---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488696 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: 5599.94 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 627 8758 4 6603 15019 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:e1:07:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84550sec preferred_lft 84550sec inet6 fe80::f816:3eff:fee1:7ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:f1:4b:6c:13:fc 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-488696) 03/16/26 _x86_64_ (4 CPU) 09:30:09 LINUX RESTART (4 CPU) 09:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:00 26.14 0.02 23.48 2.64 0.20 2291.54 10758.21 10:00:01 20.12 0.03 18.54 1.55 0.37 8854.96 10089.37 Average: 23.10 0.02 20.99 2.09 0.29 5600.02 10421.06 09:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:00 8704316 12681344 3274852 20.00 154176 3917460 3302304 18.96 778312 6476772 206244 10:00:01 8042580 14435272 1512796 9.24 175660 6231472 2898704 16.64 1645788 6143120 182132 Average: 8373448 13558308 2393824 14.62 164918 5074466 3100504 17.80 1212050 6309946 194188 09:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:00 lo 1195.91 1195.91 1139.31 1139.31 0.00 0.00 0.00 0.00 09:50:00 ens3 24.91 21.68 39.09 6.64 0.00 0.00 0.00 0.00 09:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 791.96 791.96 7360.72 7360.72 0.00 0.00 0.00 0.00 10:00:01 ens3 35.91 27.98 143.79 7.38 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 992.29 992.29 4275.39 4275.39 0.00 0.00 0.00 0.00 Average: ens3 30.45 24.85 91.87 7.02 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-488696) 03/16/26 _x86_64_ (4 CPU) 09:30:09 LINUX RESTART (4 CPU) 09:40:09 CPU %user %nice %system %iowait %steal %idle 09:50:00 all 67.63 0.00 2.33 0.06 0.10 29.88 09:50:00 0 66.09 0.00 2.07 0.08 0.10 31.65 09:50:00 1 67.88 0.00 2.57 0.07 0.10 29.37 09:50:00 2 69.93 0.00 2.50 0.04 0.10 27.43 09:50:00 3 66.62 0.00 2.20 0.02 0.10 31.06 10:00:01 all 46.20 0.00 1.72 0.23 0.09 51.75 10:00:01 0 47.40 0.00 1.59 0.15 0.10 50.76 10:00:01 1 48.09 0.00 2.11 0.29 0.09 49.41 10:00:01 2 45.00 0.00 1.75 0.43 0.09 52.73 10:00:01 3 44.31 0.00 1.45 0.05 0.08 54.11 Average: all 56.81 0.00 2.03 0.14 0.10 40.92 Average: 0 56.66 0.00 1.83 0.12 0.10 41.29 Average: 1 57.89 0.00 2.34 0.18 0.10 39.49 Average: 2 57.34 0.00 2.12 0.24 0.10 40.21 Average: 3 55.36 0.00 1.82 0.04 0.09 42.69