---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18 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 67G 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 730 9612 4 5646 14916 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:5c:34:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84523sec preferred_lft 84523sec inet6 fe80::f816:3eff:fe5c:348f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:33:88:64:ee:53 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-18) 03/17/26 _x86_64_ (4 CPU) 13:00:22 LINUX RESTART (4 CPU) 13:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:01 32.96 0.17 29.10 3.69 6.97 3012.83 16603.38 13:30:16 23.96 0.29 20.95 2.72 11.58 6577.23 3642.08 Average: 28.35 0.23 24.92 3.19 9.33 4837.81 9967.15 13:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:01 8616924 12656564 3296360 20.13 176760 3925276 3451148 19.81 816600 6482828 79104 13:30:16 9928468 15347556 597932 3.65 206520 5194628 1096908 6.30 930312 4939748 16 Average: 9272696 14002060 1947146 11.89 191640 4559952 2274028 13.05 873456 5711288 39560 13:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:01 lo 1651.59 1651.59 1574.79 1574.79 0.00 0.00 0.00 0.00 13:20:01 ens3 56.54 44.05 211.63 13.17 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:16 lo 290.10 290.10 269.27 269.27 0.00 0.00 0.00 0.00 13:30:16 ens3 73.09 66.98 114.94 190.18 0.00 0.00 0.00 0.00 13:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 954.50 954.50 906.36 906.36 0.00 0.00 0.00 0.00 Average: ens3 65.02 55.79 162.12 103.80 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-18) 03/17/26 _x86_64_ (4 CPU) 13:00:22 LINUX RESTART (4 CPU) 13:10:15 CPU %user %nice %system %iowait %steal %idle 13:20:01 all 62.53 0.00 2.60 0.06 0.10 34.70 13:20:01 0 62.26 0.00 2.41 0.11 0.10 35.12 13:20:01 1 59.60 0.00 2.47 0.07 0.10 37.76 13:20:01 2 64.01 0.00 2.58 0.04 0.10 33.27 13:20:01 3 64.26 0.00 2.95 0.04 0.10 32.64 13:30:16 all 50.21 0.00 1.75 0.06 0.08 47.89 13:30:16 0 44.21 0.00 1.57 0.11 0.08 54.03 13:30:16 1 56.52 0.00 1.82 0.08 0.08 41.50 13:30:16 2 53.03 0.00 1.96 0.02 0.09 44.90 13:30:16 3 47.10 0.00 1.64 0.05 0.08 51.13 Average: all 56.22 0.00 2.16 0.06 0.09 41.46 Average: 0 53.01 0.00 1.98 0.11 0.09 44.81 Average: 1 58.02 0.00 2.14 0.07 0.09 39.68 Average: 2 58.39 0.00 2.26 0.03 0.10 39.23 Average: 3 55.46 0.00 2.28 0.05 0.09 42.13