---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8183 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 640 10324 4 5024 15006 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:9f:d0:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84716sec preferred_lft 84716sec inet6 fe80::f816:3eff:fe9f:d0f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:2a:e0:83:f0:c0 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8183) 02/06/26 _x86_64_ (4 CPU) 08:14:08 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:11 4.23 0.07 4.00 0.17 6.74 575.76 443.74 08:40:17 23.13 0.54 20.51 2.08 20.27 5037.85 7909.66 Average: 13.65 0.30 12.23 1.12 13.48 2799.45 4164.39 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:11 9281608 12538216 3423264 20.91 116676 3302892 3623772 20.80 688532 6049744 100 08:40:17 10590260 15371772 583852 3.57 137824 4748564 1116732 6.41 1058068 4301748 383264 Average: 9935934 13954994 2003558 12.24 127250 4025728 2370252 13.61 873300 5175746 191682 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:11 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 08:30:11 ens3 10.67 8.66 37.37 2.39 0.00 0.00 0.00 0.00 08:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:17 lo 530.68 530.68 505.51 505.51 0.00 0.00 0.00 0.00 08:40:17 ens3 48.01 35.25 478.71 6.63 0.00 0.00 0.00 0.00 08:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 264.75 264.75 252.11 252.11 0.00 0.00 0.00 0.00 Average: ens3 29.28 21.91 257.31 4.51 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8183) 02/06/26 _x86_64_ (4 CPU) 08:14:08 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:11 all 46.50 0.00 0.61 0.03 0.07 52.79 08:30:11 0 52.00 0.00 0.60 0.01 0.07 47.31 08:30:11 1 44.85 0.00 0.70 0.05 0.08 54.32 08:30:11 2 47.98 0.00 0.57 0.01 0.07 51.37 08:30:11 3 41.16 0.00 0.57 0.03 0.08 58.16 08:40:17 all 52.39 0.00 1.47 2.62 0.09 43.43 08:40:17 0 73.10 0.00 1.57 5.04 0.10 20.19 08:40:17 1 44.51 0.00 1.40 1.94 0.08 52.08 08:40:17 2 43.71 0.00 1.36 1.17 0.08 53.68 08:40:17 3 48.22 0.00 1.54 2.35 0.09 47.81 Average: all 49.43 0.00 1.04 1.32 0.08 48.13 Average: 0 62.51 0.00 1.09 2.52 0.08 33.80 Average: 1 44.68 0.00 1.05 0.99 0.08 53.21 Average: 2 45.86 0.00 0.96 0.59 0.08 52.52 Average: 3 44.68 0.00 1.05 1.18 0.08 53.00