---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35951 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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: 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: 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 11G 67G 14% / 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 645 10455 4 4887 15000 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:b9:33:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84333sec preferred_lft 84333sec inet6 fe80::f816:3eff:feb9:332e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:bf:b1:11:a9:87 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-35951) 08/11/26 _x86_64_ (4 CPU) 15:28:04 LINUX RESTART (4 CPU) 15:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 8.88 1.86 6.93 0.09 121.82 2173.35 2.90 15:50:13 11.81 0.44 10.28 1.10 17.01 2435.78 2294.28 16:00:01 43.68 0.67 23.93 19.08 26.29 4139.25 242959.84 Average: 21.24 0.99 13.62 6.63 55.01 2904.48 80117.91 15:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 11586384 14514208 1450656 8.86 116080 2976940 1909820 10.96 459108 3997844 74392 15:50:13 9621216 13227024 2730764 16.68 146772 3554744 2970412 17.05 632104 5706648 17468 16:00:01 10729600 15375316 575456 3.51 177144 4497072 1111840 6.38 909712 4215852 236 Average: 10645733 14372183 1585625 9.68 146665 3676252 1997357 11.46 666975 4640115 30699 15:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 15:40:01 ens3 68.22 55.42 738.86 8.68 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:13 lo 1.45 1.45 0.14 0.14 0.00 0.00 0.00 0.00 15:50:13 ens3 72.52 53.68 89.64 16.69 0.00 0.00 0.00 0.00 15:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 1809.15 1809.15 1717.27 1717.27 0.00 0.00 0.00 0.00 16:00:01 ens3 103.62 87.31 448.02 100.51 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 591.33 591.33 560.82 560.82 0.00 0.00 0.00 0.00 Average: ens3 81.24 65.24 423.28 41.39 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-35951) 08/11/26 _x86_64_ (4 CPU) 15:28:04 LINUX RESTART (4 CPU) 15:30:00 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 6.98 0.00 0.38 0.05 0.02 92.57 15:40:01 0 6.19 0.00 0.44 0.06 0.02 93.29 15:40:01 1 7.27 0.00 0.34 0.06 0.03 92.31 15:40:01 2 7.28 0.00 0.27 0.05 0.02 92.37 15:40:01 3 7.17 0.00 0.46 0.05 0.03 92.29 15:50:13 all 73.19 0.00 2.28 0.02 0.11 24.40 15:50:13 0 71.11 0.00 2.38 0.02 0.11 26.38 15:50:13 1 75.56 0.00 2.58 0.03 0.11 21.73 15:50:13 2 73.97 0.00 2.07 0.01 0.11 23.84 15:50:13 3 72.12 0.00 2.10 0.02 0.11 25.64 16:00:01 all 54.46 0.00 2.54 0.08 0.09 42.83 16:00:01 0 54.99 0.00 2.39 0.06 0.09 42.46 16:00:01 1 53.90 0.00 2.63 0.03 0.09 43.34 16:00:01 2 54.30 0.00 2.46 0.05 0.09 43.10 16:00:01 3 54.66 0.00 2.67 0.18 0.09 42.41 Average: all 44.97 0.00 1.73 0.05 0.08 53.17 Average: 0 44.16 0.00 1.74 0.05 0.07 53.98 Average: 1 45.70 0.00 1.85 0.04 0.08 52.34 Average: 2 45.28 0.00 1.60 0.04 0.07 53.00 Average: 3 44.73 0.00 1.74 0.08 0.08 53.38