---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-444732 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 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 667 8828 4 6493 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:45:5f:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84614sec preferred_lft 84614sec inet6 fe80::f816:3eff:fe45:5f18/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:79:88:f9:2a:20 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-444732) 03/11/26 _x86_64_ (4 CPU) 17:32:49 LINUX RESTART (4 CPU) 17:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:13 26.51 0.03 23.49 2.98 1.85 2245.01 12582.52 18:00:11 21.09 0.02 19.15 1.91 0.35 4041.31 31538.11 Average: 23.80 0.03 21.33 2.45 1.10 3141.23 22039.98 17:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:13 9127004 12819944 3136372 19.16 146124 3656948 3299132 18.94 739216 6105444 22828 18:00:11 5645152 10292372 5659976 34.57 157988 4560116 5408268 31.04 1012860 9225936 24 Average: 7386078 11556158 4398174 26.86 152056 4108532 4353700 24.99 876038 7665690 11426 17:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:13 lo 1453.51 1453.51 1379.68 1379.68 0.00 0.00 0.00 0.00 17:50:13 ens3 23.61 20.34 14.72 6.52 0.00 0.00 0.00 0.00 17:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:11 lo 918.95 918.95 7344.69 7344.69 0.00 0.00 0.00 0.00 18:00:11 ens3 17.68 14.53 18.01 4.85 0.00 0.00 0.00 0.00 18:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1186.80 1186.80 4355.78 4355.78 0.00 0.00 0.00 0.00 Average: ens3 20.65 17.44 16.36 5.69 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-444732) 03/11/26 _x86_64_ (4 CPU) 17:32:49 LINUX RESTART (4 CPU) 17:40:13 CPU %user %nice %system %iowait %steal %idle 17:50:13 all 65.92 0.00 2.40 0.06 0.10 31.51 17:50:13 0 66.50 0.00 2.30 0.07 0.10 31.04 17:50:13 1 65.94 0.00 2.67 0.05 0.10 31.24 17:50:13 2 66.93 0.00 2.05 0.06 0.10 30.86 17:50:13 3 64.33 0.00 2.60 0.05 0.10 32.93 18:00:11 all 50.54 0.00 1.79 0.10 0.08 47.49 18:00:11 0 49.86 0.00 1.69 0.04 0.08 48.33 18:00:11 1 43.46 0.00 2.08 0.19 0.08 54.18 18:00:11 2 50.15 0.00 1.69 0.04 0.08 48.04 18:00:11 3 58.68 0.00 1.72 0.12 0.08 39.41 Average: all 58.24 0.00 2.10 0.08 0.09 39.49 Average: 0 58.19 0.00 2.00 0.05 0.09 39.67 Average: 1 54.72 0.00 2.37 0.12 0.09 42.70 Average: 2 58.56 0.00 1.87 0.05 0.09 39.43 Average: 3 61.51 0.00 2.16 0.08 0.09 36.16