Reduce the lock contention on tsdb.Store by taking a short lived
read-lock instead of a long write lock. Also close shards in parallel
and drop the whole RP dir in bulk instead of each shard dir.
Reduces the lock contention on the tsdb.Store by taking a short
read lock instead of a long write lock. Also processes shards
in parallel instead of serially.
Due to a bug in compactions, it's possible some blocks may have duplicate
points stored. If those blocks are decoded and re-compacted, an assertion
panic could trigger.
We now dedup those blocks if necessary to remove the duplicate points
and avoid the panic.
For larger datasets, it's possible for shards to get into a state where
many large, dense TSM files exist. While the shard is still hot for
writes, full compactions will skip these files since they are already
fairly optimized and full compactions are expensive. If the write volume
is large enough, the shard can accumulate lots of these files. When
a file is in this state, it's index can contain every series which
causes startup times to increase since each file must parse the full
set of series keys for every file. If the number of series is high,
the index can be quite large causing large amount of disk IO at startup.
To fix this, a optmize compaction is run when a full compaction planning
step decides there is nothing to do. The optimize compaction combines
and spreads the data and series keys across all files resulting in each
file containing the full series data for that shard and a subset of the
total set of keys in the shard.
This allows a shard to only store a series key once in the shard reducing
storage size as well allows a shard to only load each key once at startup.
Large files created early in the leveled compactions could cause
a shard to get into a bad state. This reworks the level planner
to handle those cases as well as splits large compactions up into
multiple groups to leverage more CPUs when possible.
* Removes sysvinit-tools as an RPM package dependency.
* Update init script to not rely on sysvinit utils for backwards
compatibility.
* Minor overall improvements to init script (improved error messages,
comments, check for root privileges).
* Adds SLES support to post-installation script.
According to the HTTP standard, a lack of authentication credentials or
incorrect authentication credentials should send back a 401
(Unauthorized) with a `WWW-Authenticate` header with a challenge that
can be used to authenticate. This is because a 401 status should be sent
when an authentication attempt can be retried by the browser.
The 403 (Forbidden) status code should be sent when authentication
succeeded, but the user does not have the necessary authorization.
Previously, the server would always send a 401 status code.
Updating the help formatting for all of the commands for consistency.
Removed tabs from the output in favor of using spaces so it is more
clear how the output is intended to look.
Truncate the time interval output of the monitor service to be on even
time intervals rather than on every minute based on the start time. This
normalizes the output from the monitor service.
Similar to #1339 .
Fix getClientVersion() on setups where the admin interface resides on some
other path than root path due to some reverse proxy setup.
Previously, it encoded the text representation of the regex literal
which included the surrounding slashes used in the query language. The
binary encoding should only include the exact string used to create the
regular expression.
Removing the data only build tag because it is no longer used. It was
previously used for building a data only node from the open source build
that could be used in clustering, but all of the RPC code was removed
since the separation was too much of a hindrance on development whenever
we found a bug.
Since the original purpose of this is now useless, there's no point in
having a confusing build tag around.
Ross McDonald
Jason Wilder
Jason Wilder
Ross McDonald
Jonathan A. Sternberg
Cory LaNou
Michael Desa
Jack Zampolin
Edd Robinson
Mikael Taina
Todd Persen