---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4272 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: 5599.99 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 855 12393 4 18843 30769 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:09:6a:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.243/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84493sec preferred_lft 84493sec inet6 fe80::f816:3eff:fe09:6a74/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:a0:05:02:63:6a 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::34a0:5ff:fe02:636a/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-4272) 03/23/26 _x86_64_ (8 CPU) 14:54:09 LINUX RESTART (8 CPU) 15:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:01 250.74 0.48 241.86 8.41 22.90 44471.56 70434.74 15:20:01 7.69 0.12 7.27 0.30 5.12 381.92 2681.00 Average: 129.29 0.30 124.64 4.36 14.02 22440.51 36579.03 15:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:01 2198244 21540012 10614508 32.30 593860 17883848 16328884 48.15 4819788 22182772 304 15:20:01 900800 20324860 11828436 35.99 594460 17960980 17251048 50.87 4862540 23410668 2040 Average: 1549522 20932436 11221472 34.15 594160 17922414 16789966 49.51 4841164 22796720 1172 15:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:01 lo 0.59 0.59 0.05 0.05 0.00 0.00 0.00 0.00 15:10:01 ens3 329.90 195.62 2308.95 70.70 0.00 0.00 0.00 0.00 15:10:01 docker0 18.63 32.57 1.06 629.70 0.00 0.00 0.00 0.00 15:10:01 br-e8fe0e28ebe9 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 15:10:01 vethc76d1c5 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 15:10:01 veth550ea23 0.34 0.36 0.03 0.15 0.00 0.00 0.00 0.00 15:10:01 veth2703b53 25.06 24.66 7.42 6.05 0.00 0.00 0.00 0.00 15:10:01 vethcd34056 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 15:10:01 veth3db9373 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 15:10:01 veth46c5b01 19.44 19.74 6.10 3.81 0.00 0.00 0.00 0.00 15:10:01 veth0e0f625 0.19 0.28 0.32 1.11 0.00 0.00 0.00 0.00 15:10:01 veth2a8af38 1.17 0.98 0.16 1.06 0.00 0.00 0.00 0.00 15:20:01 lo 7.21 7.21 34.83 34.83 0.00 0.00 0.00 0.00 15:20:01 ens3 13.69 8.12 5.06 4.69 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 br-e8fe0e28ebe9 3.90 3.79 34.06 0.85 0.00 0.00 0.00 0.00 15:20:01 vethc76d1c5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 veth550ea23 0.40 0.21 0.07 0.35 0.00 0.00 0.00 0.00 15:20:01 veth2703b53 282.30 304.83 222.03 145.57 0.00 0.00 0.00 0.02 15:20:01 vethcd34056 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 15:20:01 veth3db9373 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 veth46c5b01 125.88 115.74 108.87 72.86 0.00 0.00 0.00 0.01 15:20:01 veth2a8af38 186.97 174.09 85.53 153.06 0.00 0.00 0.00 0.01 Average: lo 3.90 3.90 17.43 17.43 0.00 0.00 0.00 0.00 Average: ens3 171.90 101.93 1157.72 37.71 0.00 0.00 0.00 0.00 Average: docker0 9.32 16.30 0.53 315.05 0.00 0.00 0.00 0.00 Average: br-e8fe0e28ebe9 2.10 2.02 17.02 0.43 0.00 0.00 0.00 0.00 Average: vethc76d1c5 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth550ea23 0.37 0.28 0.05 0.25 0.00 0.00 0.00 0.00 Average: veth2703b53 153.60 164.66 114.66 75.77 0.00 0.00 0.00 0.01 Average: vethcd34056 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth3db9373 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth46c5b01 72.62 67.71 57.46 38.31 0.00 0.00 0.00 0.00 Average: veth2a8af38 94.01 87.48 42.82 77.01 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4272) 03/23/26 _x86_64_ (8 CPU) 14:54:09 LINUX RESTART (8 CPU) 15:00:00 CPU %user %nice %system %iowait %steal %idle 15:10:01 all 21.20 0.02 2.97 0.87 0.07 74.87 15:10:01 0 21.06 0.01 2.77 0.83 0.08 75.25 15:10:01 1 19.79 0.02 3.71 1.09 0.07 75.32 15:10:01 2 22.13 0.05 3.35 0.81 0.08 73.59 15:10:01 3 19.27 0.04 2.63 1.00 0.07 76.98 15:10:01 4 23.98 0.02 3.00 0.85 0.07 72.07 15:10:01 5 22.68 0.03 2.76 0.57 0.07 73.88 15:10:01 6 18.49 0.01 2.49 0.51 0.07 78.42 15:10:01 7 22.15 0.01 3.05 1.30 0.07 73.42 15:20:01 all 7.84 0.00 1.27 0.13 0.09 90.67 15:20:01 0 6.58 0.00 1.36 0.02 0.07 91.97 15:20:01 1 8.01 0.00 1.38 0.59 0.08 89.94 15:20:01 2 8.15 0.00 1.30 0.22 0.07 90.25 15:20:01 3 8.88 0.00 1.26 0.12 0.08 89.64 15:20:01 4 7.67 0.00 1.09 0.03 0.08 91.13 15:20:01 5 7.18 0.00 1.35 0.03 0.09 91.35 15:20:01 6 7.60 0.00 1.17 0.03 0.07 91.14 15:20:01 7 8.68 0.00 1.25 0.02 0.13 89.92 Average: all 14.54 0.01 2.12 0.50 0.08 82.74 Average: 0 13.84 0.01 2.06 0.43 0.07 83.59 Average: 1 13.91 0.01 2.55 0.84 0.07 82.62 Average: 2 15.17 0.02 2.33 0.52 0.07 81.89 Average: 3 14.10 0.02 1.95 0.56 0.08 83.29 Average: 4 15.85 0.01 2.05 0.44 0.08 81.57 Average: 5 14.96 0.01 2.06 0.30 0.08 82.59 Average: 6 13.07 0.01 1.83 0.27 0.07 84.75 Average: 7 15.44 0.01 2.15 0.66 0.10 81.65