---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22696 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 15% / 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 747 9725 4 5516 14899 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:09:c2:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84620sec preferred_lft 84620sec inet6 fe80::f816:3eff:fe09:c2fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:49:6a:09:be:d3 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-22696) 02/27/26 _x86_64_ (4 CPU) 08:57:02 LINUX RESTART (4 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:02 24.51 0.77 21.66 2.09 35.48 4243.96 5204.53 09:20:02 28.55 0.05 25.32 3.19 1.20 3101.72 13125.27 Average: 26.53 0.41 23.49 2.64 18.36 3673.34 9161.41 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:02 9818144 13441548 2514016 15.35 155220 3563292 2717396 15.60 712048 5409472 16176 09:20:02 9135012 13275968 2676476 16.35 179988 4013836 2883964 16.55 847376 5917860 28896 Average: 9476578 13358758 2595246 15.85 167604 3788564 2800680 16.08 779712 5663666 22536 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:02 lo 922.00 922.00 878.33 878.33 0.00 0.00 0.00 0.00 09:10:02 ens3 62.95 45.70 392.36 10.10 0.00 0.00 0.00 0.00 09:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:02 lo 1350.53 1350.53 1286.65 1286.65 0.00 0.00 0.00 0.00 09:20:02 ens3 29.86 23.97 129.81 6.56 0.00 0.00 0.00 0.00 09:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1136.08 1136.08 1082.31 1082.31 0.00 0.00 0.00 0.00 Average: ens3 46.42 34.84 261.20 8.33 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-22696) 02/27/26 _x86_64_ (4 CPU) 08:57:02 LINUX RESTART (4 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:02 all 63.46 0.00 2.22 3.17 0.16 30.98 09:10:02 0 62.32 0.00 2.13 3.10 0.15 32.31 09:10:02 1 62.98 0.00 2.42 4.27 0.16 30.17 09:10:02 2 65.01 0.00 2.18 4.02 0.17 28.63 09:10:02 3 63.53 0.00 2.17 1.31 0.15 32.83 09:20:02 all 51.65 0.00 2.29 2.68 0.12 43.26 09:20:02 0 53.05 0.00 2.29 0.98 0.12 43.55 09:20:02 1 51.69 0.00 2.25 4.09 0.12 41.85 09:20:02 2 49.49 0.00 2.20 3.72 0.12 44.47 09:20:02 3 52.36 0.00 2.42 1.92 0.12 43.18 Average: all 57.56 0.00 2.26 2.93 0.14 37.12 Average: 0 57.69 0.00 2.21 2.04 0.13 37.93 Average: 1 57.34 0.00 2.33 4.18 0.14 36.01 Average: 2 57.26 0.00 2.19 3.87 0.14 36.54 Average: 3 57.96 0.00 2.30 1.61 0.14 38.00