---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8950 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 694 10110 4 5184 14952 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:46:26:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84475sec preferred_lft 84475sec inet6 fe80::f816:3eff:fe46:26d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:0c:34:7d:59:b5 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-8950) 02/09/26 _x86_64_ (4 CPU) 18:21:27 LINUX RESTART (4 CPU) 18:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:18 12.68 0.01 10.72 1.95 0.17 694.23 51589.00 18:50:01 38.45 0.20 33.25 5.00 6.22 6855.63 29830.99 Average: 25.38 0.10 21.82 3.45 3.15 3730.35 40867.43 18:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:18 9831996 13100672 2858932 17.46 152784 3250132 3161452 18.15 676244 5493272 31064 18:50:01 7634076 12603056 3346276 20.44 187684 4825400 3369988 19.34 1311344 6936552 6012 Average: 8733036 12851864 3102604 18.95 170234 4037766 3265720 18.75 993794 6214912 18538 18:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:18 lo 54.88 54.88 13.53 13.53 0.00 0.00 0.00 0.00 18:40:18 ens3 5.21 4.29 3.79 1.32 0.00 0.00 0.00 0.00 18:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2348.57 2348.57 2259.66 2259.66 0.00 0.00 0.00 0.00 18:50:01 ens3 76.15 56.50 474.25 14.93 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1185.13 1185.13 1120.35 1120.35 0.00 0.00 0.00 0.00 Average: ens3 40.17 30.02 235.61 8.02 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-8950) 02/09/26 _x86_64_ (4 CPU) 18:21:27 LINUX RESTART (4 CPU) 18:30:18 CPU %user %nice %system %iowait %steal %idle 18:40:18 all 14.43 0.00 0.80 0.08 0.08 84.61 18:40:18 0 13.99 0.00 0.80 0.08 0.08 85.05 18:40:18 1 15.06 0.00 0.70 0.16 0.08 83.99 18:40:18 2 14.94 0.00 0.75 0.03 0.09 84.18 18:40:18 3 13.72 0.00 0.93 0.06 0.09 85.20 18:50:01 all 52.57 0.00 2.64 0.22 0.10 44.48 18:50:01 0 54.56 0.00 2.35 0.19 0.10 42.81 18:50:01 1 52.63 0.00 2.47 0.08 0.09 44.72 18:50:01 2 52.02 0.00 2.84 0.36 0.09 44.68 18:50:01 3 51.07 0.00 2.88 0.24 0.10 45.71 Average: all 33.23 0.00 1.70 0.15 0.09 64.83 Average: 0 33.96 0.00 1.56 0.13 0.09 64.26 Average: 1 33.59 0.00 1.58 0.12 0.09 64.62 Average: 2 33.23 0.00 1.78 0.19 0.09 64.70 Average: 3 32.12 0.00 1.89 0.15 0.09 65.74