writes, before
	-# performing the sync.
	+# has been fsynced to disk. It will wait
	+# commitlog_sync_batch_window_in_ms milliseconds between fsyncs.
	+# This window should be kept short because the writer threads will
	+# be unable to do extra work while waiting. (You may need to increase
	+# concurrent_writes for the same reason.)
	#
	# commitlog_sync: batch
	-# commitlog_sync_batch_window_in_ms: 50
	+# commitlog_sync_batch_window_in_ms: 2
	#
	# the other option is "periodic" where writes may be acked immediately
	# and the CommitLog is simply synced every commitlog_sync_period_in_ms
	-# milliseconds. By default this allows 1024*(CPU cores) pending
	-# entries on the commitlog queue. If you are writing very large blobs,
	-# you should reduce that; 16*cores works reasonably well for 1MB blobs.
	-# It should be at least as large as the concurrent_writes setting.
	+# milliseconds.
	commitlog_sync: periodic
	commitlog_sync_period_in_ms: 10000
	-# commitlog_periodic_queue_size:

	# The size of the individual commitlog file segments. A commitlog
	# segment may be archived, deleted, or recycled once all the data
	# in it (potentially from each columnfamily in the system) has been
	-# flushed to sstables.
	+# flushed to sstables.
	#
	# The default size is 32, which is almost always fine, but if you are
	# archiving commitlog segments (see commitlog_archiving.properties),
	@@ -247,10 +280,18 @@
	# is reasonable.
	commitlog_segment_size_in_mb: 32

	+# Compression to apply to the commit log. If omitted, the commit log
	+# will be written uncompressed. LZ4, Snappy, and Deflate compressors
	+# are supported.
	+#commitlog_compression:
	+# - class_name: LZ4Compressor
	+# parameters:
	+# -
	+
	# any class that implements the SeedProvider interface and has a
	# constructor that takes a Map<String, String> of parameters will do.
	seed_provider:
	- # Addresses of hosts that are deemed contact points.
	+ # 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!
	@@ -258,10 +299,8 @@
	parameters:
	# seeds is actually a comma-delimited list of addresses.
	# Ex: "<ip1>,<ip2>,<ip3>"
	- # Omit own host name / IP in multi-node clusters (see
	- # https://phabricator.wikimedia.org/T91617).
	-
	- - seeds: restbase1002.eqiad.wmnet,restbase1002-a.eqiad.wmnet,restbase1002-b.eqiad.wmnet,restbase1002-c.eqiad.wmnet,restbase1003.eqiad.wmnet,restbase1003-a.eqiad.wmnet,restbase1003-b.eqiad.wmnet,restbase1003-c.eqiad.wmnet,restbase1004.eqiad.wmnet,restbase1004-a.eqiad.wmnet,restbase1004-b.eqiad.wmnet,restbase1004-c.eqiad.wmnet,restbase1005.eqiad.wmnet,restbase1005-a.eqiad.wmnet,restbase1005-b.eqiad.wmnet,restbase1005-c.eqiad.wmnet,restbase1006.eqiad.wmnet,restbase1006-a.eqiad.wmnet,restbase1006-b.eqiad.wmnet,restbase1006-c.eqiad.wmnet,restbase1007.eqiad.wmnet,restbase1007-a.eqiad.wmnet,restbase1007-b.eqiad.wmnet,restbase1007-c.eqiad.wmnet,restbase1008.eqiad.wmnet,restbase1008-a.eqiad.wmnet,restbase1008-b.eqiad.wmnet,restbase1009.eqiad.wmnet,restbase1009-a.eqiad.wmnet,restbase1009-b.eqiad.wmnet,restbase1010.eqiad.wmnet,restbase1010-a.eqiad.wmnet,restbase1010-b.eqiad.wmnet,restbase1010-c.eqiad.wmnet,restbase1011.eqiad.wmnet,restbase1011-a.eqiad.wmnet,restbase1011-b.eqiad.wmnet,restbase1011-c.eqiad.wmnet,restbase1012.eqiad.wmnet,restbase1012-a.eqiad.wmnet,restbase1012-b.eqiad.wmnet,restbase1012-c.eqiad.wmnet,restbase1013.eqiad.wmnet,restbase1013-a.eqiad.wmnet,restbase1013-b.eqiad.wmnet,restbase1013-c.eqiad.wmnet,restbase1014.eqiad.wmnet,restbase1014-a.eqiad.wmnet,restbase1014-b.eqiad.wmnet,restbase1014-c.eqiad.wmnet,restbase1015.eqiad.wmnet,restbase1015-a.eqiad.wmnet,restbase1015-b.eqiad.wmnet,restbase1015-c.eqiad.wmnet,restbase2001.codfw.wmnet,restbase2001-a.codfw.wmnet,restbase2001-b.codfw.wmnet,restbase2001-c.codfw.wmnet,restbase2002.codfw.wmnet,restbase2002-a.codfw.wmnet,restbase2002-b.codfw.wmnet,restbase2002-c.codfw.wmnet,restbase2003.codfw.wmnet,restbase2004.codfw.wmnet,restbase2005.codfw.wmnet,restbase2006.codfw.wmnet
	+ - seeds: "127.0.0.1"
	+
	# For workloads with more data than can fit in memory, Cassandra's
	# bottleneck will be reads that need to fetch data from
	# disk. "concurrent_reads" should be set to (16 * number_of_drives) in
	@@ -273,15 +312,15 @@
	# On the other hand, since writes are almost never IO bound, the ideal
	# number of "concurrent_writes" is dependent on the number of cores in
	# your system; (8 * number_of_cores) is a good rule of thumb.
	-concurrent_reads: 18
	-concurrent_writes: 18
	+concurrent_reads: 32
	+concurrent_writes: 32
	concurrent_counter_writes: 32

