---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4780 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: 5600.00 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 614 10397 4 4977 15032 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:0b:cd:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84584sec preferred_lft 84584sec inet6 fe80::f816:3eff:fe0b:cd3b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:fb:c4:16:4c:6a 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-4780) 01/27/26 _x86_64_ (4 CPU) 00:21:11 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:43 4.44 0.07 4.21 0.17 6.50 588.95 24.12 00:50:21 25.25 0.67 22.41 2.16 26.63 6259.26 9888.19 Average: 14.30 0.35 12.83 1.11 16.04 3274.46 4695.83 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:43 9575096 12780000 3182964 19.44 116736 3252420 3314252 19.02 699532 5744776 52 00:50:21 10675604 15413580 542980 3.32 142584 4700388 1098892 6.31 1073972 4216112 25232 Average: 10125350 14096790 1862972 11.38 129660 3976404 2206572 12.67 886752 4980444 12642 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:43 lo 0.57 0.57 0.35 0.35 0.00 0.00 0.00 0.00 00:40:43 ens3 11.66 8.73 34.69 2.97 0.00 0.00 0.00 0.00 00:40:43 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:21 lo 517.14 517.14 490.34 490.34 0.00 0.00 0.00 0.00 00:50:21 ens3 58.08 45.36 505.62 60.95 0.00 0.00 0.00 0.00 00:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 245.22 245.22 232.42 232.42 0.00 0.00 0.00 0.00 Average: ens3 33.64 26.08 257.73 30.43 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-4780) 01/27/26 _x86_64_ (4 CPU) 00:21:11 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:43 all 47.61 0.00 0.65 0.02 0.08 51.63 00:40:43 0 48.38 0.00 0.72 0.03 0.08 50.79 00:40:43 1 49.53 0.00 0.64 0.02 0.09 49.72 00:40:43 2 35.71 0.00 0.60 0.03 0.08 63.58 00:40:43 3 56.85 0.00 0.64 0.01 0.08 42.42 00:50:21 all 56.23 0.00 1.48 0.16 0.08 42.05 00:50:21 0 47.09 0.00 1.54 0.30 0.08 50.98 00:50:21 1 54.05 0.00 1.26 0.15 0.09 44.44 00:50:21 2 69.75 0.00 1.60 0.11 0.09 28.45 00:50:21 3 54.03 0.00 1.50 0.09 0.08 44.29 Average: all 51.69 0.00 1.04 0.09 0.08 47.10 Average: 0 47.77 0.00 1.11 0.16 0.08 50.88 Average: 1 51.67 0.00 0.94 0.08 0.09 47.22 Average: 2 51.81 0.00 1.07 0.07 0.08 46.97 Average: 3 55.52 0.00 1.05 0.05 0.08 43.31