---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3646 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): 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 856 14832 3 16403 30768 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:ed:15:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.100/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83563sec preferred_lft 83563sec inet6 fe80::f816:3eff:feed:1553/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:d2:51:5f:33:2a 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::d4d2:51ff:fe5f:332a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3646) 08/03/26 _x86_64_ (8 CPU) 11:48:52 LINUX RESTART (8 CPU) 11:50:35 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:00 663.24 4.82 643.76 14.66 316.21 66478.25 94914.27 12:10:01 89.28 0.40 85.87 3.01 17.79 10394.76 3936.97 12:20:21 26.74 0.23 24.64 1.87 19.10 4155.86 7877.64 12:30:08 34.91 0.62 9.47 24.81 16.79 1658.86 463359.04 Average: 196.21 1.46 183.87 10.87 88.96 19964.11 140140.04 11:50:35 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:00 9695232 27152476 5056284 15.39 555380 16100348 5220652 15.40 4656280 16890216 796 12:10:01 281884 19687924 12414164 37.78 601852 17953688 19117504 56.38 4845736 24008848 21300 12:20:21 383080 17890796 14028168 42.69 584472 16278188 21597172 63.69 4890704 23879520 13188 12:30:08 349808 17571544 14347160 43.66 584536 15997624 21881648 64.53 4847032 23949836 12576 Average: 2677501 20575685 11461444 34.88 581560 16582462 16954244 50.00 4809938 22182105 11965 11:50:35 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:00 lo 0.71 0.71 0.08 0.08 0.00 0.00 0.00 0.00 12:00:00 ens3 487.79 322.10 3587.33 88.10 0.00 0.00 0.00 0.00 12:00:00 docker0 44.21 74.00 2.84 909.33 0.00 0.00 0.00 0.00 12:10:01 lo 1.57 1.57 2.17 2.17 0.00 0.00 0.00 0.00 12:10:01 ens3 47.42 32.64 905.84 7.33 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 br-dac2af9bc609 1.51 1.67 0.47 5.12 0.00 0.00 0.00 0.00 12:10:01 veth16e744b 1.28 1.02 4.98 1.36 0.00 0.00 0.00 0.00 12:10:01 veth49e1b35 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:10:01 vethd5f3a78 2.03 2.33 0.25 22.57 0.00 0.00 0.00 0.00 12:10:01 vetha27aa12 1.43 1.73 17.55 5.00 0.00 0.00 0.00 0.00 12:10:01 vethd73dd53 73.65 78.07 36.56 37.68 0.00 0.00 0.00 0.00 12:10:01 veth059bafb 73.98 69.14 51.41 33.40 0.00 0.00 0.00 0.00 12:10:01 vetha56b522 2.23 1.76 0.30 1.74 0.00 0.00 0.00 0.00 12:20:21 lo 27.54 27.54 107.19 107.19 0.00 0.00 0.00 0.00 12:20:21 ens3 8.67 7.36 23.78 2.09 0.00 0.00 0.00 0.00 12:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:21 br-dac2af9bc609 25.89 27.97 20.03 111.69 0.00 0.00 0.00 0.00 12:20:21 veth16e744b 10.84 11.27 46.16 48.41 0.00 0.00 0.00 0.00 12:20:21 veth49e1b35 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 12:20:21 vethd5f3a78 35.81 38.06 20.10 295.19 0.00 0.00 0.00 0.02 12:20:21 vetha27aa12 18.06 17.80 185.30 46.35 0.00 0.00 0.00 0.02 12:20:21 vethd73dd53 69.05 75.24 48.29 27.21 0.00 0.00 0.00 0.00 12:20:21 veth059bafb 33.72 30.88 56.49 14.61 0.00 0.00 0.00 0.00 12:20:21 vetha56b522 47.51 43.88 20.01 35.87 0.00 0.00 0.00 0.00 12:30:08 lo 33.81 33.81 165.45 165.45 0.00 0.00 0.00 0.00 12:30:08 ens3 15.35 11.37 8.91 14.99 0.00 0.00 0.00 0.00 12:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:08 