---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9911 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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): 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 9.4G 69G 13% / 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 624 11671 4 3693 15022 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:3d:49:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84543sec preferred_lft 84543sec inet6 fe80::f816:3eff:fe3d:4991/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:50:fb:45:4d:dc 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9911) 04/30/26 _x86_64_ (4 CPU) 11:12:43 LINUX RESTART (4 CPU) 11:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:15 44.79 4.62 39.24 0.94 271.32 4875.20 3642.56 11:40:00 16.53 0.02 13.42 3.09 0.62 990.15 63366.34 Average: 31.03 2.38 26.67 1.98 139.52 2983.67 32720.57 11:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:15 10465036 13675580 2286288 13.96 113180 3239900 2637224 15.14 620580 4922252 4220 11:40:00 9685596 13118220 2840996 17.35 129220 3426292 3086444 17.72 674916 5620260 80 Average: 10075316 13396900 2563642 15.66 121200 3333096 2861834 16.43 647748 5271256 2150 11:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:15 lo 0.49 0.49 0.06 0.06 0.00 0.00 0.00 0.00 11:30:15 ens3 99.61 76.50 904.43 15.05 0.00 0.00 0.00 0.00 11:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:00 lo 36.00 36.00 8.66 8.66 0.00 0.00 0.00 0.00 11:40:00 ens3 12.24 9.98 13.00 3.15 0.00 0.00 0.00 0.00 11:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.78 17.78 4.25 4.25 0.00 0.00 0.00 0.00 Average: ens3 57.07 44.11 470.42 9.26 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9911) 04/30/26 _x86_64_ (4 CPU) 11:12:43 LINUX RESTART (4 CPU) 11:20:00 CPU %user %nice %system %iowait %steal %idle 11:30:15 all 17.99 0.00 0.88 0.28 0.04 80.81 11:30:15 0 18.65 0.00 1.05 0.13 0.04 80.13 11:30:15 1 16.25 0.00 0.80 0.34 0.05 82.56 11:30:15 2 18.82 0.00 0.75 0.47 0.04 79.92 11:30:15 3 18.24 0.00 0.90 0.17 0.04 80.66 11:40:00 all 24.23 0.00 0.94 0.14 0.09 74.61 11:40:00 0 25.00 0.00 0.96 0.20 0.09 73.76 11:40:00 1 24.48 0.00 0.86 0.05 0.09 74.52 11:40:00 2 25.35 0.00 0.93 0.10 0.08 73.54 11:40:00 3 22.08 0.00 1.02 0.19 0.09 76.62 Average: all 21.03 0.00 0.91 0.21 0.06 77.79 Average: 0 21.74 0.00 1.01 0.16 0.06 77.03 Average: 1 20.25 0.00 0.83 0.20 0.07 78.65 Average: 2 22.00 0.00 0.84 0.29 0.06 76.81 Average: 3 20.11 0.00 0.96 0.18 0.06 78.69