---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4517 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 18G 138G 12% / 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 925 19947 4 11220 30699 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:36:72:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.96/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84617sec preferred_lft 84617sec inet6 fe80::f816:3eff:fe36:7227/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:a9:aa:56:d6:0c 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4517) 03/24/26 _x86_64_ (8 CPU) 13:57:18 LINUX RESTART (8 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:02 265.08 1.17 259.24 4.67 29.99 17509.63 8107.72 14:20:00 8.88 0.22 7.58 1.07 2.66 750.74 306.66 Average: 137.22 0.70 133.65 2.87 16.35 9146.12 4214.61 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:02 15616360 24300456 7946508 24.18 465884 7775356 10744168 31.68 1489188 14557516 504 14:20:00 15709724 24792628 7448744 22.67 473668 8137784 14158120 41.75 1567324 14352532 218324 Average: 15663042 24546542 7697626 23.42 469776 7956570 12451144 36.72 1528256 14455024 109414 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:02 lo 1.59 1.59 0.96 0.96 0.00 0.00 0.00 0.00 14:10:02 ens3 303.06 177.69 994.82 67.49 0.00 0.00 0.00 0.00 14:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 5.88 5.88 0.98 0.98 0.00 0.00 0.00 0.00 14:20:00 ens3 113.01 65.24 89.81 37.07 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.73 3.73 0.97 0.97 0.00 0.00 0.00 0.00 Average: ens3 208.22 121.57 543.17 52.31 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4517) 03/24/26 _x86_64_ (8 CPU) 13:57:18 LINUX RESTART (8 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:02 all 72.31 0.00 3.60 0.29 0.11 23.70 14:10:02 0 72.85 0.00 3.57 0.25 0.10 23.23 14:10:02 1 73.19 0.00 3.68 0.21 0.10 22.82 14:10:02 2 72.09 0.00 3.67 0.30 0.11 23.83 14:10:02 3 70.56 0.00 3.84 0.33 0.11 25.17 14:10:02 4 72.03 0.00 3.82 0.46 0.11 23.59 14:10:02 5 71.91 0.00 3.44 0.20 0.10 24.35 14:10:02 6 72.96 0.00 3.57 0.49 0.11 22.87 14:10:02 7 72.89 0.00 3.20 0.07 0.10 23.74 14:20:00 all 96.64 0.00 3.19 0.00 0.11 0.06 14:20:00 0 96.64 0.00 3.18 0.00 0.11 0.06 14:20:00 1 96.73 0.00 3.10 0.00 0.11 0.06 14:20:00 2 96.47 0.00 3.37 0.00 0.11 0.05 14:20:00 3 96.64 0.00 3.20 0.00 0.11 0.05 14:20:00 4 96.71 0.00 3.11 0.00 0.11 0.06 14:20:00 5 96.75 0.00 3.09 0.00 0.11 0.06 14:20:00 6 96.58 0.00 3.21 0.00 0.12 0.09 14:20:00 7 96.57 0.00 3.26 0.00 0.11 0.06 Average: all 84.48 0.00 3.39 0.14 0.11 11.88 Average: 0 84.74 0.00 3.37 0.13 0.11 11.66 Average: 1 84.96 0.00 3.39 0.10 0.11 11.44 Average: 2 84.28 0.00 3.52 0.15 0.11 11.93 Average: 3 83.61 0.00 3.52 0.16 0.11 12.60 Average: 4 84.38 0.00 3.46 0.23 0.11 11.82 Average: 5 84.33 0.00 3.27 0.10 0.10 12.20 Average: 6 84.77 0.00 3.39 0.24 0.11 11.48 Average: 7 84.72 0.00 3.23 0.03 0.11 11.90