mmcgee-jump

Results 82 issues of mmcgee-jump

fdctl: support a rpc node topology with minimal cores used

bench: make prettier output

Add canaries to workspace allocations

2 comment

security
Priority: Medium

Switch metrics tile to do chunked response encoding, and not buffer metrics

It should just `memcpy()` the metrics out of shared memory, and then slowly write them as the connection is writable with chunked encoding.

perf
Priority: Low
telemetry

Move logging into separate tile, eliminate `write`, `fsync` calls from other tiles

1 comment

security
Priority: Low
debugging
telemetry

Assign tile workspaces to proper NUMA nodes

1 comment

Currently every workspace gets created on NUMA node 0, see `fd_topo_create_workspaces`. The `large_pages.c` step also needs to be adjusted to allocate the right number of pages on each of the...

perf
Priority: High

Get fddev/fdctl running clean under ASAN

2 comment

> Yesterday, Michael and I figured out how to run fddev/fdctl with ASAN. Here's what we had to do: > Add --param asan-stack=0 to CPPFLAGS and LDFLAGS. Otherwise it reports...

linting
build
security
Priority: Medium
operator
fdctl

fdctl: tiles specify their own run loop

fdctl

Use memfd_create and fexecve to run tiles with no memory overlap

Running the fdctl binary from disk will map certain sections of memory shared with other tiles (eg, .TEXT). We want to prevent any memory being shared at all.

security
fdctl

Do not require CAP_SYS_ADMIN to run on Linux 4.4 or newer

3 comment

BPF_OBJ_GET permissions were relaxed in 4.4 to not require CAP_SYS_ADMIN. We should do a runtime probe to determine this during the permissions step, and not require it if it's not...

enhancement
security
Priority: Medium
operator