---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1626 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: 5599.94 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 634 10153 4 5201 15012 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:ec:fa:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84539sec preferred_lft 84539sec inet6 fe80::f816:3eff:feec:fad0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:6b:d9:e4:d2:02 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-1626) 03/18/26 _x86_64_ (4 CPU) 09:58:14 LINUX RESTART (4 CPU) 10:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 39.32 3.56 21.30 14.46 775.00 4587.09 263345.76 10:20:24 3.36 0.06 3.18 0.12 6.47 516.06 17.25 Average: 20.89 1.77 12.01 7.11 381.19 2501.01 128410.89 10:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 10715552 14016300 1945204 11.88 115956 3350180 2594576 14.89 667028 4652356 19240 10:20:24 9284872 12717660 3242912 19.81 120348 3467400 3444524 19.77 696844 6040100 340 Average: 10000212 13366980 2594058 15.84 118152 3408790 3019550 17.33 681936 5346228 9790 10:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 10:10:01 ens3 96.24 71.71 1087.66 8.80 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:24 lo 0.56 0.56 0.36 0.36 0.00 0.00 0.00 0.00 10:20:24 ens3 7.72 6.44 34.45 1.89 0.00 0.00 0.00 0.00 10:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.53 0.53 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 50.88 38.27 547.97 5.26 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-1626) 03/18/26 _x86_64_ (4 CPU) 09:58:14 LINUX RESTART (4 CPU) 10:00:09 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 34.86 0.00 1.16 0.67 0.09 63.22 10:10:01 0 42.15 0.00 1.12 0.81 0.10 55.82 10:10:01 1 32.11 0.00 1.29 0.45 0.09 66.06 10:10:01 2 29.55 0.00 1.21 0.88 0.09 68.28 10:10:01 3 35.62 0.00 1.04 0.52 0.09 62.72 10:20:24 all 47.30 0.00 0.64 0.02 0.09 51.94 10:20:24 0 36.85 0.00 0.58 0.01 0.09 62.47 10:20:24 1 42.17 0.00 0.60 0.04 0.09 57.09 10:20:24 2 75.25 0.00 0.80 0.02 0.12 23.81 10:20:24 3 34.99 0.00 0.57 0.02 0.08 64.33 Average: all 41.24 0.00 0.89 0.34 0.09 57.43 Average: 0 39.43 0.00 0.84 0.40 0.09 59.24 Average: 1 37.26 0.00 0.94 0.24 0.09 61.47 Average: 2 52.99 0.00 1.00 0.44 0.10 45.47 Average: 3 35.30 0.00 0.80 0.27 0.09 63.55