---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-42598 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 696 12376 4 2917 14961 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:c1:f7:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 69195sec preferred_lft 69195sec inet6 fe80::f816:3eff:fec1:f764/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:a4:59:87:f5:45 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-42598) 08/30/26 _x86_64_ (4 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 2.10 0.19 1.91 0.01 4.84 26.90 0.39 00:20:00 1.72 0.00 1.72 0.00 0.00 18.86 0.00 00:30:02 31.46 1.44 29.62 0.39 110.80 778.73 626.11 Average: 11.79 0.54 11.11 0.13 38.66 275.64 209.50 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 13490412 15520752 492828 3.01 72780 2183088 1153876 6.62 299596 2332984 200 00:20:00 13489152 15520044 493524 3.01 73304 2183108 1153844 6.62 300128 2332880 8 00:30:02 13003940 15373336 619860 3.79 96552 2480936 1243052 7.14 359608 2730044 171320 Average: 13327835 15471377 535404 3.27 80879 2282377 1183591 6.79 319777 2465303 57176 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 00:10:00 ens3 2.58 0.31 0.54 0.24 0.00 0.00 0.00 0.00 00:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:20:00 ens3 0.96 0.11 0.14 0.04 0.00 0.00 0.00 0.00 00:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:02 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 00:30:02 ens3 23.13 17.73 151.50 8.90 0.00 0.00 0.00 0.00 00:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 8.92 6.07 50.89 3.07 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-42598) 08/30/26 _x86_64_ (4 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.24 0.00 0.02 0.01 0.00 99.72 00:10:00 0 0.02 0.00 0.02 0.01 0.00 99.95 00:10:00 1 0.02 0.00 0.02 0.00 0.00 99.96 00:10:00 2 0.92 0.00 0.03 0.01 0.00 99.03 00:10:00 3 0.02 0.00 0.02 0.03 0.00 99.93 00:20:00 all 0.03 0.00 0.02 0.01 0.00 99.94 00:20:00 0 0.01 0.00 0.01 0.01 0.00 99.97 00:20:00 1 0.02 0.00 0.02 0.01 0.00 99.96 00:20:00 2 0.07 0.00 0.03 0.00 0.00 99.90 00:20:00 3 0.01 0.00 0.02 0.02 0.00 99.95 00:30:02 all 1.83 0.00 0.22 0.19 0.00 97.76 00:30:02 0 0.57 0.00 0.11 0.01 0.00 99.30 00:30:02 1 2.23 0.00 0.39 0.47 0.00 96.91 00:30:02 2 2.93 0.00 0.22 0.23 0.00 96.61 00:30:02 3 1.61 0.00 0.14 0.03 0.00 98.21 Average: all 0.70 0.00 0.09 0.07 0.00 99.14 Average: 0 0.20 0.00 0.05 0.01 0.00 99.74 Average: 1 0.75 0.00 0.14 0.16 0.00 98.94 Average: 2 1.31 0.00 0.10 0.08 0.00 98.51 Average: 3 0.55 0.00 0.06 0.03 0.00 99.36