blockchain/vX reactor priority was decreased because during the normal operation
(i.e. when the node is not fast syncing) blockchain priority can't be
the same as consensus reactor priority. Otherwise, it's theoretically possible to
slow down consensus by constantly requesting blocks from the node.
NOTE: ideally blockchain/vX reactor priority would be dynamic. e.g. when
the node is fast syncing, the priority is 10 (max), but when it's done
fast syncing - the priority gets decreased to 5 (only to serve blocks
for other nodes). But it's not possible now, therefore I decided to
focus on the normal operation (priority = 5).
evidence and consensus critical messages are more important than
the mempool ones, hence priorities are bumped by 1 (from 5 to 6).
statesync reactor priority was changed from 1 to 5 to be the same as
blockchain/vX priority.
Refs https://github.com/tendermint/tendermint/issues/5816
Bumps [github.com/cosmos/iavl](https://github.com/cosmos/iavl) from 0.15.2 to 0.15.3.
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<blockquote>
<h2>v0.15.3</h2>
<p><a href="257e8b9292/CHANGELOG.md (0153-december-21-2020</a></p>)
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<blockquote>
<h2>0.15.3 (December 21, 2020)</h2>
<p>Special thanks to external contributors on this release: <a href="https://github.com/odeke-em">@odeke-em</a></p>
<h3>Improvements</h3>
<ul>
<li><a href="https://github-redirect.dependabot.com/cosmos/iavl/pull/352">#352</a> Reuse buffer to improve performance of <code>GetMembershipProof()</code> and <code>GetNonMembershipProof()</code>.</li>
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<li><a href="b2dffed4b2"><code>b2dffed</code></a> convertVarIntToBytes: use reusable bytes array (<a href="https://github-redirect.dependabot.com/cosmos/iavl/issues/352">#352</a>)</li>
<li><a href="9e510e5a64"><code>9e510e5</code></a> github: run tests with 32-bit arch as well (<a href="https://github-redirect.dependabot.com/cosmos/iavl/issues/350">#350</a>)</li>
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@p4u from vocdoni.io reported that the mempool might behave incorrectly under a
high load. The consequences can range from pauses between blocks to the peers
disconnecting from this node.
My current theory is that the flowrate lib we're using to control flow
(multiplex over a single TCP connection) was not designed w/ large blobs
(1MB batch of txs) in mind.
I've tried decreasing the Mempool reactor priority, but that did not
have any visible effect. What actually worked is adding a time.Sleep
into mempool.Reactor#broadcastTxRoutine after an each successful send ==
manual control flow of sort.
As a temporary remedy (until the mempool package
is refactored), the max-batch-bytes was disabled. Transactions will be sent
one by one without batching
Closes#5796
When set to true, an invalid transaction will be kept in the cache (this may help some applications to protect against spam).
NOTE: this is a temporary config option. The more correct solution would be to add a TTL to each transaction (i.e. CheckTx may return a TTL in ResponseCheckTx).
Closes: #5751
Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.8.0 to 1.9.0.
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<h2>1.9.0 / 2020-12-17</h2>
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<li>[FEATURE] <code>NewPidFileFn</code> helper to create process collectors for processes whose PID is read from a file. <a href="https://github-redirect.dependabot.com/prometheus/client_golang/issues/804">#804</a></li>
<li>[BUGFIX] promhttp: Prevent endless loop in <code>InstrumentHandler...</code> middlewares with invalid metric or label names. <a href="https://github-redirect.dependabot.com/prometheus/client_golang/issues/823">#823</a></li>
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<li>[BUGFIX] promhttp: Prevent endless loop in <code>InstrumentHandler...</code> middlewares with invalid metric or label names. <a href="https://github-redirect.dependabot.com/prometheus/client_golang/issues/823">#823</a></li>
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<li><a href="34ca120377"><code>34ca120</code></a> Be more explicit about the multi-line properties of MultiError</li>
<li><a href="fd6d368676"><code>fd6d368</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/prometheus/client_golang/issues/819">#819</a> from jubalh/sp</li>
<li><a href="cf6dc82780"><code>cf6dc82</code></a> Correct spelling: possibilites -> possibilities</li>
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time_iota_ms is intended to ensure that an honest validator always generates timestamps
with time increasing monotonically. For this purpose, it always suffices to have this parameter
set to `1ms`. Allowing users to choose different numbers increases bug surface area.
