---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34667 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 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 646 9745 4 5597 15000 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:d3:54:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84417sec preferred_lft 84417sec inet6 fe80::f816:3eff:fed3:5493/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:1d:28:26:5b:62 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-34667) 01/13/26 _x86_64_ (4 CPU) 18:23:19 LINUX RESTART (4 CPU) 18:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:10 49.38 0.21 41.69 7.49 375.45 2302.95 150559.52 18:50:06 28.05 0.16 23.69 4.19 5.03 2160.99 28363.68 Average: 38.78 0.18 32.75 5.85 191.44 2232.43 89855.25 18:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:10 9197316 12852564 3105452 18.97 156092 3632572 3305264 18.97 892528 5898376 200 18:50:06 8815196 12921364 3032492 18.52 175512 4030656 3104748 17.82 1033048 6100928 19324 Average: 9006256 12886964 3068972 18.74 165802 3831614 3205006 18.40 962788 5999652 9762 18:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:10 lo 38.29 38.29 9.21 9.21 0.00 0.00 0.00 0.00 18:40:10 ens3 41.71 29.59 63.66 5.23 0.00 0.00 0.00 0.00 18:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:06 lo 1629.84 1629.84 1533.88 1533.88 0.00 0.00 0.00 0.00 18:50:06 ens3 53.82 40.15 265.09 11.13 0.00 0.00 0.00 0.00 18:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 828.94 828.94 766.63 766.63 0.00 0.00 0.00 0.00 Average: ens3 47.72 34.84 163.73 8.16 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-34667) 01/13/26 _x86_64_ (4 CPU) 18:23:19 LINUX RESTART (4 CPU) 18:30:06 CPU %user %nice %system %iowait %steal %idle 18:40:10 all 27.56 0.00 1.26 0.42 0.09 70.68 18:40:10 0 28.20 0.00 1.24 0.21 0.09 70.26 18:40:10 1 26.78 0.00 1.34 0.74 0.09 71.04 18:40:10 2 27.84 0.00 1.10 0.41 0.09 70.56 18:40:10 3 27.41 0.00 1.35 0.32 0.09 70.84 18:50:06 all 41.52 0.00 2.05 0.13 0.09 56.21 18:50:06 0 40.87 0.00 2.01 0.18 0.09 56.86 18:50:06 1 40.63 0.00 1.78 0.09 0.09 57.41 18:50:06 2 42.47 0.00 2.25 0.10 0.09 55.09 18:50:06 3 42.13 0.00 2.15 0.14 0.09 55.50 Average: all 34.50 0.00 1.65 0.27 0.09 63.49 Average: 0 34.49 0.00 1.62 0.19 0.09 63.61 Average: 1 33.67 0.00 1.56 0.41 0.09 64.27 Average: 2 35.10 0.00 1.67 0.26 0.09 62.88 Average: 3 34.72 0.00 1.75 0.23 0.09 63.21