eventkit is allocating lots of heap about eventkit

[storj-gerrit]

Change eventkit: add benchmark for outgoingPacket mentions this issue.

[egonelbre]

Looks like most of the allocations happen due to needing to create flate.Writer, which contains a large 65k window:

      flat  flat%   sum%        cum   cum%
   27.71GB 79.62% 79.62%    27.71GB 79.62%  compress/flate.NewWriter C:\Program Files\Go\src\compress\flate\deflate.go:666
    3.10GB  8.91% 88.54%     3.10GB  8.91%  compress/flate.(*compressor).initDeflate C:\Program Files\Go\src\compress\flate\deflate.go:371 (inline)
    2.64GB  7.59% 96.13%     2.64GB  7.59%  compress/flate.(*compressor).initDeflate C:\Program Files\Go\src\compress\flate\deflate.go:369 (inline)
    0.40GB  1.16% 97.29%     0.44GB  1.28%  github.com/jtolio/eventkit.(*outgoingPacket).addEvent s:\dev\eventkit\client.go:134
    0.34GB  0.97% 98.25%     0.34GB  0.97%  github.com/jtolio/eventkit.(*outgoingPacket).addEvent s:\dev\eventkit\client.go:127
    0.30GB  0.85% 99.10%     0.30GB  0.85%  compress/flate.(*huffmanEncoder).generate C:\Program Files\Go\src\compress\flate\huffman_code.go:277
         0     0% 99.10%     0.37GB  1.06%  compress/flate.(*Writer).Flush C:\Program Files\Go\src\compress\flate\deflate.go:725
         0     0% 99.10%     0.30GB  0.85%  compress/flate.(*compressor).deflate C:\Program Files\Go\src\compress\flate\deflate.go:408

golang/go#32371 has some further information on it.

[storj-gerrit]

Change eventkit: use a single element zlib.Writer pool mentions this issue.

[storj-gerrit]

Change eventkit: use picobuf instead of gogo proto mentions this issue.

[storj-gerrit]

Change go.mod: bump to eventkit mentions this issue.

[storj-gerrit]

Change go.mod: bump storj.io/eventkit mentions this issue.

[storj-gerrit]

Change go.mod: bump storj.io/eventkit, uplink and private mentions this issue.

[mniewrzal]

I cannot see those allocations using latest eventkit version. Closing.