---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22351 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 12G 66G 15% / 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 9129 4 6192 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:5b:71:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84448sec preferred_lft 84448sec inet6 fe80::f816:3eff:fe5b:71bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:65:8e:11:a4:f2 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-22351) 03/24/26 _x86_64_ (4 CPU) 18:13:57 LINUX RESTART (4 CPU) 18:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:36 29.20 0.09 13.54 15.57 3.54 1276.63 259719.11 18:40:36 27.77 0.17 23.70 3.90 5.17 2477.97 28376.58 Average: 28.50 0.13 18.48 9.90 4.33 1860.07 147366.06 18:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:36 9337520 13113032 2843100 17.36 136744 3754964 3103504 17.81 847180 5788512 460 18:40:36 7430100 13069024 2879320 17.59 161752 5516484 2943912 16.90 1570116 6899028 1289232 Average: 8383810 13091028 2861210 17.48 149248 4635724 3023708 17.36 1208648 6343770 644846 18:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:36 lo 35.28 35.28 8.26 8.26 0.00 0.00 0.00 0.00 18:30:36 ens3 11.52 10.07 12.76 3.53 0.00 0.00 0.00 0.00 18:30:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:36 lo 1517.54 1517.54 1428.42 1428.42 0.00 0.00 0.00 0.00 18:40:36 ens3 64.97 49.50 344.57 12.45 0.00 0.00 0.00 0.00 18:40:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 755.15 755.15 697.97 697.97 0.00 0.00 0.00 0.00 Average: ens3 37.48 29.22 173.91 7.86 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-22351) 03/24/26 _x86_64_ (4 CPU) 18:13:57 LINUX RESTART (4 CPU) 18:20:01 CPU %user %nice %system %iowait %steal %idle 18:30:36 all 28.10 0.00 1.02 0.15 0.09 70.65 18:30:36 0 28.77 0.00 1.02 0.19 0.08 69.94 18:30:36 1 28.41 0.00 1.04 0.12 0.08 70.35 18:30:36 2 27.08 0.00 0.89 0.10 0.09 71.84 18:30:36 3 28.12 0.00 1.12 0.20 0.09 70.46 18:40:36 all 41.51 0.00 2.08 0.08 0.09 56.24 18:40:36 0 42.01 0.00 2.09 0.04 0.09 55.77 18:40:36 1 41.39 0.00 2.22 0.10 0.09 56.20 18:40:36 2 42.05 0.00 1.90 0.09 0.09 55.86 18:40:36 3 40.58 0.00 2.13 0.07 0.09 57.13 Average: all 34.61 0.00 1.54 0.12 0.09 63.65 Average: 0 35.20 0.00 1.54 0.12 0.09 63.06 Average: 1 34.71 0.00 1.61 0.11 0.09 63.48 Average: 2 34.35 0.00 1.38 0.10 0.09 64.08 Average: 3 34.16 0.00 1.61 0.14 0.09 64.00