---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14320 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 645 10571 4 4772 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:d9:6f:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84726sec preferred_lft 84726sec inet6 fe80::f816:3eff:fed9:6f46/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:a5:7c:ae:f1:b7 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-14320) 02/18/26 _x86_64_ (4 CPU) 12:34:54 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:05 4.68 0.08 4.31 0.29 7.15 537.26 462.30 13:00:05 13.12 0.53 11.73 0.87 19.47 1940.95 3463.07 Average: 8.89 0.30 8.01 0.58 13.28 1236.50 1957.13 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:05 8089792 11051152 4911348 30.00 114204 3011828 5069720 29.10 498220 7438024 4752 13:00:05 8997664 12675572 3282436 20.05 137272 3666452 3373972 19.37 720304 6267848 278992 Average: 8543728 11863362 4096892 25.02 125738 3339140 4221846 24.23 609262 6852936 141872 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:05 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 12:50:05 ens3 8.18 6.83 34.54 2.03 0.00 0.00 0.00 0.00 12:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:05 lo 311.68 311.68 296.67 296.67 0.00 0.00 0.00 0.00 13:00:05 ens3 30.28 23.73 408.74 3.27 0.00 0.00 0.00 0.00 13:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 155.56 155.56 147.97 147.97 0.00 0.00 0.00 0.00 Average: ens3 19.19 15.25 220.95 2.65 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-14320) 02/18/26 _x86_64_ (4 CPU) 12:34:54 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:05 all 48.57 0.00 0.68 0.01 0.09 50.65 12:50:05 0 46.04 0.00 0.60 0.01 0.09 53.27 12:50:05 1 45.52 0.00 0.65 0.03 0.09 53.71 12:50:05 2 48.08 0.00 0.77 0.01 0.09 51.05 12:50:05 3 54.65 0.00 0.69 0.01 0.09 44.56 13:00:05 all 59.86 0.00 1.09 0.05 0.10 38.90 13:00:05 0 82.98 0.00 0.98 0.06 0.12 15.87 13:00:05 1 51.71 0.00 1.27 0.05 0.10 46.88 13:00:05 2 45.79 0.00 1.17 0.02 0.10 52.92 13:00:05 3 59.00 0.00 0.94 0.05 0.10 39.91 Average: all 54.19 0.00 0.88 0.03 0.10 44.80 Average: 0 64.43 0.00 0.79 0.03 0.10 34.65 Average: 1 48.60 0.00 0.96 0.04 0.09 50.31 Average: 2 46.94 0.00 0.97 0.02 0.09 51.98 Average: 3 56.81 0.00 0.82 0.03 0.10 42.24