In many cases when a storagenode fails the preflight check, it is due to
test_table existing, which is used to determine read/write capabilities
after the initial schema verification. If preflight ends early due to a
failure or stopped storagenode, it may not get the chance to drop this
table.
This change excludes test_table from the schema comparison to ensure
that it never prevents a storagenode from starting up.
It also adds Preflight DB test for storagenode.
Change-Id: Ib8e71df2e42fda3b2a364fbf7a801891c5831d39
After calling uplink.Upload it is not guaranteed that the
storage node has yet saved all the orders since it happens
asynchronously. Hence we need a separate func to wait
for them to complete.
Change-Id: I0c34b3ea6c98dbcf37f80493c0e10a8bdbbb2aaf
On satellite, remove all references to free_bandwidth column in nodes table.
On storage node, remove references to AllocatedBandwidth and MinimumBandwidth and mark as deprecated.
Protobuf message, NodeCapacity, is left intact for backwards compatibility.
Once this is released to all satellites, we can drop the column from the DB.
Change-Id: I2ff6c6537fc9008a0c5588e951afea58ede85838
When a storagenode begins to run low on capacity, we want to notify
the satellite before completely running out of space. To achieve this,
at the end of an upload request, the SN checks if its available space has
fallen below a certain threshold. If so, trigger a notification to the
satellites.
The new NotifyLowDisk method on the monitor chore is implemented using the
common/syn2.Cooldown type, which allows us to execute contact only once
within a given timeframe; avoiding hammering the satellites with requests.
This PR contains changes to the storagenode/contact package, namely moving
methods involving the actual satellite communication out of Chore and into
Service. This allows us to ping satellites from the monitor chore
Change-Id: I668455748cdc6741291b61130d8ef9feece86458
common/pb moved grpc to a separate package common/pb/pbgrpc.
This updates this repository to use it.
Change-Id: I2de2a190688871cf9cb61f7ea511f8a01e264e4e
With commit: 3331b443e7, satellite will
start calling `DeletePieces`. Therefore, we can remove the old endpoint
once the above commit is deployed with all satellites
Change-Id: I0124bc00a7cb808d119eb59f8fcd7fadf68158bb
Curently, storage nodes only report their capacity to satellites
once per hour. If a node fills up, it will fail all uploads until
the next contact cycle begins. With these changes, at the end of an
upload we check whether the MinimumDiskSpace threshold has been
passed. If so, trigger the monitor chore to update the node's
capacity, then trigger the contact chore to report the new
capacity to the satellites
Change-Id: Ie6aadaade1e2c12c87e03f8ff9059a50121380a0
this commit updates our monkit dependency to the v3 version where
it outputs in an influx style. this makes discovery much easier
as many tools are built to look at it this way.
graphite and rothko will suffer some due to no longer being a tree
based on dots. hopefully time will exist to update rothko to
index based on the new metric format.
it adds an influx output for the statreceiver so that we can
write to influxdb v1 or v2 directly.
Change-Id: Iae9f9494a6d29cfbd1f932a5e71a891b490415ff
This test checks that we are actually walking over the pieces when
starting the cache, and that it is returning expected values.
A recent outage was partially caused by the fact that this cache was
accidentally reading itself (via the pieces store, which has the cache
embedded). This test ensures that does not happen, and checks that when
the cache's `Run` method is called, the space used values are read from
disk and accurately update the cache.
Change-Id: I9ec61c4299ed06c90f79b17de3ffdbbb06bc502e
As a workaround it was set to 0 in previous release. Now according to the TOC must be set to 500GB.
Change-Id: Ia2743d49e86683396958aff51b95df743af4f872
http.FileServer relies on mime types defined in the operating system.
These values may be misconfigured, so a javascript file might
end up being served as "plain/text".
