---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27856 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: 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: 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 15% / 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 652 9822 4 5515 14994 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:d3:c8:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84330sec preferred_lft 84330sec inet6 fe80::f816:3eff:fed3:c84c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:4f:56:d0:f8:1a 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-27856) 06/16/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:10 43.97 0.03 37.09 6.86 0.63 1617.55 92560.04 18:50:01 28.98 0.16 24.76 4.06 4.96 2226.69 25933.10 Average: 36.54 0.09 30.97 5.47 2.77 1919.76 59505.08 18:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:10 9080460 12652652 3305924 20.19 156972 3537436 3495596 20.06 748832 6133872 924 18:50:01 8805752 12843580 3111256 19.00 176712 3949724 3141696 18.03 889132 6228296 25884 Average: 8943106 12748116 3208590 19.60 166842 3743580 3318646 19.05 818982 6181084 13404 18:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:10 lo 40.02 40.02 9.59 9.59 0.00 0.00 0.00 0.00 18:40:10 ens3 13.90 10.74 10.67 3.75 0.00 0.00 0.00 0.00 18:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1695.26 1695.26 1596.62 1596.62 0.00 0.00 0.00 0.00 18:50:01 ens3 53.04 40.32 283.68 10.89 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 861.22 861.22 796.95 796.95 0.00 0.00 0.00 0.00 Average: ens3 33.32 25.42 146.11 7.29 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-27856) 06/16/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:10 CPU %user %nice %system %iowait %steal %idle 18:40:10 all 25.79 0.00 1.12 1.19 0.10 71.80 18:40:10 0 25.79 0.00 1.10 0.85 0.09 72.16 18:40:10 1 26.06 0.00 1.35 2.96 0.11 69.53 18:40:10 2 24.15 0.00 0.95 0.47 0.10 74.31 18:40:10 3 27.15 0.00 1.07 0.47 0.10 71.21 18:50:01 all 42.67 0.00 2.11 0.09 0.10 55.04 18:50:01 0 41.60 0.00 2.22 0.17 0.11 55.91 18:50:01 1 43.36 0.00 2.28 0.06 0.10 54.19 18:50:01 2 42.76 0.00 1.97 0.07 0.10 55.10 18:50:01 3 42.95 0.00 1.96 0.04 0.10 54.95 Average: all 34.16 0.00 1.61 0.64 0.10 63.49 Average: 0 33.64 0.00 1.65 0.51 0.10 64.10 Average: 1 34.65 0.00 1.81 1.52 0.10 61.92 Average: 2 33.38 0.00 1.46 0.27 0.10 64.78 Average: 3 34.99 0.00 1.51 0.26 0.10 63.15