	# Total memory to use for sstable-reading buffers. Defaults to
	# the smaller of 1/4 of heap or 512MB.
	# file_cache_size_in_mb: 512

	-# Total permitted memory to use for memtables. Cassandra will stop
	+# Total permitted memory to use for memtables. Cassandra will stop
	# accepting writes when the limit is exceeded until a flush completes,
	# and will trigger a flush based on memtable_cleanup_threshold
	# If omitted, Cassandra will set both to 1/4 the size of the heap.
	@@ -289,7 +328,7 @@
	# memtable_offheap_space_in_mb: 2048

	# Ratio of occupied non-flushing memtable size to total permitted size
	-# that will trigger a flush of the largest memtable. Lager mct will
	+# that will trigger a flush of the largest memtable. Larger mct will
	# mean larger flushes and hence less compaction, but also less concurrent
	# flush activity which can make it difficult to keep your disks fed
	# under heavy write load.
	@@ -302,25 +341,26 @@
	# heap_buffers: on heap nio buffers
	# offheap_buffers: off heap (direct) nio buffers
	# offheap_objects: native memory, eliminating nio buffer heap overhead
	-memtable_allocation_type: offheap_objects
	+memtable_allocation_type: heap_buffers

	-# Total space to use for commitlogs. Since commitlog segments are
	-# mmapped, and hence use up address space, the default size is 32
	-# on 32-bit JVMs, and 1024 on 64-bit JVMs.
	-#
	-# If space gets above this value (it will round up to the next nearest
	-# segment multiple), Cassandra will flush every dirty CF in the oldest
	-# segment and remove it. So a small total commitlog space will tend
	-# to cause more flush activity on less-active columnfamilies.
	-# commitlog_total_space_in_mb: 4096
	+# Total space to use for commit logs on disk.
	+#
	+# If space gets above this value, Cassandra will flush every dirty CF
	+# in the oldest segment and remove it. So a small total commitlog space
	+# will tend to cause more flush activity on less-active columnfamilies.
	+#
	+# The default value is the smaller of 8192, and 1/4 of the total space
	+# of the commitlog volume.
	+#
	+# commitlog_total_space_in_mb: 8192

	# This sets the amount of memtable flush writer threads. These will
	# be blocked by disk io, and each one will hold a memtable in memory
	-# while blocked.
	+# while blocked.
	#
	# memtable_flush_writers defaults to the smaller of (number of disks,
	# number of cores), with a minimum of 2 and a maximum of 8.
	-#
	+#
	# If your data directories are backed by SSD, you should increase this
	# to the number of cores.
	#memtable_flush_writers: 8
	@@ -344,14 +384,16 @@
	# buffers. Enable this to avoid sudden dirty buffer flushing from
	# impacting read latencies. Almost always a good idea on SSDs; not
	# necessarily on platters.
	-trickle_fsync: true
	-trickle_fsync_interval_in_kb: 30240
	+trickle_fsync: false
	+trickle_fsync_interval_in_kb: 10240

