---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2979 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 620 10567 4 4801 15026 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:3e:1c:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84766sec preferred_lft 84766sec inet6 fe80::f816:3eff:fe3e:1ce8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:2d:b5:00:ef:81 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-2979) 04/15/26 _x86_64_ (4 CPU) 10:49:35 LINUX RESTART (4 CPU) 10:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:01 46.89 10.05 36.06 0.79 1367.90 4753.01 1737.95 11:10:12 3.26 0.06 3.12 0.08 6.17 371.92 11.60 Average: 24.91 5.02 19.47 0.43 681.94 2546.08 868.32 10:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 10855060 13797348 2167008 13.24 111384 2998820 2427184 13.93 482876 4690348 11284 11:10:12 10128816 13169616 2793852 17.06 114772 3085816 2936520 16.86 508660 5390536 5612 Average: 10491938 13483482 2480430 15.15 113078 3042318 2681852 15.39 495768 5040442 8448 10:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:01 lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 11:00:01 ens3 111.70 81.24 938.90 15.16 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:12 lo 0.50 0.50 0.36 0.36 0.00 0.00 0.00 0.00 11:10:12 ens3 5.57 4.34 19.47 0.97 0.00 0.00 0.00 0.00 11:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.51 0.51 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 58.24 42.50 475.75 8.01 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-2979) 04/15/26 _x86_64_ (4 CPU) 10:49:35 LINUX RESTART (4 CPU) 10:50:00 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 49.27 0.00 1.34 0.30 0.09 48.99 11:00:01 0 51.11 0.00 1.13 0.09 0.10 47.58 11:00:01 1 45.88 0.00 1.36 0.17 0.09 52.51 11:00:01 2 55.24 0.00 1.62 0.86 0.10 42.19 11:00:01 3 44.85 0.00 1.24 0.11 0.09 53.71 11:10:12 all 45.44 0.00 0.44 0.01 0.08 54.03 11:10:12 0 68.48 0.00 0.57 0.02 0.09 30.84 11:10:12 1 33.37 0.00 0.44 0.02 0.08 66.08 11:10:12 2 42.67 0.00 0.38 0.00 0.08 56.86 11:10:12 3 37.22 0.00 0.38 0.00 0.07 62.33 Average: all 47.34 0.00 0.89 0.16 0.09 51.53 Average: 0 59.86 0.00 0.85 0.05 0.09 39.14 Average: 1 39.58 0.00 0.90 0.09 0.09 59.35 Average: 2 48.89 0.00 0.99 0.43 0.09 49.61 Average: 3 41.00 0.00 0.81 0.05 0.08 58.06