---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-9229 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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): 8 On-line CPU(s) list: 0-7 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): 8 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 nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 25G 131G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 1011 12052 4 19028 30613 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:2b:7e:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.206/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84427sec preferred_lft 84427sec inet6 fe80::f816:3eff:fe2b:7eae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:fc:ed:22:8a:71 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 inet6 fe80::4fc:edff:fe22:8a71/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-9229) 07/12/26 _x86_64_ (8 CPU) 09:21:21 LINUX RESTART (8 CPU) 09:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:11 172.32 0.30 165.61 6.41 14.70 28606.71 25713.40 09:50:11 36.74 0.11 11.44 25.19 4.06 484.21 452816.00 Average: 104.77 0.20 88.80 15.77 9.40 14595.39 238506.40 09:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:11 1713544 21247992 10904992 33.18 597292 18041892 16787176 49.50 4778304 22674652 892 09:50:11 482384 20119548 12031616 36.61 597928 18139540 17893040 52.76 4829828 23832712 1052 Average: 1097964 20683770 11468304 34.90 597610 18090716 17340108 51.13 4804066 23253682 972 09:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:11 lo 0.57 0.57 0.04 0.04 0.00 0.00 0.00 0.00 09:40:11 ens3 104.21 72.43 1458.14 18.43 0.00 0.00 0.00 0.00 09:40:11 docker0 9.77 18.27 0.57 344.52 0.00 0.00 0.00 0.00 09:40:11 br-3ff02f841dc3 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 09:40:11 veth8e3332a 0.41 0.40 0.05 0.21 0.00 0.00 0.00 0.00 09:40:11 veth28a452c 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:40:11 vethc99eb14 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:40:11 veth0830ab5 46.75 48.88 17.53 21.89 0.00 0.00 0.00 0.00 09:40:11 vethbf19359 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 09:40:11 vethb12e2d4 44.35 41.89 29.61 14.13 0.00 0.00 0.00 0.00 09:40:11 veth5b88382 0.64 1.14 0.76 8.71 0.00 0.00 0.00 0.00 09:40:11 veth93feba0 1.72 1.38 0.23 1.41 0.00 0.00 0.00 0.00 09:50:11 lo 8.65 8.65 38.69 38.69 0.00 0.00 0.00 0.00 09:50:11 ens3 13.70 9.95 5.12 4.73 0.00 0.00 0.00 0.00 09:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:11 br-3ff02f841dc3 4.78 4.48 37.75 1.03 0.00 0.00 0.00 0.00 09:50:11 veth8e3332a 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 09:50:11 veth28a452c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:11 vethc99eb14 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 09:50:11 veth0830ab5 318.68 343.62 255.58 156.48 0.00 0.00 0.00 0.02 09:50:11 vethbf19359 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:11 vethb12e2d4 121.42 112.12 96.21 74.29 0.00 0.00 0.00 0.01 09:50:11 veth93feba0 230.34 214.33 105.61 185.40 0.00 0.00 0.00 0.02 Average: lo 4.59 4.59 19.30 19.30 0.00 0.00 0.00 0.00 Average: ens3 59.12 41.30 734.21 11.61 0.00 0.00 0.00 0.00 Average: docker0 4.90 9.17 0.29 172.87 0.00 0.00 0.00 0.00 Average: br-3ff02f841dc3 2.53 2.36 18.81 0.52 0.00 0.00 0.00 0.00 Average: veth8e3332a 0.40 0.30 0.06 0.28 0.00 0.00 0.00 0.00 Average: veth28a452c 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethc99eb14 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth0830ab5 182.23 195.73 136.13 88.95 0.00 0.00 0.00 0.01 Average: vethbf19359 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethb12e2d4 82.75 76.88 62.79 44.10 0.00 0.00 0.00 0.01 Average: veth93feba0 115.62 107.48 52.73 93.07 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-9229) 07/12/26 _x86_64_ (8 CPU) 09:21:21 LINUX RESTART (8 CPU) 09:30:06 CPU %user %nice %system %iowait %steal %idle 09:40:11 all 12.55 0.02 2.41 0.53 0.07 84.42 09:40:11 0 11.88 0.01 2.41 0.47 0.07 85.16 09:40:11 1 13.93 0.03 2.77 0.43 0.07 82.76 09:40:11 2 11.04 0.02 2.34 0.48 0.06 86.06 09:40:11 3 12.03 0.04 2.35 0.47 0.08 85.03 09:40:11 4 14.22 0.03 2.25 0.28 0.08 83.15 09:40:11 5 12.25 0.02 2.48 0.88 0.07 84.30 09:40:11 6 12.69 0.03 2.41 0.87 0.07 83.93 09:40:11 7 12.35 0.02 2.27 0.36 0.06 84.94 09:50:11 all 7.66 0.00 1.35 0.09 0.07 90.83 09:50:11 0 8.88 0.00 1.45 0.02 0.07 89.58 09:50:11 1 8.15 0.00 1.51 0.05 0.07 90.22 09:50:11 2 7.70 0.00 1.49 0.04 0.08 90.70 09:50:11 3 8.26 0.00 1.37 0.14 0.07 90.16 09:50:11 4 7.17 0.00 1.26 0.28 0.08 91.20 09:50:11 5 6.76 0.00 1.34 0.08 0.07 91.74 09:50:11 6 7.47 0.00 1.24 0.06 0.07 91.16 09:50:11 7 6.92 0.00 1.12 0.02 0.06 91.87 Average: all 10.12 0.01 1.88 0.31 0.07 87.61 Average: 0 10.39 0.01 1.93 0.25 0.07 87.35 Average: 1 11.06 0.01 2.14 0.24 0.07 86.47 Average: 2 9.38 0.01 1.92 0.26 0.07 88.37 Average: 3 10.16 0.02 1.86 0.31 0.07 87.58 Average: 4 10.72 0.01 1.76 0.28 0.08 87.15 Average: 5 9.53 0.01 1.91 0.48 0.07 88.00 Average: 6 10.10 0.01 1.83 0.47 0.07 87.52 Average: 7 9.65 0.01 1.70 0.19 0.06 88.39