Thus the code now ignores the user provided time_iota_ms parameter (marking it as unused),
and uses 1ms internally.
The MTU (Maximum Transmission Unit) for Ethernet is 1500 bytes.
The IP header and the TCP header take up 20 bytes each at least (unless
optional header fields are used) and thus the max for (non-Jumbo frame)
Ethernet is 1500 - 20 -20 = 1460
Source: https://stackoverflow.com/a/3074427/820520
While debugging the mempool issue (#5796), I've noticed we're spending
quite a bit of time encoding blobs of data, which never get printed! The
reason is filtering occurs on the level below, so Go runtime rightfully
evaluates function arguments.
I think it's okay to not format raw bytes.
The `NodeInfo` interface does not appear to serve any purpose at all, so I removed it and renamed the `DefaultNodeInfo` struct to `NodeInfo` (including the Protobuf representations). Let me know if this is actually needed for anything.
Only the Protobuf rename is listed in the changelog, since we do not officially support API stability of the `p2p` package (according to `README.md`). The on-wire protocol remains compatible.
This implements a new `Transport` interface and related types for the P2P refactor in #5670. Previously, `conn.MConnection` was very tightly coupled to the `Peer` implementation -- in order to allow alternative non-multiplexed transports (e.g. QUIC), MConnection has now been moved below the `Transport` interface, as `MConnTransport`, and decoupled from the peer. Since the `p2p` package is not covered by our Go API stability, this is not considered a breaking change, and not listed in the changelog.
The initial approach was to implement the new interface in its final form (which also involved possible protocol changes, see https://github.com/tendermint/spec/pull/227). However, it turned out that this would require a large amount of changes to existing P2P code because of the previous tight coupling between `Peer` and `MConnection` and the reliance on subtleties in the MConnection behavior. Instead, I have broadened the `Transport` interface to expose much of the existing MConnection interface, preserved much of the existing MConnection logic and behavior in the transport implementation, and tried to make as few changes to the rest of the P2P stack as possible. We will instead reduce this interface gradually as we refactor other parts of the P2P stack.
The low-level transport code and protocol (e.g. MConnection, SecretConnection and so on) has not been significantly changed, and refactoring this is not a priority until we come up with a plan for QUIC adoption, as we may end up discarding the MConnection code entirely.
There are no tests of the new `MConnTransport`, as this code is likely to evolve as we proceed with the P2P refactor, but tests should be added before a final release. The E2E tests are sufficient for basic validation in the meanwhile.
Closes#5766
* memoize the scSchedulerFail error to avoid printing it every scheduleFreq
* blockchain/v2: modify switchIO funcs to accept peer instead of peerID
`Makefile` used `git branch --show-current` for branch detection. This option was introduced in Git 2.22. However, the current Debian release (Buster), which is used by the `golang:1.15` Docker image, uses Git 2.20. This gives spurious errors e.g. when running the E2E tests:
```
error: unknown option `show-current'
```
This PR changes the branch detection to be compatible with Git 2.20. The behavior appears to be the same as `git branch --show-current`, both when on a branch, on a tag, and on a detached HEAD.
closes: #5770closes: #5769
also, include node ID in the output (#5769) and modify NodeKey to use
value semantics (it makes perfect sense for NodeKey to not be a
pointer).
## Description
Bump version to get performance updates:
```
benchmark old ns/op new ns/op delta
BenchmarkVerification-8 174857 78376 -55.18%
```
Closes: #XXX
Bumps [vuepress-theme-cosmos](https://github.com/cosmos/vuepress-theme-cosmos) from 1.0.177 to 1.0.178.
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