Tom Kaitchuck

Per the discussion here: https://github.com/tkaitchuck/aHash/pull/90 There is an issue getting smhasher to run on arm.

Take advantage of avx512 instructions when available

1

Using the instruction: https://doc.rust-lang.org/nightly/core/arch/x86_64/fn._mm512_aesdec_epi128.html It should be possible to get 4x the throughput on large strings. Note: Currently very few processors support this.

Create faster low quality hash

2

Following up on https://github.com/rust-lang/hashbrown/pull/207 It may be beneficial to have lower quality non-dos-resistant hash for cases where applications don't care about these features. It would make sense to do this...

Review

2

Review of aHash is needed both in implementation and conceptually to ensure that it actually satisfies the properties it is attempting to guarantee.

Compiler optimization

2

For whatever reason when I use `array_ref!()` and then look at the generated assembly, I can see the compiler for whatever reason is not able to elude the bounds checking...

Mention serde_bytes

1

In the Serde guide, possibly here: https://serde.rs/derive.html It should really mention `serde_bytes`: https://github.com/serde-rs/bytes as this is fairly important for performance.

**Is your feature request related to a problem? Please describe.** Some users have been requesting a new streamCut following each event they write which generates a huge number of requests....

AttributeIndexTests is flakey

1

**Problem description** ``` io.pravega.segmentstore.server.attributes.AttributeIndexTests > testConcurrentReads FAILED java.lang.AssertionError: Expected one attempt to read root page from Storage. expected: but was: at org.junit.Assert.fail(Assert.java:88) at org.junit.Assert.failNotEquals(Assert.java:834) at org.junit.Assert.assertEquals(Assert.java:645) at io.pravega.segmentstore.server.attributes.AttributeIndexTests.testConcurrentReads(AttributeIndexTests.java:591) ``` **Problem...

NPE in ServerTransportListenerImpl

1

**Describe the bug** When running the standalone it throws an NPE repeatedly when attempting to startup and shutdown. This prevents some tests from working. In particular all Integration tests for...

**Describe the bug** This is occasionally failing on github actions with the following stack trace: ``` 2022-03-04 22:21:56,555 69830 [Time-limited test] INFO o.a.b.t.BookKeeperClusterTestCase - Tearing down test testBookKeeperDisableAndEnableCommands in 340...