---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6011 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 672 10567 4 4749 14974 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:a3:8d:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84832sec preferred_lft 84832sec inet6 fe80::f816:3eff:fea3:8d3d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:b9:9e:5a:d5:d1 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-6011) 01/30/26 _x86_64_ (4 CPU) 13:57:07 LINUX RESTART (4 CPU) 14:00:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:28 6.05 0.45 5.28 0.32 231.88 907.75 305.40 14:20:01 11.97 0.56 10.76 0.65 20.29 1830.97 1719.47 Average: 8.94 0.50 7.96 0.48 128.44 1359.06 996.66 14:00:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:28 8400644 11332648 4631800 28.29 109560 2994596 4785128 27.47 545808 7092828 596 14:20:01 10209812 13569680 2391096 14.60 131004 3371732 2506684 14.39 706024 5074296 10116 Average: 9305228 12451164 3511448 21.45 120282 3183164 3645906 20.93 625916 6083562 5356 14:00:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:28 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 14:10:28 ens3 18.32 14.08 136.20 2.93 0.00 0.00 0.00 0.00 14:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 197.42 197.42 187.04 187.04 0.00 0.00 0.00 0.00 14:20:01 ens3 37.83 27.53 427.78 3.64 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 96.83 96.83 91.63 91.63 0.00 0.00 0.00 0.00 Average: ens3 27.85 20.65 278.74 3.28 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-6011) 01/30/26 _x86_64_ (4 CPU) 13:57:07 LINUX RESTART (4 CPU) 14:00:28 CPU %user %nice %system %iowait %steal %idle 14:10:28 all 47.13 0.00 0.70 0.13 0.07 51.97 14:10:28 0 34.10 0.00 0.64 0.19 0.08 64.99 14:10:28 1 39.72 0.00 0.72 0.11 0.07 59.39 14:10:28 2 52.77 0.00 0.68 0.19 0.07 46.30 14:10:28 3 61.96 0.00 0.74 0.04 0.08 37.18 14:20:01 all 55.48 0.00 0.91 0.14 0.08 43.39 14:20:01 0 63.10 0.00 0.92 0.11 0.08 35.78 14:20:01 1 43.31 0.00 0.89 0.23 0.08 55.49 14:20:01 2 45.46 0.00 0.86 0.13 0.08 53.47 14:20:01 3 70.03 0.00 0.97 0.08 0.08 28.84 Average: all 51.21 0.00 0.80 0.13 0.08 47.78 Average: 0 48.27 0.00 0.78 0.15 0.08 50.72 Average: 1 41.47 0.00 0.80 0.17 0.07 57.48 Average: 2 49.20 0.00 0.77 0.16 0.07 49.80 Average: 3 65.91 0.00 0.86 0.06 0.08 33.10