	# TCP port, for commands and data
	+# For security reasons, you should not expose this port to the internet. Firewall it if needed.
	storage_port: 7000

	# SSL port, for encrypted communication. Unused unless enabled in
	# encryption_options
	+# For security reasons, you should not expose this port to the internet. Firewall it if needed.
	ssl_storage_port: 7001

	# Address or interface to bind to and tell other Cassandra nodes to connect to.
	@@ -365,13 +407,28 @@
	# (hostname, name resolution, etc), and the Right Thing is to use the
	# address associated with the hostname (it might not be).
	#
	-# Setting this to 0.0.0.0 is always wrong.
	-listen_address: 10.64.0.220
	+# Setting listen_address to 0.0.0.0 is always wrong.
	+#
	+# If you choose to specify the interface by name and the interface has an ipv4 and an ipv6 address
	+# you can specify which should be chosen using listen_interface_prefer_ipv6. If false the first ipv4
	+# address will be used. If true the first ipv6 address will be used. Defaults to false preferring
	+# ipv4. If there is only one address it will be selected regardless of ipv4/ipv6.
	+listen_address: localhost
	+# listen_interface: eth0
	+# listen_interface_prefer_ipv6: false

	# Address to broadcast to other Cassandra nodes
	# Leaving this blank will set it to the same value as listen_address
	# broadcast_address: 1.2.3.4

	+# When using multiple physical network interfaces, set this
	+# to true to listen on broadcast_address in addition to
	+# the listen_address, allowing nodes to communicate in both
	+# interfaces.
	+# Ignore this property if the network configuration automatically
	+# routes between the public and private networks such as EC2.
	+# listen_on_broadcast_address: false
	+
	# Internode authentication backend, implementing IInternodeAuthenticator;
	# used to allow/disallow connections from peer nodes.
	# internode_authenticator: org.apache.cassandra.auth.AllowAllInternodeAuthenticator
	@@ -381,6 +438,7 @@
	# same as the rpc_address. The port however is different and specified below.
	start_native_transport: true
	# port for the CQL native transport to listen for clients on
	+# For security reasons, you should not expose this port to the internet. Firewall it if needed.
	native_transport_port: 9042
	# The maximum threads for handling requests when the native transport is used.
	# This is similar to rpc_max_threads though the default differs slightly (and
	@@ -392,6 +450,14 @@
	# be rejected as invalid. The default is 256MB.
	# native_transport_max_frame_size_in_mb: 256

	+# The maximum number of concurrent client connections.
	+# The default is -1, which means unlimited.
	+# native_transport_max_concurrent_connections: -1
	+
	+# The maximum number of concurrent client connections per source ip.
	+# The default is -1, which means unlimited.
	+# native_transport_max_concurrent_connections_per_ip: -1
	+
	# Whether to start the thrift rpc server.
	start_rpc: false

	@@ -401,13 +467,22 @@
	# Set rpc_address OR rpc_interface, not both. Interfaces must correspond
	# to a single address, IP aliasing is not supported.
	#
	-# Leaving this blank has the same effect it does for ListenAddress,
	+# Leaving rpc_address blank has the same effect as on listen_address
	# (i.e. it will be based on the configured hostname of the node).
	#
	-# Note that unlike ListenAddress above, it is allowed to specify 0.0.0.0
	-# here if you want to listen on all interfaces, but that will break clients
	-# that rely on node auto-discovery.
	-rpc_address: 10.64.0.220
	+# Note that unlike listen_address, you can specify 0.0.0.0, but you must also
	+# set broadcast_rpc_address to a value other than 0.0.0.0.
	+#
	+# For security reasons, you should not expose this port to the internet. Firewall it if needed.
	+#
	+# If you choose to specify the interface by name and the interface has an ipv4 and an ipv6 address
	+# you can specify which should be chosen using rpc_interface_prefer_ipv6. If false the first ipv4
	+# address will be used. If true the first ipv6 address will be used. Defaults to false preferring
	+# ipv4. If there is only one address it will be selected regardless of ipv4/ipv6.
	+rpc_address: localhost
	+# rpc_interface: eth1
	+# rpc_interface_prefer_ipv6: false
	+
	# port for Thrift to listen for clients on
	rpc_port: 9160

