---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34458 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 679 10032 4 5277 14966 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:00:3a:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84537sec preferred_lft 84537sec inet6 fe80::f816:3eff:fe00:3add/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:54:78:5e:79:5d 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-34458) 01/13/26 _x86_64_ (4 CPU) 00:38:31 LINUX RESTART (4 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:20 49.99 3.18 41.72 5.08 168.31 4348.91 98633.99 01:00:22 11.83 0.19 10.53 1.11 5.84 1546.92 8074.07 Average: 31.16 1.71 26.33 3.12 88.14 2966.28 53947.62 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:20 9489132 12683868 3276736 20.01 142596 3199820 3287796 18.87 661300 5854560 1168 01:00:22 10030256 13644288 2312444 14.12 161156 3567748 2493984 14.32 785400 5143940 14384 Average: 9759694 13164078 2794590 17.07 151876 3383784 2890890 16.59 723350 5499250 7776 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:20 lo 17.45 17.45 3.73 3.73 0.00 0.00 0.00 0.00 00:50:20 ens3 68.28 53.54 587.76 11.46 0.00 0.00 0.00 0.00 00:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:22 lo 606.36 606.36 544.61 544.61 0.00 0.00 0.00 0.00 01:00:22 ens3 34.20 24.32 272.28 5.36 0.00 0.00 0.00 0.00 01:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 308.04 308.04 270.63 270.63 0.00 0.00 0.00 0.00 Average: ens3 51.46 39.12 432.09 8.45 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-34458) 01/13/26 _x86_64_ (4 CPU) 00:38:31 LINUX RESTART (4 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:20 all 31.67 0.00 1.37 1.23 0.09 65.64 00:50:20 0 31.63 0.00 1.51 0.30 0.09 66.48 00:50:20 1 31.90 0.00 1.08 0.29 0.09 66.63 00:50:20 2 30.60 0.00 1.34 0.55 0.09 67.43 00:50:20 3 32.55 0.00 1.55 3.79 0.09 62.02 01:00:22 all 23.83 0.00 1.22 0.03 0.09 74.83 01:00:22 0 24.10 0.00 1.13 0.02 0.09 74.66 01:00:22 1 23.67 0.00 1.13 0.05 0.09 75.06 01:00:22 2 23.41 0.00 1.33 0.02 0.09 75.15 01:00:22 3 24.15 0.00 1.29 0.05 0.08 74.43 Average: all 27.80 0.00 1.30 0.64 0.09 70.17 Average: 0 27.91 0.00 1.32 0.16 0.09 70.52 Average: 1 27.85 0.00 1.11 0.17 0.09 70.78 Average: 2 27.05 0.00 1.33 0.29 0.09 71.24 Average: 3 28.41 0.00 1.42 1.95 0.09 68.14