---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4252 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 68G 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 667 10502 4 4819 14979 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:ed:f6:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84537sec preferred_lft 84537sec inet6 fe80::f816:3eff:feed:f6c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:ac:f1:40:90:b1 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-4252) 04/18/26 _x86_64_ (4 CPU) 12:36:39 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:13 27.72 1.97 12.00 13.75 124.99 2734.44 237368.78 13:00:13 27.44 0.77 23.52 3.15 27.97 3182.60 2484.36 Average: 27.58 1.38 17.71 8.50 76.96 2956.30 121092.24 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:13 10763944 14039704 1920140 11.73 131412 3277524 2517172 14.45 574184 4669096 24196 13:00:13 8917272 13122084 2830072 17.28 168068 4093924 3072092 17.63 800064 6205860 98232 Average: 9840608 13580894 2375106 14.51 149740 3685724 2794632 16.04 687124 5437478 61214 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:13 lo 0.90 0.90 0.09 0.09 0.00 0.00 0.00 0.00 12:50:13 ens3 87.70 71.28 725.38 15.48 0.00 0.00 0.00 0.00 12:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:13 lo 1395.59 1395.59 1329.75 1329.75 0.00 0.00 0.00 0.00 13:00:13 ens3 86.60 64.74 327.06 18.94 0.00 0.00 0.00 0.00 13:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 691.32 691.32 658.32 658.32 0.00 0.00 0.00 0.00 Average: ens3 87.16 68.04 528.19 17.19 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-4252) 04/18/26 _x86_64_ (4 CPU) 12:36:39 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:13 all 46.23 0.00 1.73 0.12 0.07 51.85 12:50:13 0 45.29 0.00 1.54 0.22 0.07 52.88 12:50:13 1 47.29 0.00 1.55 0.07 0.07 51.02 12:50:13 2 47.11 0.00 2.09 0.11 0.07 50.62 12:50:13 3 45.25 0.00 1.74 0.08 0.07 52.87 13:00:13 all 69.13 0.00 2.85 0.07 0.09 27.87 13:00:13 0 67.36 0.00 2.87 0.07 0.09 29.60 13:00:13 1 68.54 0.00 2.70 0.09 0.09 28.58 13:00:13 2 69.98 0.00 2.80 0.05 0.09 27.09 13:00:13 3 70.62 0.00 3.02 0.06 0.09 26.21 Average: all 57.55 0.00 2.28 0.09 0.08 39.99 Average: 0 56.20 0.00 2.20 0.15 0.08 41.37 Average: 1 57.79 0.00 2.12 0.08 0.08 39.93 Average: 2 58.42 0.00 2.44 0.08 0.08 38.98 Average: 3 57.80 0.00 2.37 0.07 0.08 39.68