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• questdb.conf

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site.conf.questdb.conf Maven / Gradle / Ivy

#
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#  / _ \ _   _  ___  ___| |_|  _ \| __ )
# | | | | | | |/ _ \/ __| __| | | |  _ \
# | |_| | |_| |  __/\__ \ |_| |_| | |_) |
#  \__\_\\__,_|\___||___/\__|____/|____/
#
# Configuration file
#

# IP address HTTP server will be listening on
http.ip = 0.0.0.0

# HTTP server port, defaults to 80
http.port = 9000

# Number of worker threads
http.threads = 2

# Idle connection timeout in millis
http.timeout = 15000

# Max number of simultaneous connections
# server will be refusing new connections once
# number of open sockets is above max
# New connections are allowed in once existing ones
# disconnect for three reasons:
# - idle over timeout
# - client disconnected gracefully
# - client kicked out for bad behaviour
#
# default value is 128
http.max.connections = 128

# HTTP request header buffer size
# maximum size of incoming header, requests with header larger
# than buffer can accommodate will be rejected with HTTP/431
# Consider that in cases such as Kerberos authentication,
# request headers can be quite large.
http.buf.req.header = 64K

# HTTP content buffer size
# Content buffer is allocated per connection. Its size is a trade-off
# between performance of data import and memory consumption by server
http.buf.req.content = 4M

# HTTP multipart request header size
# Usually multipart headers are quite small, so 1K should be more than enough
# In cases where multipart header is too small for the request server will return HTTP/400
http.buf.req.multipart = 1K


http.buf.resp.header = 1K
http.buf.resp.content = 1M

# Database root. This can either be relative to server home or absolute.
db.path = db

# Path to mime types file. This can also be either relative to server home or absolute.
mime.types = conf/mime.types

# Public directory for HTTP server
http.public = public

# Enable/Disable SSL on the wire
http.ssl.enabled = false

# Keystore location, server will not start if SSL is enabled and keystore is not found
# sample.ks is a demo keystore, you should change it
http.ssl.keystore.location = conf/sample.ks

http.ssl.keystore.password = changeit

# Flag to require SSL clients provide known certificates
# Useful if you would like to lock down server
http.ssl.auth = false

# Access log file (URLs only)
http.log.access = log/access.log

# Error log
http.log.error = log/error.log

# Depth of internal message queue for handling incoming requests.
# This value must be greater or equal to max number of simultanious connections and
# must be a power of 2. Non-power of two is rounded up to next power of two.
# Default value: 1024
http.queue.depth = 1024

# Size of TCP RCV buffer for non-multipart requests/uploads
# Default value: 8Kb
http.so.rcv.small = 8K

# Size of TCP RCV buffer for multipart requests, which are typically file uploads.
# Default value: 4Mb
http.so.rcv.upload = 4M

# Number of busy spin cycles around socket that is not able to either send or receive
# data. After spin count elaapses thread gives up and moves on to another task.
# Task switch has some time penalty and busy spin is an attempt to mitigate that.
# Default value: 1024 cycles
http.so.retries = 1024

# Size of memory allocation page that asof join algorithm will use for data.
# Algorithm will allocate more than one page if necesary.
# Default value: 4Mb
db.asof.datapage = 4M

# Size of memory allocation page for index part of asof join.
# Default value is 1Mb
db.asof.indexpage = 1M

# Size of memory allocation page for asof joins that can be computed
# using row ids and thus have smaller memory footprint.
# Default value is 1Mb
db.asof.rowpage = 1M

# Size of memory allocation page for "order by" algorithm's key area.
# Default value is 1Mb
db.sort.keypage = 1M

# Size of memory allocation page for "order by" algorithm's data area.
# Default value is 4Mb
db.sort.datapage = 4M

# Size of memory allocation page for aggregation and re-sampling algorithms
# Default value is 4Mb
db.aggregate.page = 4M

# Size of memory allocation page for storing keys in hash join algorithm.
# Default value is 4Mb
db.hash.keypage = 4M

# Size of memory allocation page for storing data in hash join algorithm.
# Default value is 4Mb
db.hash.datapage = 8M

# Size of memory allocation page for storing row ids in hash join algorithm.
# Default value is 4Mb
db.hash.rowpage = 1M

# Number of rows processed by internal algorithms before they check if receiving socket is
# still open. This is applicable to non-streaming algorithms, such as hashing or sorting.
# Making this value too large increases time interval between socket closed and
# thread releasing. Making it too small adds overhead of socket check making queries slower.
db.cycles.before.cancel = 1048576

# Size of memory allocation page for analytic functions
db.analytic.func.page = 2M

# Size of memory allocation page for storing data in analytic function window
db.analytic.window.page = 4M

# Page size for system views. This doesn't have to be big unless data schema is extensive.
db.sys.viewpage = 64K

# Typical size of meta2 file or slightly over. Sys views will be appreciative if this value makes sense.
db.sys.metasize = 64K

# Max size of meta2 file. Sys views will reject files over this size.
db.sys.maxmetasize = 8M