---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1573 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 848 14468 4 16774 30775 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:f1:4d:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.179/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84725sec preferred_lft 84725sec inet6 fe80::f816:3eff:fef1:4d23/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:b5:32:32:af:1f 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::84b5:32ff:fe32:af1f/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-1573) 03/04/26 _x86_64_ (8 CPU) 14:58:30 LINUX RESTART (8 CPU) 15:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:15 18.65 2.75 15.13 0.76 128.55 4480.10 2125.15 15:20:01 205.48 0.66 196.19 8.63 42.68 45827.60 46442.92 Average: 109.79 1.73 103.46 4.60 86.66 24651.44 23745.54 15:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:15 26172208 29638220 2675572 8.14 130436 3598076 2635636 7.77 556096 5680196 305152 15:20:01 14862688 28324216 3916360 11.92 389840 12609732 3018564 8.90 4074628 12678528 84 Average: 20517448 28981218 3295966 10.03 260138 8103904 2827100 8.34 2315362 9179362 152618 15:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:15 lo 4.95 4.95 1.97 1.97 0.00 0.00 0.00 0.00 15:10:15 ens3 121.04 93.27 1358.70 18.10 0.00 0.00 0.00 0.00 15:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 0.83 0.83 0.17 0.17 0.00 0.00 0.00 0.00 15:20:01 ens3 118.65 87.86 1929.86 11.55 0.00 0.00 0.00 0.00 15:20:01 docker0 7.07 9.48 0.68 201.82 0.00 0.00 0.00 0.00 Average: lo 2.94 2.94 1.09 1.09 0.00 0.00 0.00 0.00 Average: ens3 119.87 90.63 1637.34 14.90 0.00 0.00 0.00 0.00 Average: docker0 3.45 4.63 0.33 98.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1573) 03/04/26 _x86_64_ (8 CPU) 14:58:30 LINUX RESTART (8 CPU) 15:00:00 CPU %user %nice %system %iowait %steal %idle 15:10:15 all 38.82 0.00 1.09 0.08 0.08 59.92 15:10:15 0 34.77 0.00 0.96 0.17 0.08 64.03 15:10:15 1 37.76 0.00 1.04 0.03 0.08 61.09 15:10:15 2 38.10 0.00 1.21 0.06 0.08 60.55 15:10:15 3 37.43 0.00 0.91 0.16 0.08 61.41 15:10:15 4 41.69 0.00 1.24 0.04 0.08 56.95 15:10:15 5 41.12 0.00 1.39 0.10 0.09 57.30 15:10:15 6 46.59 0.00 1.11 0.04 0.09 52.17 15:10:15 7 33.15 0.00 0.85 0.09 0.07 65.83 15:20:01 all 12.48 0.00 2.75 2.71 0.06 82.00 15:20:01 0 11.81 0.00 2.71 5.35 0.06 80.07 15:20:01 1 15.00 0.00 3.12 2.92 0.07 78.89 15:20:01 2 20.22 0.00 3.34 2.20 0.07 74.18 15:20:01 3 18.01 0.00 3.22 2.67 0.07 76.04 15:20:01 4 11.59 0.00 2.43 3.09 0.06 82.84 15:20:01 5 6.89 0.00 2.25 2.15 0.05 88.66 15:20:01 6 6.75 0.00 1.94 1.44 0.05 89.82 15:20:01 7 9.54 0.00 2.99 1.87 0.06 85.54 Average: all 26.00 0.00 1.90 1.36 0.07 70.67 Average: 0 23.58 0.00 1.81 2.69 0.07 71.84 Average: 1 26.68 0.00 2.05 1.43 0.07 69.76 Average: 2 29.39 0.00 2.25 1.10 0.08 67.19 Average: 3 27.97 0.00 2.03 1.38 0.08 68.53 Average: 4 27.04 0.00 1.82 1.52 0.07 69.55 Average: 5 24.46 0.00 1.81 1.10 0.07 72.57 Average: 6 27.17 0.00 1.52 0.72 0.07 70.52 Average: 7 21.66 0.00 1.89 0.96 0.07 75.42