/books/distributed-services-with-go
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Hi @travisjeffery, in the Close function on page 33 it seems there is an error, after the i.mmap.Sync is called, the memory is not unmapp...
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@travisjeffery
The book in many places stands for Raft consensus algorithm being able to replicate all data across the servers. The trut...
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@travisjeffery The code in server.go is not consistent with the generated grpc code.
I see that the code in the git repo was updated, bu...
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@travisjeffery
PDF - Page 35
No need to synchronize this function? How mmap work with multiple writers?.
func (i *index) Write(off uin...
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Can I run proglog from within Intellij without too much trouble? When I try I get
Error: open : no such file or directory
I assume thi...
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On page 44:
Now add the following Append() function below setup():
“Append() function” should read “Append() method”.
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On page 42:
We test that we can append a record to a segment, read back the same record, and eventually hit the configured max size for...
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On page 40:
IsMaxed returns whether the segment has reached its max size, either by writing too much to the store or the index. If you ...
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On page 40:
Read(off uint64) returns the record for the given offset. Similar to writes, to read a record the segment must first transl...
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On page 18
These protobuf messages are equivalent to the Go structs shown earlier.
You’ll notice the two syntaxes are very similar: in...
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I’m not quite sure what’s going on here, but I’m unable to have to containers successfully complete the Readiness/Liveness checks. I’m im...
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Page 28: It implements io.ReaderAt on the store type.
Sorry if it’s a dumb question but was the io.ReaderAt supposed to be io.ReadAt?
...
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Page 72 shows implementation of the nearestMultiple function. (as per below)
func nearestMultiple(j, k uint64) uint64 {
if...
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On page 40:
Read(off uint64) returns the record for the given offset. Similar to writes, to read a record the segment must first transl...
New
On page 42:
We test that we can append a record to a segment, read back the same record, and eventually hit the configured max size for...
New
On page 40:
IsMaxed returns whether the segment has reached its max size, either by writing too much to the store or the index. If you ...
New
Hi @travisjeffery, in the Close function on page 33 it seems there is an error, after the i.mmap.Sync is called, the memory is not unmapp...
New
On page 18
These protobuf messages are equivalent to the Go structs shown earlier.
You’ll notice the two syntaxes are very similar: in...
New
On page 44:
Now add the following Append() function below setup():
“Append() function” should read “Append() method”.
New
Can I run proglog from within Intellij without too much trouble? When I try I get
Error: open : no such file or directory
I assume thi...
New
@travisjeffery
PDF - Page 35
No need to synchronize this function? How mmap work with multiple writers?.
func (i *index) Write(off uin...
New
@travisjeffery
The book in many places stands for Raft consensus algorithm being able to replicate all data across the servers. The trut...
New
@travisjeffery The code in server.go is not consistent with the generated grpc code.
I see that the code in the git repo was updated, bu...
New
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When trying to generate the protobuf .go file, I receive this error:
Unknown flag: --go_opt
libprotoc 3.12.3
MacOS 11.3.1
Googling ...
New
page 20: … protoc command…
I had to additionally run the following go get commands in order to be able to compile protobuf code using go...
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In Chapter 3, the source for index introduces Config on page 31, followed by more code including tests; Config isn’t introduced until pag...
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This test is broken right out of the box…
— FAIL: TestAgent (7.82s)
agent_test.go:77:
Error Trace: agent_test.go:77
agent_test.go:...
New
Hi Travis! Thank you for the cool book! :slight_smile:
I made a list of issues and thought I could post them chapter by chapter. I’m rev...
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Take your Go skills to the next level by learning how to design, develop, and deploy a distributed service. Start from the bare essential...
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When I attempt to go get github.com/tysonmote/gommap I get an error gommap.go:60:15: undefined: mmap_syscall. Has anyone on an M1 mac bee...
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Once deployed, I am not able to access the service outside the prolog pods. I can run the client successfully and access the service from...
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Code at the end of page for the WriteALogPackage/internal/log/segment.go
says p, err := s.store.Read(pos), should be ReadAt I think
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Hey y’all, just wanted to provide some context for removing the testing chapters from the table of contents.
For all books PragProg has ...
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Failure with Mutual TLS
Title: Distributed Services with Go (pdf page 85)
Tests fails when server attempts to use mutual TLS (setting t...
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Hey y’all,
If you got the first beta of the book and hit issues make sure you download the second beta that came out last week. The seco...
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Distributed Services With Go -
I went to SecureYourServices folder and executed make gencert. I am getting the following error.
2020/0...
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Hi,
I’m currently reading your book. By doing so, I like to rewrite the code by myself. It helps me to deeply understand how it works.
...
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When a store is closed, it just closes the files but items in the buffer are not written to file before closing. So we need an additional...
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