---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53142 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 647 8834 4 6507 14999 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:af:3c:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84458sec preferred_lft 84458sec inet6 fe80::f816:3eff:feaf:3c77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:0a:3d:8c:22:54 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-53142) 03/26/26 _x86_64_ (4 CPU) 11:32:58 LINUX RESTART (4 CPU) 11:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:07 26.36 0.03 23.47 2.86 0.41 2284.99 7442.28 12:00:01 21.74 0.03 19.62 2.09 0.71 3990.67 8652.29 Average: 24.07 0.03 21.56 2.48 0.56 3132.97 8043.84 11:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:07 9262860 12905044 3052012 18.64 145320 3609592 3138552 18.02 715688 5982940 16480 12:00:01 5766904 10362144 5591124 34.15 160016 4506908 5451584 31.29 990628 9149632 1228 Average: 7514882 11633594 4321568 26.39 152668 4058250 4295068 24.65 853158 7566286 8854 11:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:07 lo 1437.47 1437.47 1364.23 1364.23 0.00 0.00 0.00 0.00 11:50:07 ens3 22.73 18.99 10.46 6.29 0.00 0.00 0.00 0.00 11:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 919.67 919.67 3140.56 3140.56 0.00 0.00 0.00 0.00 12:00:01 ens3 22.46 18.96 43.21 6.11 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1180.05 1180.05 2247.33 2247.33 0.00 0.00 0.00 0.00 Average: ens3 22.60 18.98 26.74 6.20 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-53142) 03/26/26 _x86_64_ (4 CPU) 11:32:58 LINUX RESTART (4 CPU) 11:40:07 CPU %user %nice %system %iowait %steal %idle 11:50:07 all 64.62 0.00 2.41 0.05 0.12 32.80 11:50:07 0 65.95 0.00 2.31 0.07 0.11 31.56 11:50:07 1 63.71 0.00 2.64 0.04 0.12 33.49 11:50:07 2 64.29 0.00 2.31 0.06 0.12 33.23 11:50:07 3 64.51 0.00 2.41 0.04 0.12 32.93 12:00:01 all 53.26 0.00 1.95 0.07 0.11 44.61 12:00:01 0 53.85 0.00 1.96 0.08 0.11 44.01 12:00:01 1 50.38 0.00 1.72 0.10 0.10 47.69 12:00:01 2 52.47 0.00 2.06 0.03 0.11 45.32 12:00:01 3 56.34 0.00 2.08 0.06 0.11 41.42 Average: all 58.97 0.00 2.19 0.06 0.11 38.67 Average: 0 59.94 0.00 2.13 0.08 0.11 37.74 Average: 1 57.08 0.00 2.18 0.07 0.11 40.56 Average: 2 58.42 0.00 2.18 0.05 0.11 39.24 Average: 3 60.45 0.00 2.24 0.05 0.11 37.15