---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58811 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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): 4 On-line CPU(s) list: 0-3 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): 4 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 66G 16% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 696 8638 4 6654 14949 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:df:cf:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84207sec preferred_lft 84207sec inet6 fe80::f816:3eff:fedf:cf5d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:0c:79:8f:86:62 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-58811) 09/26/26 _x86_64_ (4 CPU) 02:24:23 LINUX RESTART (4 CPU) 02:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:06 19.57 0.06 17.36 2.16 6.19 2105.35 10783.55 02:50:06 34.30 0.02 30.73 3.55 0.56 4488.65 24397.39 03:00:06 9.56 0.20 8.51 0.86 5.76 6574.05 4520.09 Average: 21.14 0.09 18.87 2.19 4.17 4389.35 13233.68 02:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:06 9018636 12828584 3127828 19.10 141352 3776884 3229624 18.54 705688 6243400 10168 02:50:06 7593804 12408776 3542976 21.64 165504 4713752 3446276 19.78 988352 7330600 1628 03:00:06 8899000 15344240 602628 3.68 181528 6276540 1126628 6.47 1325084 5622156 330372 Average: 8503813 13527200 2424477 14.81 162795 4922392 2600843 14.93 1006375 6398719 114056 02:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:06 lo 999.75 999.75 945.91 945.91 0.00 0.00 0.00 0.00 02:40:06 ens3 43.92 33.12 45.88 12.33 0.00 0.00 0.00 0.00 02:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:06 lo 1328.47 1328.47 1264.79 1264.79 0.00 0.00 0.00 0.00 02:50:06 ens3 53.99 36.97 29.52 15.44 0.00 0.00 0.00 0.00 02:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:06 lo 2543.09 2543.09 9284.97 9284.97 0.00 0.00 0.00 0.00 03:00:06 ens3 57.60 43.98 273.74 11.78 0.00 0.00 0.00 0.00 03:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1623.77 1623.77 3831.89 3831.89 0.00 0.00 0.00 0.00 Average: ens3 51.84 38.02 116.38 13.18 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-58811) 09/26/26 _x86_64_ (4 CPU) 02:24:23 LINUX RESTART (4 CPU) 02:30:06 CPU %user %nice %system %iowait %steal %idle 02:40:06 all 59.52 0.00 2.27 0.10 0.02 38.08 02:40:06 0 58.95 0.00 2.42 0.09 0.02 38.52 02:40:06 1 60.46 0.00 2.31 0.09 0.03 37.12 02:40:06 2 57.86 0.00 2.06 0.10 0.02 39.96 02:40:06 3 60.81 0.00 2.29 0.15 0.03 36.73 02:50:06 all 57.74 0.00 2.63 0.12 0.01 39.49 02:50:06 0 57.72 0.00 2.68 0.14 0.01 39.45 02:50:06 1 57.77 0.00 2.18 0.14 0.01 39.90 02:50:06 2 54.88 0.00 2.68 0.08 0.01 42.35 02:50:06 3 60.59 0.00 2.99 0.13 0.02 36.28 03:00:06 all 31.42 0.00 1.47 0.17 0.03 66.91 03:00:06 0 33.07 0.00 1.20 0.15 0.04 65.54 03:00:06 1 27.09 0.00 1.78 0.16 0.03 70.94 03:00:06 2 33.91 0.00 1.30 0.15 0.03 64.61 03:00:06 3 31.61 0.00 1.59 0.24 0.03 66.52 Average: all 49.56 0.00 2.12 0.13 0.02 48.16 Average: 0 49.91 0.00 2.10 0.13 0.02 47.84 Average: 1 48.44 0.00 2.09 0.13 0.02 49.32 Average: 2 48.88 0.00 2.01 0.11 0.02 48.97 Average: 3 51.00 0.00 2.29 0.17 0.03 46.51