---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4126 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5600.00 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 873 14017 4 17201 30742 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:e2:58:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.86/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83816sec preferred_lft 83816sec inet6 fe80::f816:3eff:fee2:5807/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:3e:4a:0b:bd:07 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::2c3e:4aff:fe0b:bd07/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4126) 04/06/26 _x86_64_ (8 CPU) 10:45:57 LINUX RESTART (8 CPU) 10:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:43 388.36 0.41 376.88 11.07 28.49 49442.53 74539.50 11:10:01 26.35 0.39 23.56 2.39 9.46 3111.96 10527.31 11:20:02 13.62 0.51 12.45 0.66 15.12 2704.26 962.44 Average: 151.24 0.44 145.90 4.91 18.14 19503.84 30169.16 10:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:43 2028836 21237536 10917724 33.22 591152 17751920 16633276 49.05 4685060 22470052 172 11:10:01 349824 19426148 12628816 38.43 583568 17707932 18651360 55.00 4884188 23926692 60716 11:20:02 298244 18877484 13159532 40.04 575660 17245272 19113352 56.36 4755708 24122324 672 Average: 892301 19847056 12235357 37.23 583460 17568375 18132663 53.47 4774985 23506356 20520 10:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:43 lo 0.66 0.66 0.06 0.06 0.00 0.00 0.00 0.00 11:00:43 ens3 311.51 204.46 2394.45 66.16 0.00 0.00 0.00 0.00 11:00:43 docker0 18.94 34.14 1.10 639.38 0.00 0.00 0.00 0.00 11:00:43 br-392ea7275b8f 0.27 0.24 0.01 0.02 0.00 0.00 0.00 0.00 11:00:43 veth34382cb 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 11:00:43 veth5d6e4b9 8.25 8.30 4.69 1.49 0.00 0.00 0.00 0.00 11:00:43 veth6bf6e47 0.29 0.32 0.03 0.12 0.00 0.00 0.00 0.00 11:00:43 veth655badf 0.03 0.11 0.00 0.01 0.00 0.00 0.00 0.00 11:00:43 vethcb81f93 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 11:00:43 vethb8471d1 3.09 2.84 0.50 1.10 0.00 0.00 0.00 0.00 11:00:43 veth16c4e46 0.07 0.14 0.03 0.03 0.00 0.00 0.00 0.00 11:00:43 veth1334ac8 0.94 0.81 0.13 0.89 0.00 0.00 0.00 0.00 11:10:01 lo 15.33 15.33 40.26 40.26 0.00 0.00 0.00 0.00 11:10:01 ens3 10.09 8.62 30.21 1.74 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 br-392ea7275b8f 14.32 16.76 7.58 62.66 0.00 0.00 0.00 0.00 11:10:01 veth34382cb 23.64 26.06 7.27 261.80 0.00 0.00 0.00 0.02 11:10:01 veth5d6e4b9 118.62 127.21 68.27 59.74 0.00 0.00 0.00 0.01 11:10:01 veth6bf6e47 9.66 8.21 97.08 27.17 0.00 0.00 0.00 0.01 11:10:01 veth655badf 0.11 0.10 0.01 0.03 0.00 0.00 0.00 0.00 11:10:01 vethcb81f93 15.75 17.27 200.48 97.53 0.00 0.00 0.00 0.02 11:10:01 vethb8471d1 93.09 86.82 85.60 42.55 0.00 0.00 0.00 0.01 11:10:01 veth1334ac8 40.56 37.48 16.90 28.62 0.00 0.00 0.00 0.00 11:20:02 lo 38.50 38.50 183.14 183.14 0.00 0.00 0.00 0.00 11:20:02 ens3 2.91 2.38 4.29 2.27 0.00 0.00 0.00 0.00 11:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:02 br-392ea7275b8f 25.05 28.12 36.41 151.24 0.00 0.00 0.00 0.00 11:20:02 veth34382cb 31.32 34.32 36.87 219.77 0.00 0.00 0.00 0.02 11:20:02 veth5d6e4b9 74.88 81.99 60.11 29.11 0.00 0.00 0.00 0.00 11:20:02 veth6bf6e47 11.01 10.15 58.85 43.93 0.00 0.00 0.00 0.00 11:20:02 veth655badf 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:02 vethcb81f93 12.04 12.90 70.47 58.40 0.00 0.00 0.00 0.01 11:20:02 vethb8471d1 45.97 42.98 54.53 23.57 0.00 0.00 0.00 0.00 11:20:02 veth1334ac8 42.81 38.77 18.84 39.38 0.00 0.00 0.00 0.00 Average: lo 17.83 17.83 73.63 73.63 0.00 0.00 0.00 0.00 Average: ens3 115.22 76.40 864.98 24.90 0.00 0.00 0.00 0.00 Average: docker0 6.76 12.18 0.39 228.09 0.00 0.00 0.00 0.00 Average: br-392ea7275b8f 12.89 14.66 14.50 69.89 0.00 0.00 0.00 0.00 Average: veth34382cb 17.78 19.56 14.56 154.37 0.00 0.00 0.00 0.01 Average: veth5d6e4b9 64.64 69.69 42.86 28.73 0.00 0.00 0.00 0.00 Average: veth6bf6e47 6.77 6.04 49.69 23.12 0.00 0.00 0.00 0.00 Average: veth655badf 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethcb81f93 8.90 9.69 85.55 49.67 0.00 0.00 0.00 0.01 Average: vethb8471d1 45.25 42.22 44.86 21.43 0.00 0.00 0.00 0.00 Average: veth1334ac8 27.18 24.83 11.56 22.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4126) 04/06/26 _x86_64_ (8 CPU) 10:45:57 LINUX RESTART (8 CPU) 10:50:01 CPU %user %nice %system %iowait %steal %idle 11:00:43 all 28.06 0.02 3.38 0.76 0.08 67.71 11:00:43 0 25.55 0.02 3.39 0.81 0.09 70.15 11:00:43 1 27.07 0.02 3.36 0.79 0.08 68.68 11:00:43 2 30.53 0.03 3.66 0.77 0.09 64.92 11:00:43 3 25.66 0.02 3.30 0.65 0.09 70.29 11:00:43 4 29.33 0.01 3.33 0.71 0.08 66.53 11:00:43 5 29.00 0.01 3.29 0.65 0.08 66.97 11:00:43 6 29.69 0.02 3.16 0.84 0.08 66.21 11:00:43 7 27.62 0.01 3.52 0.87 0.08 67.90 11:10:01 all 10.16 0.01 1.58 0.12 0.09 88.05 11:10:01 0 9.31 0.00 1.71 0.15 0.09 88.73 11:10:01 1 9.78 0.00 1.86 0.17 0.09 88.10 11:10:01 2 11.12 0.00 1.49 0.06 0.08 87.25 11:10:01 3 9.97 0.00 1.49 0.12 0.09 88.32 11:10:01 4 10.65 0.01 1.60 0.07 0.09 87.58 11:10:01 5 10.41 0.02 1.45 0.22 0.09 87.81 11:10:01 6 9.94 0.00 1.51 0.07 0.08 88.39 11:10:01 7 10.06 0.01 1.52 0.10 0.09 88.21 11:20:02 all 8.14 0.00 1.91 0.05 0.09 89.80 11:20:02 0 7.29 0.00 1.87 0.04 0.10 90.71 11:20:02 1 8.78 0.01 2.08 0.03 0.09 89.02 11:20:02 2 8.22 0.00 2.02 0.03 0.09 89.63 11:20:02 3 8.19 0.00 1.95 0.04 0.10 89.73 11:20:02 4 8.56 0.00 1.89 0.04 0.09 89.41 11:20:02 5 7.84 0.00 1.83 0.14 0.09 90.10 11:20:02 6 8.70 0.00 1.89 0.08 0.09 89.25 11:20:02 7 7.54 0.00 1.78 0.04 0.09 90.55 Average: all 15.87 0.01 2.33 0.33 0.09 81.37 Average: 0 14.43 0.01 2.36 0.35 0.09 82.76 Average: 1 15.63 0.01 2.47 0.34 0.09 81.46 Average: 2 17.08 0.01 2.44 0.30 0.09 80.07 Average: 3 14.98 0.01 2.29 0.28 0.09 82.35 Average: 4 16.62 0.01 2.31 0.29 0.09 80.68 Average: 5 16.19 0.01 2.24 0.35 0.09 81.14 Average: 6 16.57 0.01 2.23 0.35 0.08 80.76 Average: 7 15.49 0.01 2.32 0.36 0.09 81.74