---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5587 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: 5600.00 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 13G 66G 16% / 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 648 8779 4 6561 14998 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:35:ce:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84329sec preferred_lft 84329sec inet6 fe80::f816:3eff:fe35:ce25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:cb:4e:5d:ca:94 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-5587) 03/18/26 _x86_64_ (4 CPU) 14:31:38 LINUX RESTART (4 CPU) 14:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:10 20.54 0.06 18.17 2.31 6.28 2030.61 7711.21 15:00:01 28.53 0.03 25.65 2.85 0.39 4228.80 29783.54 Average: 24.51 0.04 21.88 2.58 3.36 3121.09 18660.93 14:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:10 9659016 13316800 2639840 16.12 143612 3628824 2769720 15.90 712252 5600080 15320 15:00:01 7436880 12063960 3888512 23.75 164224 4534664 3978004 22.83 986176 7503464 2588 Average: 8547948 12690380 3264176 19.94 153918 4081744 3373862 19.37 849214 6551772 8954 14:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:10 lo 1103.29 1103.29 1044.36 1044.36 0.00 0.00 0.00 0.00 14:50:10 ens3 22.14 20.01 18.14 6.39 0.00 0.00 0.00 0.00 14:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1265.74 1265.74 1200.91 1200.91 0.00 0.00 0.00 0.00 15:00:01 ens3 22.10 19.94 44.14 6.42 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1183.88 1183.88 1122.02 1122.02 0.00 0.00 0.00 0.00 Average: ens3 22.12 19.97 31.04 6.40 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-5587) 03/18/26 _x86_64_ (4 CPU) 14:31:38 LINUX RESTART (4 CPU) 14:40:10 CPU %user %nice %system %iowait %steal %idle 14:50:10 all 66.13 0.00 2.21 0.59 0.16 30.91 14:50:10 0 66.66 0.00 1.89 0.13 0.22 31.10 14:50:10 1 64.16 0.00 2.37 0.92 0.13 32.41 14:50:10 2 65.86 0.00 2.36 0.91 0.14 30.73 14:50:10 3 67.84 0.00 2.20 0.38 0.16 29.41 15:00:01 all 56.61 0.00 2.32 0.25 0.13 40.69 15:00:01 0 54.38 0.00 2.23 0.38 0.13 42.88 15:00:01 1 55.45 0.00 2.61 0.23 0.13 41.57 15:00:01 2 55.49 0.00 2.19 0.25 0.13 41.94 15:00:01 3 61.13 0.00 2.24 0.14 0.13 36.36 Average: all 61.41 0.00 2.26 0.42 0.15 35.76 Average: 0 60.56 0.00 2.06 0.26 0.17 36.95 Average: 1 59.84 0.00 2.49 0.58 0.13 36.96 Average: 2 60.72 0.00 2.27 0.58 0.14 36.28 Average: 3 64.51 0.00 2.22 0.26 0.15 32.86