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atproto relay in zig zlay.waow.tech
relay zig atproto
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Python
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748import argparseimport jsonimport refrom pathlib import Pathimport matplotlibmatplotlib.use('Agg')import matplotlib.pyplot as plt
parser = argparse.ArgumentParser()parser.add_argument('root', type=Path)parser.add_argument('output', type=Path)a = parser.parse_args()ss = [json.loads(line) for line in (a.root / 'samples.jsonl').read_text().splitlines()]def series(pattern, key='metrics', scale=2**20): return [(s['seconds'],float(m.group(1))/scale) for s in ss if (m:=re.search(pattern,s[key] or '',re.M))]fig, axes=plt.subplots(1,3,figsize=(13,5.2))axes[0].plot(*zip(*series(r'^VmRSS:\s+(\d+)','status',1024)),color='#176d9c',linewidth=2)axes[0].set_title('Relay resident memory',loc='left')axes[0].set_ylabel('MiB RSS')for pattern,label,color in [ (r'^relay_cache_logical_bytes\{component="signing_keys"\}\s+(\S+)','Signing-key nodes + keys','#798b44'), (r'^relay_cache_logical_bytes\{component="did_uids"\}\s+(\S+)','DID/UID nodes + keys','#27857c'), (r'^relay_cache_logical_bytes\{component="host_ids"\}\s+(\S+)','Host-ID nodes + keys','#b55b25'), (r'^relay_zkv_block_cache_bytes\s+(\S+)','ZKV block-cache accounting','#8054b1'), (r'^relay_zkv_memtable_bytes\s+(\S+)','Writer memtable payload','#8c969c')]: data=series(pattern) axes[1].plot(*zip(*data),label=label,color=color,linewidth=1.7)axes[1].set_title('Measured cache components',loc='left')axes[1].set_ylabel('MiB logical/accounted bytes')axes[1].legend(frameon=False,fontsize=7,loc='upper left')axes[1].set_ylim(0,2.1)axes[2].plot(*zip(*series(r'^relay_pool_queued_bytes\s+(\S+)')),color='#b55b25',linewidth=2)axes[2].set_title('Queued frame payload',loc='left')axes[2].set_ylabel('MiB queued')for ax in axes: ax.set_xlabel('Elapsed seconds') ax.set_xlim(0,130) ax.set_ylim(bottom=0) ax.spines[['top','right']].set_visible(False) ax.grid(alpha=.15)fig.suptitle('Live relay with RAM and disk replay disabled',x=.07,ha='left',fontsize=17)fig.text(.07,.88,'2 shared CPUs / 2 GiB; default cache limits; real upstream traffic; RAM history remained at zero.',fontsize=10)fig.text(.07,.045,'Cache bytes exclude hashmap slack, allocator overhead/retention, TLS, socket buffers and stacks. Different panel scales; not an RSS decomposition.',fontsize=9)fig.subplots_adjust(left=.07,right=.98,top=.76,bottom=.21,wspace=.42)fig.savefig(a.output,facecolor='white')a.output.write_text('\n'.join(l.rstrip() for l in a.output.read_text().splitlines())+'\n')fig.savefig(a.output.with_suffix('.png'),dpi=150,facecolor='white')