---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3055 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 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 685 10588 4 4715 14961 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:68:30:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84316sec preferred_lft 84316sec inet6 fe80::f816:3eff:fe68:30c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:9a:3c:4e:8e:71 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-3055) 01/22/26 _x86_64_ (4 CPU) 15:03:19 LINUX RESTART (4 CPU) 15:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:10 10.48 1.89 8.01 0.58 125.14 2131.24 348.52 15:30:08 42.99 0.84 25.49 16.67 27.26 3455.79 240609.10 Average: 26.70 1.36 16.73 8.61 76.29 2792.25 120249.46 15:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:10 10961688 14024356 1936600 11.83 123100 3085416 2272288 13.04 548020 4503416 23012 15:30:08 9110024 13110720 2841472 17.35 163980 3899664 2854020 16.38 796592 6001916 9252 Average: 10035856 13567538 2389036 14.59 143540 3492540 2563154 14.71 672306 5252666 16132 15:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:10 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 15:20:10 ens3 66.77 54.30 493.85 13.64 0.00 0.00 0.00 0.00 15:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:08 lo 1231.73 1231.73 1173.29 1173.29 0.00 0.00 0.00 0.00 15:30:08 ens3 78.43 57.78 364.94 17.59 0.00 0.00 0.00 0.00 15:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 615.12 615.12 585.57 585.57 0.00 0.00 0.00 0.00 Average: ens3 72.59 56.04 429.51 15.61 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-3055) 01/22/26 _x86_64_ (4 CPU) 15:03:19 LINUX RESTART (4 CPU) 15:10:09 CPU %user %nice %system %iowait %steal %idle 15:20:10 all 45.39 0.00 1.51 0.14 0.11 52.85 15:20:10 0 43.74 0.00 1.32 0.05 0.10 54.79 15:20:10 1 45.07 0.00 1.50 0.14 0.12 53.18 15:20:10 2 46.31 0.00 1.46 0.10 0.11 52.02 15:20:10 3 46.46 0.00 1.77 0.26 0.12 51.39 15:30:08 all 69.61 0.00 2.80 0.18 0.16 27.25 15:30:08 0 67.05 0.00 2.71 0.38 0.16 29.70 15:30:08 1 69.28 0.00 2.96 0.12 0.16 27.47 15:30:08 2 68.10 0.00 2.61 0.16 0.15 28.97 15:30:08 3 74.01 0.00 2.92 0.06 0.15 22.86 Average: all 57.47 0.00 2.15 0.16 0.13 40.08 Average: 0 55.35 0.00 2.01 0.21 0.13 42.30 Average: 1 57.15 0.00 2.23 0.13 0.14 40.36 Average: 2 57.18 0.00 2.03 0.13 0.13 40.53 Average: 3 60.20 0.00 2.35 0.16 0.14 37.16