---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3963 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 23G 133G 15% / 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 882 14617 4 16591 30741 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:0e:b0:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.13/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84932sec preferred_lft 84932sec inet6 fe80::f816:3eff:fe0e:b0f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:54:be:b4:94:99 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::9854:beff:feb4:9499/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3963) 04/05/26 _x86_64_ (8 CPU) 14:27:29 LINUX RESTART (8 CPU) 14:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:00 30.79 1.45 28.22 1.13 99.59 20301.87 27603.35 14:50:01 313.18 0.44 303.44 9.30 6.34 35757.31 29338.56 Average: 172.21 0.94 166.04 5.22 52.89 28041.44 28472.28 14:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:00 22383896 29711864 2584964 7.87 147340 7313248 2690476 7.93 2217304 7659528 81608 14:50:01 12641472 29564152 2644632 8.05 547264 15553404 2709896 7.99 4470884 14100176 517596 Average: 17512684 29638008 2614798 7.96 347302 11433326 2700186 7.96 3344094 10879852 299602 14:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:00 lo 5.19 5.19 2.04 2.04 0.00 0.00 0.00 0.00 14:40:00 ens3 72.07 58.38 972.20 11.67 0.00 0.00 0.00 0.00 14:40:00 docker0 1.96 2.24 0.10 39.79 0.00 0.00 0.00 0.00 14:50:01 lo 1.16 1.16 0.26 0.26 0.00 0.00 0.00 0.00 14:50:01 ens3 145.19 104.77 1987.92 15.63 0.00 0.00 0.00 0.00 14:50:01 docker0 18.90 30.50 2.88 297.22 0.00 0.00 0.00 0.00 Average: lo 3.17 3.17 1.15 1.15 0.00 0.00 0.00 0.00 Average: ens3 108.68 81.61 1480.84 13.65 0.00 0.00 0.00 0.00 Average: docker0 10.45 16.39 1.49 168.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3963) 04/05/26 _x86_64_ (8 CPU) 14:27:29 LINUX RESTART (8 CPU) 14:30:01 CPU %user %nice %system %iowait %steal %idle 14:40:00 all 35.04 0.00 1.36 0.19 0.06 63.35 14:40:00 0 31.23 0.00 1.25 0.07 0.06 67.40 14:40:00 1 39.21 0.00 1.84 0.20 0.07 58.68 14:40:00 2 39.81 0.00 1.60 0.10 0.07 58.42 14:40:00 3 28.37 0.00 1.18 0.25 0.07 70.14 14:40:00 4 34.17 0.00 1.15 0.10 0.06 64.51 14:40:00 5 39.45 0.00 1.14 0.23 0.06 59.12 14:40:00 6 33.23 0.00 1.39 0.23 0.06 65.11 14:40:00 7 34.91 0.00 1.35 0.32 0.06 63.35 14:50:01 all 14.85 0.00 2.78 0.34 0.06 81.96 14:50:01 0 14.09 0.00 2.78 0.53 0.05 82.54 14:50:01 1 23.57 0.00 2.84 0.29 0.06 73.24 14:50:01 2 16.62 0.00 3.31 0.46 0.06 79.55 14:50:01 3 11.44 0.00 2.39 0.28 0.06 85.83 14:50:01 4 13.63 0.00 2.95 0.21 0.06 83.15 14:50:01 5 14.78 0.00 2.59 0.35 0.06 82.22 14:50:01 6 13.18 0.00 2.33 0.32 0.05 84.12 14:50:01 7 11.51 0.00 3.07 0.31 0.05 85.05 Average: all 24.95 0.00 2.07 0.27 0.06 72.65 Average: 0 22.67 0.00 2.01 0.30 0.06 74.96 Average: 1 31.38 0.00 2.34 0.25 0.07 65.97 Average: 2 28.22 0.00 2.46 0.28 0.06 68.99 Average: 3 19.91 0.00 1.78 0.26 0.06 77.98 Average: 4 23.90 0.00 2.05 0.16 0.06 73.83 Average: 5 27.12 0.00 1.86 0.29 0.06 70.67 Average: 6 23.22 0.00 1.86 0.27 0.05 74.60 Average: 7 23.20 0.00 2.21 0.32 0.06 74.21