---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-264042 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 644 10402 4 4942 15002 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:79:5a:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84868sec preferred_lft 84868sec inet6 fe80::f816:3eff:fe79:5a15/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:c1:83:ab:c2:d4 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-264042) 03/08/26 _x86_64_ (4 CPU) 13:28:42 LINUX RESTART (4 CPU) 13:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:19 15.04 2.94 11.65 0.45 543.98 3475.89 5096.41 13:50:01 3.95 0.33 3.42 0.20 10.67 575.87 234.23 Average: 9.61 1.66 7.62 0.33 282.46 2053.82 2712.17 13:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:19 9507432 12625128 3337236 20.38 114612 3168364 3543372 20.34 632932 5885796 380 13:50:01 9856808 13493968 2465876 15.06 128416 3642816 2710184 15.56 695252 5437584 352292 Average: 9682120 13059548 2901556 17.72 121514 3405590 3126778 17.95 664092 5661690 176336 13:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:19 lo 0.63 0.63 0.25 0.25 0.00 0.00 0.00 0.00 13:40:19 ens3 68.72 53.85 837.29 7.48 0.00 0.00 0.00 0.00 13:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 89.39 89.39 84.95 84.95 0.00 0.00 0.00 0.00 13:50:01 ens3 36.63 25.73 421.28 3.28 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 44.15 44.15 41.79 41.79 0.00 0.00 0.00 0.00 Average: ens3 52.98 40.06 633.29 5.42 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-264042) 03/08/26 _x86_64_ (4 CPU) 13:28:42 LINUX RESTART (4 CPU) 13:30:14 CPU %user %nice %system %iowait %steal %idle 13:40:19 all 51.75 0.00 1.06 0.08 0.08 47.03 13:40:19 0 50.09 0.00 0.93 0.10 0.09 48.79 13:40:19 1 54.46 0.00 1.26 0.08 0.08 44.11 13:40:19 2 52.45 0.00 1.13 0.05 0.09 46.29 13:40:19 3 50.01 0.00 0.91 0.08 0.08 48.91 13:50:01 all 45.73 0.00 0.71 0.01 0.07 53.48 13:50:01 0 33.18 0.00 0.68 0.01 0.07 66.06 13:50:01 1 50.04 0.00 0.69 0.01 0.08 49.19 13:50:01 2 32.45 0.00 0.68 0.02 0.07 66.78 13:50:01 3 67.18 0.00 0.78 0.01 0.08 31.95 Average: all 48.80 0.00 0.89 0.05 0.08 50.19 Average: 0 41.80 0.00 0.81 0.06 0.08 57.26 Average: 1 52.29 0.00 0.98 0.05 0.08 46.61 Average: 2 42.64 0.00 0.91 0.03 0.08 56.34 Average: 3 58.43 0.00 0.85 0.05 0.08 40.60