---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1801 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: 5600.00 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 877 14729 4 16485 30747 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:a0:44:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.58/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84793sec preferred_lft 84793sec inet6 fe80::f816:3eff:fea0:4476/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:41:c7:93:44:f9 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::ac41:c7ff:fe93:44f9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1801) 04/15/26 _x86_64_ (8 CPU) 07:37:42 LINUX RESTART (8 CPU) 07:40:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:12 24.69 1.67 22.34 0.68 111.07 14095.46 6550.83 08:00:12 228.98 0.44 204.48 24.07 7.40 34731.97 646048.74 Average: 126.88 1.05 113.45 12.38 59.21 24418.36 326443.65 07:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:12 22907296 29851080 2446872 7.45 141632 6935284 2576084 7.60 1345364 8020576 332 08:00:12 14292676 29707584 2517936 7.66 433816 14340836 2605692 7.68 4193744 12929940 1276388 Average: 18599986 29779332 2482404 7.55 287724 10638060 2590888 7.64 2769554 10475258 638360 07:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:12 lo 5.33 5.33 2.03 2.03 0.00 0.00 0.00 0.00 07:50:12 ens3 77.90 60.59 896.22 12.17 0.00 0.00 0.00 0.00 07:50:12 docker0 1.63 1.97 0.09 39.73 0.00 0.00 0.00 0.00 08:00:12 lo 1.16 1.16 0.25 0.25 0.00 0.00 0.00 0.00 08:00:12 ens3 130.89 100.55 1924.61 14.41 0.00 0.00 0.00 0.00 08:00:12 docker0 6.27 9.51 0.63 157.82 0.00 0.00 0.00 0.00 Average: lo 3.24 3.24 1.14 1.14 0.00 0.00 0.00 0.00 Average: ens3 104.41 80.58 1410.64 13.29 0.00 0.00 0.00 0.00 Average: docker0 3.95 5.74 0.36 98.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1801) 04/15/26 _x86_64_ (8 CPU) 07:37:42 LINUX RESTART (8 CPU) 07:40:12 CPU %user %nice %system %iowait %steal %idle 07:50:12 all 36.34 0.00 1.24 0.12 0.07 62.24 07:50:12 0 38.24 0.00 1.40 0.24 0.08 60.04 07:50:12 1 40.38 0.00 1.37 0.14 0.08 58.04 07:50:12 2 41.71 0.00 1.64 0.07 0.08 56.50 07:50:12 3 36.64 0.00 1.27 0.14 0.08 61.87 07:50:12 4 36.37 0.00 0.99 0.13 0.07 62.44 07:50:12 5 33.68 0.00 1.25 0.02 0.07 64.98 07:50:12 6 32.82 0.00 0.96 0.09 0.07 66.07 07:50:12 7 30.87 0.00 1.02 0.11 0.06 67.94 08:00:12 all 14.12 0.00 2.72 0.83 0.06 82.27 08:00:12 0 12.66 0.00 2.04 2.14 0.07 83.10 08:00:12 1 12.57 0.00 2.50 0.31 0.06 84.57 08:00:12 2 10.41 0.00 2.78 0.70 0.06 86.06 08:00:12 3 20.87 0.00 3.48 0.90 0.08 74.66 08:00:12 4 11.14 0.00 3.16 0.63 0.06 85.02 08:00:12 5 16.94 0.00 2.55 0.36 0.06 80.09 08:00:12 6 15.64 0.00 2.44 0.79 0.06 81.06 08:00:12 7 12.73 0.00 2.81 0.82 0.06 83.57 Average: all 25.24 0.00 1.98 0.47 0.07 72.24 Average: 0 25.46 0.00 1.72 1.19 0.07 71.56 Average: 1 26.49 0.00 1.93 0.22 0.07 71.28 Average: 2 26.08 0.00 2.21 0.38 0.07 71.26 Average: 3 28.76 0.00 2.37 0.52 0.08 68.26 Average: 4 23.78 0.00 2.07 0.38 0.06 73.71 Average: 5 25.31 0.00 1.90 0.19 0.06 72.54 Average: 6 24.24 0.00 1.70 0.44 0.06 73.55 Average: 7 21.82 0.00 1.91 0.46 0.06 75.74