	@@ -470,7 +545,7 @@
	# internode_recv_buff_size_in_bytes:

	# Frame size for thrift (maximum message length).
	-thrift_framed_transport_size_in_mb: 256
	+thrift_framed_transport_size_in_mb: 15

	# Set to true to have Cassandra create a hard link to each sstable
	# flushed or streamed locally in a backups/ subdirectory of the
	@@ -485,7 +560,7 @@
	snapshot_before_compaction: false

	# Whether or not a snapshot is taken of the data before keyspace truncation
	-# or dropping of column families. The STRONGLY advised default of true
	+# or dropping of column families. The STRONGLY advised default of true
	# should be used to provide data safety. If you set this flag to false, you will
	# lose data on truncation or drop.
	auto_snapshot: true
	@@ -518,6 +593,9 @@
	# Caution should be taken on increasing the size of this threshold as it can lead to node instability.
	batch_size_warn_threshold_in_kb: 5

	+# Fail any batch exceeding this value. 50kb (10x warn threshold) by default.
	+batch_size_fail_threshold_in_kb: 50
	+
	# Number of simultaneous compactions to allow, NOT including
	# validation "compactions" for anti-entropy repair. Simultaneous
	# compactions can help preserve read performance in a mixed read/write
	@@ -529,10 +607,10 @@
	#
	# concurrent_compactors defaults to the smaller of (number of disks,
	# number of cores), with a minimum of 2 and a maximum of 8.
	-#
	+#
	# If your data directories are backed by SSD, you should increase this
	# to the number of cores.
	-concurrent_compactors: 10
	+#concurrent_compactors: 1

	# Throttles compaction to the given total throughput across the entire
	# system. The faster you insert data, the faster you need to compact in
	@@ -540,11 +618,14 @@
	# 16 to 32 times the rate you are inserting data is more than sufficient.
	# Setting this to 0 disables throttling. Note that this account for all types
	# of compaction, including validation compaction.
	-compaction_throughput_mb_per_sec: 60
	+compaction_throughput_mb_per_sec: 16
	+
	+# Log a warning when compacting partitions larger than this value
	+compaction_large_partition_warning_threshold_mb: 100

	# When compacting, the replacement sstable(s) can be opened before they
	# are completely written, and used in place of the prior sstables for
	-# any range that has been written. This helps to smoothly transfer reads
	+# any range that has been written. This helps to smoothly transfer reads
	# between the sstables, reducing page cache churn and keeping hot rows hot
	sstable_preemptive_open_interval_in_mb: 50

	@@ -559,7 +640,8 @@
	# this setting allows users to throttle inter dc stream throughput in addition
	# to throttling all network stream traffic as configured with
	# stream_throughput_outbound_megabits_per_sec
	-# inter_dc_stream_throughput_outbound_megabits_per_sec:
	+# When unset, the default is 200 Mbps or 25 MB/s
	+# inter_dc_stream_throughput_outbound_megabits_per_sec: 200

	# How long the coordinator should wait for read operations to complete
	read_request_timeout_in_ms: 5000
	@@ -582,7 +664,7 @@
	# Enable operation timeout information exchange between nodes to accurately
	# measure request timeouts. If disabled, replicas will assume that requests
	# were forwarded to them instantly by the coordinator, which means that
	-# under overload conditions we will waste that much extra time processing
	+# under overload conditions we will waste that much extra time processing
	# already-timed-out requests.
	#
	# Warning: before enabling this property make sure to ntp is installed
	@@ -593,8 +675,8 @@
	# When a timeout occurs during streaming, streaming is retried from the start
	# of the current file. This _can_ involve re-streaming an important amount of
	# data, so you should avoid setting the value too low.
	-# Default value is 0, which never timeout streams.
	-# streaming_socket_timeout_in_ms: 0
	+# Default value is 3600000, which means streams timeout after an hour.
	+# streaming_socket_timeout_in_ms: 3600000

	# phi value that must be reached for a host to be marked down.
	# most users should never need to adjust this.
	@@ -614,6 +696,9 @@
	# YOU MUST RUN A FULL REPAIR, SINCE THE SNITCH AFFECTS WHERE REPLICAS
	# ARE PLACED.
	#
	+# IF THE RACK A REPLICA IS PLACED IN CHANGES AFTER THE REPLICA HAS BEEN
	+# ADDED TO A RING, THE NODE MUST BE DECOMMISSIONED AND REBOOTSTRAPPED.
	+#
	# Out of the box, Cassandra provides
	# - SimpleSnitch:
	# Treats Strategy order as proximity. This can improve cache
	@@ -650,11 +735,11 @@
	#
	# You can use a custom Snitch by setting this to the full class name
	# of the snitch, which will be assumed to be on your classpath.
	-endpoint_snitch: GossipingPropertyFileSnitch
	+endpoint_snitch: SimpleSnitch

