---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-9893 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 29G 127G 19% / 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 850 7922 4 23319 30774 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:3b:d7:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.219/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84922sec preferred_lft 84922sec inet6 fe80::f816:3eff:fe3b:d7f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:ba:1e:28:05:a0 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::3cba:1eff:fe28:5a0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-9893) 05/12/26 _x86_64_ (8 CPU) 07:58:12 LINUX RESTART (8 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:05 291.29 0.74 280.01 10.53 52.12 61979.87 224780.64 08:20:14 249.55 1.41 242.74 5.39 18.19 42834.55 133540.24 Average: 270.35 1.08 261.32 7.95 35.10 52375.31 179008.42 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:05 16602776 31216372 1041944 3.17 367792 14052380 1750180 5.16 5112052 10192980 4828 08:20:14 7918412 31037708 1162656 3.54 583020 21731324 1765188 5.21 9872580 13487540 104 Average: 12260594 31127040 1102300 3.35 475406 17891852 1757684 5.18 7492316 11840260 2466 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:05 lo 0.69 0.69 0.07 0.07 0.00 0.00 0.00 0.00 08:10:05 ens3 197.24 136.27 2642.63 2088.37 0.00 0.00 0.00 0.00 08:10:05 docker0 13.92 35.36 0.94 810.90 0.00 0.00 0.00 0.00 08:10:05 veth5902333 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 08:20:14 lo 0.36 0.36 0.03 0.03 0.00 0.00 0.00 0.00 08:20:14 ens3 116.18 75.84 1656.11 1613.40 0.00 0.00 0.00 0.00 08:20:14 docker0 27.99 40.99 2.18 858.31 0.00 0.00 0.00 0.00 Average: lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 156.57 105.95 2147.72 1850.09 0.00 0.00 0.00 0.00 Average: docker0 20.98 38.19 1.56 834.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-9893) 05/12/26 _x86_64_ (8 CPU) 07:58:12 LINUX RESTART (8 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:05 all 9.25 0.00 3.29 2.22 0.07 85.18 08:10:05 0 7.66 0.00 3.52 1.37 0.06 87.40 08:10:05 1 9.98 0.00 3.83 2.40 0.07 83.72 08:10:05 2 9.36 0.00 3.38 2.30 0.07 84.90 08:10:05 3 10.47 0.00 3.52 3.56 0.07 82.38 08:10:05 4 7.32 0.00 3.00 3.18 0.06 86.45 08:10:05 5 7.62 0.00 2.75 1.65 0.07 87.91 08:10:05 6 9.71 0.00 3.28 1.59 0.07 85.35 08:10:05 7 11.89 0.00 3.04 1.71 0.06 83.30 08:20:14 all 14.32 0.00 4.13 0.95 0.07 80.53 08:20:14 0 12.79 0.00 4.19 1.46 0.06 81.49 08:20:14 1 15.48 0.00 4.54 0.94 0.07 78.98 08:20:14 2 19.80 0.00 4.39 0.65 0.07 75.09 08:20:14 3 14.35 0.00 4.22 1.09 0.07 80.27 08:20:14 4 13.31 0.00 4.19 0.93 0.07 81.51 08:20:14 5 11.48 0.00 3.61 0.52 0.05 84.35 08:20:14 6 12.11 0.00 3.94 1.38 0.07 82.51 08:20:14 7 15.28 0.00 3.96 0.64 0.07 80.05 Average: all 11.79 0.00 3.71 1.58 0.07 82.85 Average: 0 10.23 0.00 3.85 1.41 0.06 84.44 Average: 1 12.73 0.00 4.19 1.67 0.07 81.34 Average: 2 14.59 0.00 3.88 1.47 0.07 79.99 Average: 3 12.41 0.00 3.87 2.33 0.07 81.32 Average: 4 10.31 0.00 3.59 2.05 0.06 83.98 Average: 5 9.55 0.00 3.18 1.08 0.06 86.13 Average: 6 10.91 0.00 3.61 1.49 0.07 83.93 Average: 7 13.59 0.00 3.50 1.17 0.06 81.67