---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-874 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 68G 14% / 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 675 10495 4 4817 14970 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:24:a7:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84434sec preferred_lft 84434sec inet6 fe80::f816:3eff:fe24:a7a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:df:4b:6e:a7:a5 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-874) 07/31/26 _x86_64_ (4 CPU) 10:49:24 LINUX RESTART (4 CPU) 10:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:01 38.22 3.81 33.59 0.82 243.99 4160.32 1339.80 11:10:02 10.81 0.44 9.28 1.09 17.32 2274.94 2809.31 11:20:02 28.85 0.58 24.05 4.22 22.35 3793.56 6379.27 Average: 25.95 1.61 22.29 2.04 94.44 3408.63 3510.23 10:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 10854644 13839644 2123952 12.97 116396 3024756 2476872 14.22 479788 4700172 56756 11:10:02 9557184 13184780 2772412 16.93 146400 3573428 3068836 17.62 645872 5748692 28028 11:20:02 10802724 15376268 574684 3.51 171836 4432320 1098584 6.31 897644 4170144 220 Average: 10404851 14133564 1823683 11.14 144877 3676835 2214764 12.71 674435 4873003 28335 10:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:01 lo 0.54 0.54 0.05 0.05 0.00 0.00 0.00 0.00 11:00:01 ens3 102.38 80.60 1026.49 13.37 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:02 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 11:10:02 ens3 68.67 54.48 102.90 17.99 0.00 0.00 0.00 0.00 11:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:02 lo 1757.07 1757.07 1664.53 1664.53 0.00 0.00 0.00 0.00 11:20:02 ens3 96.69 86.19 409.69 110.51 0.00 0.00 0.00 0.00 11:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 586.35 586.35 554.91 554.91 0.00 0.00 0.00 0.00 Average: ens3 89.23 73.74 512.55 47.29 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-874) 07/31/26 _x86_64_ (4 CPU) 10:49:24 LINUX RESTART (4 CPU) 10:50:02 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 20.06 0.00 0.93 0.28 0.05 78.69 11:00:01 0 16.83 0.00 0.81 0.10 0.04 82.21 11:00:01 1 23.42 0.00 1.00 0.20 0.06 75.32 11:00:01 2 19.50 0.00 0.96 0.10 0.04 79.39 11:00:01 3 20.52 0.00 0.93 0.71 0.05 77.80 11:10:02 all 72.45 0.00 2.26 0.02 0.13 25.14 11:10:02 0 73.42 0.00 2.17 0.03 0.13 24.26 11:10:02 1 73.58 0.00 2.06 0.02 0.13 24.21 11:10:02 2 70.12 0.00 2.32 0.03 0.13 27.40 11:10:02 3 72.69 0.00 2.48 0.02 0.13 24.68 11:20:02 all 48.24 0.00 2.26 0.12 0.11 49.26 11:20:02 0 47.93 0.00 2.33 0.23 0.11 49.40 11:20:02 1 47.47 0.00 2.22 0.11 0.11 50.10 11:20:02 2 50.91 0.00 2.27 0.06 0.11 46.64 11:20:02 3 46.65 0.00 2.23 0.09 0.11 50.92 Average: all 46.94 0.00 1.82 0.14 0.10 51.01 Average: 0 46.08 0.00 1.77 0.12 0.10 51.94 Average: 1 48.19 0.00 1.76 0.11 0.10 49.84 Average: 2 46.86 0.00 1.85 0.06 0.09 51.14 Average: 3 46.63 0.00 1.88 0.27 0.09 51.12