Change-Id: I3c13c8a9ac484bd765a4de0f8253bfe40dde7513
it was noticed that if you had a long lived transaction A that
was blocking some other transaction B and A was being aborted
due to retriable errors, then transaction B was never given
priority. this was due to using savepoints to do lightweight
retries.
this behavior was problematic becaue we had some queries blocked
for over 16 hours, so this commit addresses the issue with two
prongs:
1. bound the amount of time we will retry a transaction
2. create new transactions when a retry is needed
the first ensures that we never wait for 16 hours, and the value
chosen is 10 minutes. that should be long enough for an ample
amount of retries for small queries, and huge queries probably
shouldn't be retried, even if possible: it's more preferrable to
find a way to make them smaller.
the second ensures that even in the case of retries, queries that
are blocked on the aborted transaction gain priority to run.
between those two changes, the maximum stall time due to retries
should be bounded to around 10 minutes.
Change-Id: Icf898501ef505a89738820a3fae2580988f9f5f4
instead of aborting on the first error, so that we can hit all
satellites and get the best numbers we can
Change-Id: I21d5163884940612d7d39eaf73a6fac07235cd9e
We have added a bug with v0.31.7 and deploying it would kick out all the
storage nodes that are full. Easy fix is setting the requirment to 0.
That will allow them to still start up even if they are full.
Change-Id: Ie66f369952d929fcfd47f44f6e5e57eea8f51ff6
Per default our server address is listening on all IP addresses on the machine.
This caused our preflight check to fail, as it did not have an hostname to lookup.
With this change, we are fine with this and go ahead.
Change-Id: I9eb5c891c099eb35f679d6d7e79ec38bb43b619f
1 transfer with a minimum speed of 128 Bytes was a nice try but it is
way too low. Even a pi3 was able to handle 7 grpc transfers. We have 4
satellites and with 5 concurrent transfers that should be a total of 20
concurrent transfers. Each transfer will have a minimum speed of 5KB/s.
That should give us a better througput and still be Ok on a pi3.
Change-Id: I650a7baf890080901ef70ea3b5636d93009b4e60
With the v0.30.5 release we asked the storage node operators to manually
enable the preflight check while they are in front of their machine. We
didn't want to risk taking too many storage nodes offline at the same
time because of some unknow bug. The preflight check worked. We have no
negative feedback. We can now enable it by default.
Change-Id: Ic670ee52becd0b35eca84af7a0841ea983d7b19d
clock sync
Change 24h and 1h to 30m and 10m respectively for clock sync. If a
storagenode's clock is off by more than 30m for every trusted satellite,
it will not start. If it is off by more than 10m for any trusted
satellite, a warning is displayed.
Change-Id: I05ef611a30a49c1783e3b68b513745922c2f7e28
this is to help protect against intentional or unintentional
slowloris style problems where a client keeps a tcp connection
alive but never sends any data. because grpc is great, we have
to spawn a separate goroutine for every read/write to the stream
so that we can return from the server handler to cancel it if
necessary. yep. really.
additionally, we update the rpcstatus package to do some stack
trace capture and add a Wrap method for the times where we want
to just use the existing error.
also fixes a number of TODOs where we attach status codes to the
returned errors in the endpoints.
Change-Id: Id8bb8ff84aa34e0f711b0cf9bce3908b36a1d3c1
A few variables were not renamed to the new standard piecesTotal and
piecesContentSize, so it was unclear which value was being used. These
have been updated, and some comments made more thorough.
Change-Id: I363bad4dec2a8e5c54d22c3c4cd85fc3d2b3096c
This change updates the storagenode piecestore apis to expose access to
the full piece size stored on disk. Previously we only had access to
(and only kept a cache of) the content size used for all pieces. This
was inaccurate when reporting the amount of disk space used by nodes.
We now have access to the total content size, as well as the total disk
usage, of all pieces. The pieces cache also keeps a cache of the total
piece size along with the content size.
Change-Id: I4fffe7e1257e04c46021a2e37c5adc6fe69bee55
