---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3677 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 642 10586 4 4759 15003 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:a7:5b:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84822sec preferred_lft 84822sec inet6 fe80::f816:3eff:fea7:5b48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:95:f0:b8:f3:2a 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-3677) 01/23/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:18 7.78 0.87 6.59 0.32 238.39 1953.44 540.86 20:30:01 25.35 0.55 10.47 14.32 20.18 1774.86 247917.48 Average: 16.32 0.72 8.48 7.13 132.27 1866.59 120841.40 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:18 8709904 11636448 4327668 26.43 112688 2985656 4501528 25.84 547688 6781068 88 20:30:01 10245056 13594488 2365940 14.45 131552 3361352 2483312 14.25 713236 5021024 10728 Average: 9477480 12615468 3346804 20.44 122120 3173504 3492420 20.05 630462 5901046 5408 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:18 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 20:20:18 ens3 18.85 15.65 170.57 3.18 0.00 0.00 0.00 0.00 20:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 191.04 191.04 181.52 181.52 0.00 0.00 0.00 0.00 20:30:01 ens3 33.00 25.12 420.31 3.47 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 93.23 93.23 88.47 88.47 0.00 0.00 0.00 0.00 Average: ens3 25.73 20.26 292.02 3.32 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-3677) 01/23/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:18 all 49.23 0.00 0.87 0.05 0.07 49.79 20:20:18 0 41.75 0.00 0.85 0.08 0.07 57.24 20:20:18 1 50.95 0.00 0.93 0.02 0.07 48.03 20:20:18 2 54.98 0.00 1.00 0.07 0.07 43.88 20:20:18 3 49.22 0.00 0.70 0.01 0.06 50.01 20:30:01 all 52.04 0.00 0.94 0.04 0.07 46.91 20:30:01 0 42.02 0.00 0.88 0.05 0.07 56.98 20:30:01 1 40.63 0.00 0.84 0.06 0.07 58.40 20:30:01 2 70.63 0.00 1.15 0.02 0.07 28.12 20:30:01 3 54.84 0.00 0.89 0.04 0.07 44.16 Average: all 50.60 0.00 0.90 0.04 0.07 48.39 Average: 0 41.89 0.00 0.86 0.07 0.07 57.11 Average: 1 45.93 0.00 0.88 0.04 0.07 53.07 Average: 2 62.60 0.00 1.07 0.05 0.07 36.21 Average: 3 51.95 0.00 0.79 0.03 0.07 47.17