---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25858 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 11G 68G 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 674 10494 4 4820 14972 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:c1:01:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84398sec preferred_lft 84398sec inet6 fe80::f816:3eff:fec1:112/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:fa:cc:f0:28:07 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-25858) 06/08/26 _x86_64_ (4 CPU) 11:30:20 LINUX RESTART (4 CPU) 11:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:01 13.39 2.06 10.31 1.02 131.98 3053.16 2193.75 12:00:08 30.02 1.05 24.60 4.38 34.64 4400.65 5278.55 Average: 21.80 1.55 17.53 2.72 82.79 3734.07 3752.55 11:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:01 10558796 14000976 1957976 11.96 138344 3418024 2300416 13.20 579276 4839032 38776 12:00:08 10804296 15380084 571264 3.49 172424 4434864 1116756 6.41 895432 4171872 720 Average: 10681546 14690530 1264620 7.72 155384 3926444 1708586 9.81 737354 4505452 19748 11:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:01 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 11:50:01 ens3 101.06 78.69 586.68 19.97 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:08 lo 1641.32 1641.32 1561.54 1561.54 0.00 0.00 0.00 0.00 12:00:08 ens3 94.36 74.15 426.64 61.55 0.00 0.00 0.00 0.00 12:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 830.04 830.04 789.14 789.14 0.00 0.00 0.00 0.00 Average: ens3 97.67 76.40 505.81 40.98 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-25858) 06/08/26 _x86_64_ (4 CPU) 11:30:20 LINUX RESTART (4 CPU) 11:40:08 CPU %user %nice %system %iowait %steal %idle 11:50:01 all 69.63 0.00 2.27 0.05 0.11 27.95 11:50:01 0 68.96 0.00 2.14 0.03 0.10 28.77 11:50:01 1 69.85 0.00 2.40 0.09 0.11 27.55 11:50:01 2 67.25 0.00 2.18 0.03 0.11 30.43 11:50:01 3 72.46 0.00 2.36 0.04 0.10 25.04 12:00:08 all 63.60 0.00 2.70 0.06 0.11 33.53 12:00:08 0 64.19 0.00 2.33 0.06 0.11 33.31 12:00:08 1 62.62 0.00 2.62 0.08 0.11 34.58 12:00:08 2 64.42 0.00 2.93 0.04 0.11 32.50 12:00:08 3 63.18 0.00 2.92 0.06 0.11 33.73 Average: all 66.59 0.00 2.49 0.05 0.11 30.77 Average: 0 66.55 0.00 2.23 0.05 0.11 31.06 Average: 1 66.19 0.00 2.51 0.08 0.11 31.10 Average: 2 65.82 0.00 2.56 0.04 0.11 31.48 Average: 3 67.77 0.00 2.64 0.05 0.11 29.43