---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26690 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 640 10339 4 5009 15006 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:21:7f:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84842sec preferred_lft 84842sec inet6 fe80::f816:3eff:fe21:7f48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:f5:a3:ff:ad:76 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26690) 03/24/26 _x86_64_ (4 CPU) 22:34:22 LINUX RESTART (4 CPU) 22:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:12 3.90 0.07 3.67 0.16 7.10 621.42 322.18 23:00:11 26.16 0.58 23.02 2.57 26.94 6197.93 5745.81 Average: 15.02 0.32 13.33 1.36 17.01 3406.39 3030.80 22:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:12 9679032 12914420 3047872 18.62 116504 3277620 3167708 18.18 640740 5689964 176 23:00:11 10606516 15378736 577580 3.53 140864 4730244 1091008 6.26 1027632 4321976 27012 Average: 10142774 14146578 1812726 11.07 128684 4003932 2129358 12.22 834186 5005970 13594 22:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:12 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 22:50:12 ens3 7.78 6.93 35.96 2.05 0.00 0.00 0.00 0.00 22:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:11 lo 509.14 509.14 485.08 485.08 0.00 0.00 0.00 0.00 23:00:11 ens3 50.49 38.31 487.50 18.93 0.00 0.00 0.00 0.00 23:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 254.58 254.58 242.45 242.45 0.00 0.00 0.00 0.00 Average: ens3 29.11 22.61 261.46 10.48 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26690) 03/24/26 _x86_64_ (4 CPU) 22:34:22 LINUX RESTART (4 CPU) 22:40:13 CPU %user %nice %system %iowait %steal %idle 22:50:12 all 47.58 0.00 0.65 0.02 0.09 51.67 22:50:12 0 48.63 0.00 0.59 0.01 0.09 50.68 22:50:12 1 42.78 0.00 0.69 0.02 0.09 56.42 22:50:12 2 35.83 0.00 0.65 0.03 0.09 63.41 22:50:12 3 63.13 0.00 0.66 0.01 0.10 36.11 23:00:11 all 52.38 0.00 1.55 0.14 0.10 45.84 23:00:11 0 45.97 0.00 1.52 0.22 0.09 52.20 23:00:11 1 56.58 0.00 1.69 0.07 0.10 41.56 23:00:11 2 59.50 0.00 1.49 0.18 0.10 38.73 23:00:11 3 47.47 0.00 1.49 0.09 0.09 50.87 Average: all 49.98 0.00 1.10 0.08 0.09 48.76 Average: 0 47.31 0.00 1.05 0.11 0.09 51.44 Average: 1 49.66 0.00 1.19 0.04 0.09 49.00 Average: 2 47.63 0.00 1.07 0.10 0.09 51.10 Average: 3 55.31 0.00 1.07 0.05 0.10 43.48