br-dac2af9bc609 29.29 29.53 34.32 132.86 0.00 0.00 0.00 0.00 12:30:08 veth16e744b 7.60 8.66 6.73 36.02 0.00 0.00 0.00 0.00 12:30:08 veth49e1b35 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:08 vethd5f3a78 33.84 34.01 34.91 167.88 0.00 0.00 0.00 0.01 12:30:08 vetha27aa12 9.43 8.36 36.47 6.32 0.00 0.00 0.00 0.00 12:30:08 vethd73dd53 62.43 68.73 49.28 22.85 0.00 0.00 0.00 0.00 12:30:08 veth059bafb 42.96 39.96 45.03 23.84 0.00 0.00 0.00 0.00 12:30:08 vetha56b522 31.44 28.21 14.01 27.67 0.00 0.00 0.00 0.00 Average: lo 16.12 16.12 69.46 69.46 0.00 0.00 0.00 0.00 Average: ens3 134.26 89.72 1092.39 27.09 0.00 0.00 0.00 0.00 Average: docker0 10.53 17.63 0.68 216.59 0.00 0.00 0.00 0.00 Average: br-dac2af9bc609 14.39 15.03 13.83 63.31 0.00 0.00 0.00 0.00 Average: veth16e744b 5.04 5.34 14.99 21.90 0.00 0.00 0.00 0.00 Average: veth49e1b35 0.03 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethd5f3a78 18.23 18.94 13.94 124.35 0.00 0.00 0.00 0.01 Average: vetha27aa12 7.41 7.16 61.89 14.94 0.00 0.00 0.00 0.01 Average: vethd73dd53 52.13 56.43 34.06 22.30 0.00 0.00 0.00 0.00 Average: veth059bafb 38.17 35.46 38.92 18.17 0.00 0.00 0.00 0.00 Average: vetha56b522 20.75 18.88 8.77 16.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3646) 08/03/26 _x86_64_ (8 CPU) 11:48:52 LINUX RESTART (8 CPU) 11:50:35 CPU %user %nice %system %iowait %steal %idle 12:00:00 all 38.81 0.00 5.63 1.21 0.10 54.26 12:00:00 0 39.23 0.00 5.24 1.22 0.10 54.21 12:00:00 1 37.56 0.00 5.57 1.33 0.10 55.44 12:00:00 2 42.75 0.00 5.88 0.79 0.10 50.48 12:00:00 3 37.94 0.00 5.36 1.04 0.09 55.57 12:00:00 4 38.55 0.00 6.04 1.00 0.10 54.32 12:00:00 5 40.57 0.00 5.61 1.30 0.09 52.41 12:00:00 6 36.81 0.00 5.79 1.33 0.09 55.97 12:00:00 7 37.10 0.00 5.54 1.63 0.09 55.64 12:10:01 all 10.64 0.02 1.42 0.27 0.07 87.58 12:10:01 0 9.92 0.04 1.58 0.13 0.06 88.26 12:10:01 1 10.53 0.01 1.66 0.53 0.07 87.20 12:10:01 2 11.07 0.03 1.44 0.23 0.06 87.17 12:10:01 3 10.70 0.01 1.27 0.15 0.07 87.80 12:10:01 4 11.21 0.00 1.40 0.14 0.06 87.19 12:10:01 5 11.21 0.02 1.35 0.39 0.07 86.96 12:10:01 6 9.74 0.02 1.33 0.44 0.07 88.41 12:10:01 7 10.79 0.03 1.29 0.14 0.07 87.69 12:20:21 all 9.46 0.01 2.11 0.13 0.09 88.22 12:20:21 0 9.16 0.01 2.55 0.23 0.08 87.96 12:20:21 1 9.96 0.01 2.35 0.13 0.09 87.47 12:20:21 2 9.50 0.01 2.12 0.07 0.09 88.21 12:20:21 3 9.62 0.00 2.05 0.12 0.09 88.12 12:20:21 4 10.31 0.00 2.07 0.06 0.09 87.47 12:20:21 5 9.78 0.00 1.97 0.27 0.09 87.89 12:20:21 6 8.91 0.00 1.85 0.03 0.09 89.11 12:20:21 7 8.41 0.00 1.91 0.09 0.09 89.49 12:30:08 all 7.47 0.00 1.99 0.06 0.09 90.38 12:30:08 0 7.08 0.00 2.46 0.03 0.09 90.34 12:30:08 1 7.56 0.00 2.19 0.11 0.09 90.04 12:30:08 2 8.25 0.00 2.01 0.16 0.09 89.50 12:30:08 3 7.44 0.00 1.97 0.03 0.09 90.47 12:30:08 4 7.54 0.00 1.94 0.05 0.09 90.38 12:30:08 5 7.12 0.00 1.70 0.01 0.09 91.08 12:30:08 6 7.32 0.00 1.95 0.06 0.09 90.58 12:30:08 7 7.48 0.00 1.71 0.04 0.09 90.68 Average: all 16.25 0.01 2.74 0.40 0.08 80.51 Average: 0 15.99 0.01 2.92 0.39 0.08 80.60 Average: 1 16.07 0.01 2.90 0.51 0.09 80.42 Average: 2 17.49 0.01 2.81 0.30 0.08 79.30 Average: 3 16.09 0.00 2.62 0.32 0.08 80.88 Average: 4 16.57 0.00 2.81 0.30 0.08 80.23 Average: 5 16.81 0.01 2.61 0.48 0.08 80.00 Average: 6 15.38 0.00 2.68 0.45 0.09 81.40 Average: 7 15.61 0.01 2.57 0.46 0.08 81.27