---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1742 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 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 695 9205 4 6088 14951 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:86:0f:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84432sec preferred_lft 84432sec inet6 fe80::f816:3eff:fe86:f72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:5e:e6:c7:a3:78 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-1742) 04/10/26 _x86_64_ (4 CPU) 08:33:50 LINUX RESTART (4 CPU) 08:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:28 17.06 0.09 13.80 3.17 3.49 1403.18 50198.22 09:00:10 26.39 0.16 22.55 3.67 5.01 2082.17 20855.38 Average: 21.58 0.12 18.04 3.41 4.23 1732.12 35982.88 08:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:28 9356200 13016368 2940460 17.96 135284 3642456 3240328 18.60 767308 5853392 224 09:00:10 8518532 12740588 3212612 19.62 162196 4139244 3319344 19.05 927972 6495572 137320 Average: 8937366 12878478 3076536 18.79 148740 3890850 3279836 18.83 847640 6174482 68772 08:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:28 lo 32.31 32.31 7.64 7.64 0.00 0.00 0.00 0.00 08:50:28 ens3 13.94 11.40 13.01 3.62 0.00 0.00 0.00 0.00 08:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:10 lo 1611.02 1611.02 1514.09 1514.09 0.00 0.00 0.00 0.00 09:00:10 ens3 56.10 40.57 277.32 10.77 0.00 0.00 0.00 0.00 09:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 797.13 797.13 737.45 737.45 0.00 0.00 0.00 0.00 Average: ens3 34.36 25.53 141.06 7.08 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-1742) 04/10/26 _x86_64_ (4 CPU) 08:33:50 LINUX RESTART (4 CPU) 08:40:10 CPU %user %nice %system %iowait %steal %idle 08:50:28 all 28.58 0.00 0.96 0.14 0.08 70.23 08:50:28 0 27.71 0.00 1.07 0.19 0.08 70.95 08:50:28 1 29.66 0.00 0.93 0.11 0.08 69.22 08:50:28 2 28.06 0.00 0.96 0.16 0.08 70.74 08:50:28 3 28.91 0.00 0.90 0.09 0.08 70.02 09:00:10 all 40.13 0.00 1.96 0.11 0.10 57.70 09:00:10 0 40.55 0.00 1.91 0.07 0.09 57.37 09:00:10 1 39.07 0.00 2.01 0.21 0.09 58.62 09:00:10 2 39.82 0.00 2.10 0.06 0.10 57.91 09:00:10 3 41.10 0.00 1.82 0.09 0.10 56.89 Average: all 34.18 0.00 1.45 0.12 0.09 64.16 Average: 0 33.93 0.00 1.47 0.14 0.09 64.37 Average: 1 34.21 0.00 1.45 0.16 0.09 64.09 Average: 2 33.76 0.00 1.51 0.11 0.09 64.53 Average: 3 34.81 0.00 1.35 0.09 0.09 63.66