---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2234 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 833 14520 4 16738 30791 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:47:83:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.181/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84908sec preferred_lft 84908sec inet6 fe80::f816:3eff:fe47:83d6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:e9:a1:7e:1d:69 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::4ce9:a1ff:fe7e:1d69/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2234) 03/04/26 _x86_64_ (8 CPU) 22:37:10 LINUX RESTART (8 CPU) 22:40:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:02 48.85 1.20 46.02 1.63 69.80 22536.71 30407.63 23:00:08 323.98 0.44 314.89 8.65 5.78 34571.28 48297.51 Average: 189.15 0.81 183.12 5.21 37.16 28673.42 39530.10 22:40:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:02 22197008 29792076 2500772 7.61 158804 7544604 2720152 8.02 2412292 7623244 31768 23:00:08 13267740 29765660 2443828 7.44 549460 15178512 2582764 7.62 4497172 13499192 571940 Average: 17732374 29778868 2472300 7.52 354132 11361558 2651458 7.82 3454732 10561218 301854 22:40:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:02 lo 5.14 5.14 2.07 2.07 0.00 0.00 0.00 0.00 22:50:02 ens3 76.16 59.35 1068.36 11.91 0.00 0.00 0.00 0.00 22:50:02 docker0 2.50 3.04 0.23 73.63 0.00 0.00 0.00 0.00 22:50:02 veth4a8287c 1.36 1.79 0.19 32.75 0.00 0.00 0.00 0.00 23:00:08 lo 1.12 1.12 0.25 0.25 0.00 0.00 0.00 0.00 23:00:08 ens3 139.68 104.01 2040.07 15.39 0.00 0.00 0.00 0.00 23:00:08 docker0 16.88 26.17 2.66 262.63 0.00 0.00 0.00 0.00 Average: lo 3.09 3.09 1.14 1.14 0.00 0.00 0.00 0.00 Average: ens3 108.55 82.12 1563.86 13.69 0.00 0.00 0.00 0.00 Average: docker0 9.83 14.83 1.47 170.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2234) 03/04/26 _x86_64_ (8 CPU) 22:37:10 LINUX RESTART (8 CPU) 22:40:20 CPU %user %nice %system %iowait %steal %idle 22:50:02 all 31.99 0.00 1.52 0.51 0.08 65.90 22:50:02 0 31.27 0.00 1.26 0.50 0.08 66.88 22:50:02 1 32.02 0.00 1.57 0.90 0.08 65.44 22:50:02 2 33.81 0.00 1.81 0.49 0.09 63.80 22:50:02 3 35.26 0.00 1.34 0.71 0.08 62.61 22:50:02 4 32.49 0.00 1.64 0.16 0.07 65.63 22:50:02 5 30.17 0.00 1.49 0.61 0.09 67.64 22:50:02 6 30.39 0.00 1.44 0.23 0.08 67.86 22:50:02 7 30.49 0.00 1.60 0.52 0.08 67.31 23:00:08 all 14.63 0.00 2.82 0.66 0.08 81.81 23:00:08 0 11.45 0.00 2.96 0.56 0.08 84.96 23:00:08 1 14.61 0.00 2.42 0.59 0.08 82.29 23:00:08 2 11.36 0.00 2.61 0.46 0.08 85.49 23:00:08 3 20.14 0.00 3.92 1.02 0.08 74.84 23:00:08 4 12.59 0.00 3.02 0.55 0.08 83.77 23:00:08 5 15.43 0.00 3.13 0.84 0.08 80.51 23:00:08 6 15.81 0.00 2.20 0.99 0.08 80.92 23:00:08 7 15.69 0.00 2.31 0.24 0.07 81.70 Average: all 23.15 0.00 2.18 0.59 0.08 74.00 Average: 0 21.19 0.00 2.13 0.53 0.08 76.08 Average: 1 23.15 0.00 2.00 0.74 0.08 74.02 Average: 2 22.38 0.00 2.22 0.48 0.08 74.84 Average: 3 27.57 0.00 2.65 0.86 0.08 68.83 Average: 4 22.36 0.00 2.34 0.36 0.07 74.87 Average: 5 22.66 0.00 2.33 0.73 0.08 74.20 Average: 6 22.94 0.00 1.83 0.62 0.08 74.53 Average: 7 22.94 0.00 1.96 0.38 0.08 74.64