	# controls how often to perform the more expensive part of host score
	# calculation
	-dynamic_snitch_update_interval_in_ms: 100
	+dynamic_snitch_update_interval_in_ms: 100
	# controls how often to reset all host scores, allowing a bad host to
	# possibly recover
	dynamic_snitch_reset_interval_in_ms: 600000
	@@ -684,7 +769,7 @@
	# NoScheduler - Has no options
	# RoundRobin
	# - throttle_limit -- The throttle_limit is the number of in-flight
	-# requests per client. Requests beyond
	+# requests per client. Requests beyond
	# that limit are queued up until
	# running requests can complete.
	# The value of 80 here is twice the number of
	@@ -723,11 +808,11 @@
	# http://download.oracle.com/javase/6/docs/technotes/guides/security/jsse/JSSERefGuide.html#CreateKeystore
	#
	server_encryption_options:
	- internode_encryption: dc
	- keystore: /etc/cassandra/tls/server.key
	- keystore_password: placeholder
	- truststore: /etc/cassandra/tls/server.trust
	- truststore_password: placeholder
	+ internode_encryption: none
	+ keystore: conf/.keystore
	+ keystore_password: cassandra
	+ truststore: conf/.truststore
	+ truststore_password: cassandra
	# More advanced defaults below:
	# protocol: TLS
	# algorithm: SunX509
	@@ -738,12 +823,14 @@
	# enable or disable client/server encryption.
	client_encryption_options:
	enabled: false
	- keystore: /etc/cassandra/tls/client.key
	- keystore_password: placeholder
	+ # If enabled and optional is set to true encrypted and unencrypted connections are handled.
	+ optional: false
	+ keystore: conf/.keystore
	+ keystore_password: cassandra
	# require_client_auth: false
	# Set trustore and truststore_password if require_client_auth is true
	- # truststore: /etc/cassandra/tls/client.trust
	- # truststore_password: placeholder
	+ # truststore: conf/.truststore
	+ # truststore_password: cassandra
	# More advanced defaults below:
	# protocol: TLS
	# algorithm: SunX509
	@@ -763,4 +850,25 @@
	# latency if you block for cross-datacenter responses.
	inter_dc_tcp_nodelay: false

	-auto_bootstrap: true
	+# TTL for different trace types used during logging of the repair process.
	+tracetype_query_ttl: 86400
	+tracetype_repair_ttl: 604800
	+
	+# GC Pauses greater than gc_warn_threshold_in_ms will be logged at WARN level
	+# Adjust the threshold based on your application throughput requirement
	+# By default, Cassandra logs GC Pauses greater than 200 ms at INFO level
	+# gc_warn_threshold_in_ms: 1000
	+
	+# UDFs (user defined functions) are disabled by default.
	+# As of Cassandra 2.2, there is no security manager or anything else in place that
	+# prevents execution of evil code. CASSANDRA-9402 will fix this issue for Cassandra 3.0.
	+# This will inherently be backwards-incompatible with any 2.2 UDF that perform insecure
	+# operations such as opening a socket or writing to the filesystem.
	+enable_user_defined_functions: false
	+
	+# The default Windows kernel timer and scheduling resolution is 15.6ms for power conservation.
	+# Lowering this value on Windows can provide much tighter latency and better throughput, however
	+# some virtualized environments may see a negative performance impact from changing this setting
	+# below their system default. The sysinternals 'clockres' tool can confirm your system's default
	+# setting.
	+windows_timer_interval: 1

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Eevans edited the content of this paste. (Show Details)Mar 2 2016, 5:54 PM

Eevans changed the title of this paste from untitled to Masterwork From Distant Lands.

Eevans changed the title of this paste from Masterwork From Distant Lands to cassandra.yaml_prod_2.2.5.diff.Mar 2 2016, 5:54 PM

Eevans mentioned this in T126629: Cassandra 2.2.6.Mar 2 2016, 8:46 PM

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