---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4299 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: 5599.94 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 12358 4 18722 30612 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:5d:9b:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.27/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84538sec preferred_lft 84538sec inet6 fe80::f816:3eff:fe5d:9b4b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:08:55:ce:75:38 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::8:55ff:fece:7538/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4299) 04/07/26 _x86_64_ (8 CPU) 06:24:38 LINUX RESTART (8 CPU) 06:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:05 292.33 0.49 280.84 11.00 24.12 47916.32 70249.12 06:50:01 9.84 0.12 9.44 0.28 5.15 415.25 2110.37 Average: 152.30 0.31 146.31 5.69 14.71 24370.47 36473.35 06:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:05 1628148 20840028 11315068 34.43 592180 17752884 17080180 50.37 4691136 22884340 1336 06:50:01 385540 19677236 12476676 37.97 592628 17827892 18065828 53.27 4733748 24068848 500 Average: 1006844 20258632 11895872 36.20 592404 17790388 17573004 51.82 4712442 23476594 918 06:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:05 lo 0.65 0.65 0.09 0.09 0.00 0.00 0.00 0.00 06:40:05 ens3 308.46 178.87 2444.25 55.98 0.00 0.00 0.00 0.00 06:40:05 docker0 19.72 33.62 1.12 669.81 0.00 0.00 0.00 0.00 06:40:05 br-ea33c9ee57e0 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 06:40:05 veth11fa769 19.27 19.27 6.13 5.08 0.00 0.00 0.00 0.00 06:40:05 vethcde879f 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 06:40:05 vethdb1c770 0.32 0.35 0.03 0.13 0.00 0.00 0.00 0.00 06:40:05 veth200bc5d 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 06:40:05 vethcc937ba 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 06:40:05 veth37d17db 13.89 13.77 5.07 2.57 0.00 0.00 0.00 0.00 06:40:05 veth0d55bd7 0.18 0.26 0.29 1.06 0.00 0.00 0.00 0.00 06:40:05 vethbffcef9 1.08 0.92 0.15 1.00 0.00 0.00 0.00 0.00 06:50:01 lo 6.91 6.91 33.08 33.08 0.00 0.00 0.00 0.00 06:50:01 ens3 14.19 8.29 4.34 3.95 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 br-ea33c9ee57e0 3.77 3.63 32.22 0.83 0.00 0.00 0.00 0.00 06:50:01 veth11fa769 282.25 304.50 221.71 144.23 0.00 0.00 0.00 0.02 06:50:01 vethcde879f 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 06:50:01 vethdb1c770 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 06:50:01 veth200bc5d 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 vethcc937ba 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 veth37d17db 125.72 115.61 106.60 71.78 0.00 0.00 0.00 0.01 06:50:01 vethbffcef9 186.68 173.95 84.69 153.77 0.00 0.00 0.00 0.01 Average: lo 3.75 3.75 16.45 16.45 0.00 0.00 0.00 0.00 Average: ens3 162.59 94.31 1234.81 30.19 0.00 0.00 0.00 0.00 Average: docker0 9.94 16.95 0.57 337.79 0.00 0.00 0.00 0.00 Average: br-ea33c9ee57e0 2.01 1.93 15.97 0.42 0.00 0.00 0.00 0.00 Average: veth11fa769 149.63 160.66 112.99 74.06 0.00 0.00 0.00 0.01 Average: vethcde879f 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vethdb1c770 0.36 0.28 0.05 0.24 0.00 0.00 0.00 0.00 Average: veth200bc5d 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethcc937ba 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth37d17db 69.33 64.25 55.40 36.88 0.00 0.00 0.00 0.00 Average: vethbffcef9 93.08 86.69 42.05 76.73 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4299) 04/07/26 _x86_64_ (8 CPU) 06:24:38 LINUX RESTART (8 CPU) 06:30:00 CPU %user %nice %system %iowait %steal %idle 06:40:05 all 23.66 0.02 3.22 0.94 0.07 72.10 06:40:05 0 22.76 0.02 3.12 0.56 0.08 73.46 06:40:05 1 22.76 0.01 3.38 1.42 0.08 72.36 06:40:05 2 24.00 0.02 3.04 0.87 0.08 71.99 06:40:05 3 24.44 0.02 3.31 1.07 0.07 71.08 06:40:05 4 23.13 0.02 3.00 1.05 0.06 72.74 06:40:05 5 25.63 0.02 3.35 0.87 0.08 70.06 06:40:05 6 21.83 0.02 3.29 0.79 0.08 73.99 06:40:05 7 24.71 0.02 3.26 0.86 0.07 71.08 06:50:01 all 7.40 0.00 1.09 0.71 0.08 90.72 06:50:01 0 6.91 0.00 1.08 0.07 0.07 91.88 06:50:01 1 7.50 0.00 1.33 0.03 0.08 91.06 06:50:01 2 6.63 0.00 1.06 0.05 0.08 92.18 06:50:01 3 8.11 0.00 1.03 3.49 0.08 87.28 06:50:01 4 7.19 0.00 1.11 0.99 0.07 90.63 06:50:01 5 7.39 0.00 1.03 0.32 0.07 91.19 06:50:01 6 6.86 0.00 1.05 0.72 0.08 91.29 06:50:01 7 8.63 0.00 1.02 0.02 0.08 90.25 Average: all 15.61 0.01 2.16 0.83 0.08 81.31 Average: 0 14.92 0.01 2.11 0.31 0.07 82.57 Average: 1 15.22 0.01 2.37 0.73 0.08 81.60 Average: 2 15.39 0.01 2.06 0.47 0.08 82.00 Average: 3 16.35 0.01 2.18 2.27 0.08 79.11 Average: 4 15.25 0.01 2.07 1.02 0.07 81.58 Average: 5 16.61 0.01 2.20 0.60 0.07 80.51 Average: 6 14.43 0.01 2.18 0.76 0.08 82.55 Average: 7 16.75 0.01 2.15 0.44 0.07 80.57