---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22569 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: 5600.00 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 10513 4 4800 14971 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:c2:55:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84789sec preferred_lft 84789sec inet6 fe80::f816:3eff:fec2:5522/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:eb:c7:b9:24:8e 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-22569) 06/02/26 _x86_64_ (4 CPU) 11:09:28 LINUX RESTART (4 CPU) 11:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:01 48.54 4.19 43.01 1.34 260.57 5290.46 3611.26 11:30:21 26.90 0.76 22.71 3.43 27.20 3188.86 5455.19 Average: 37.55 2.45 32.69 2.40 141.97 4222.42 4548.34 11:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 10845108 14120780 1839628 11.24 127824 3276736 2461320 14.13 542880 4614736 27612 11:30:21 8579892 13005796 2945672 17.99 164984 4305348 3641872 20.90 852764 6456732 304416 Average: 9712500 13563288 2392650 14.61 146404 3791042 3051596 17.52 697822 5535734 166014 11:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 1.15 1.15 0.11 0.11 0.00 0.00 0.00 0.00 11:20:01 ens3 139.77 106.10 989.65 23.16 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:21 lo 1534.47 1534.47 1462.89 1462.89 0.00 0.00 0.00 0.00 11:30:21 ens3 92.41 68.97 401.59 18.76 0.00 0.00 0.00 0.00 11:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 780.38 780.38 743.50 743.50 0.00 0.00 0.00 0.00 Average: ens3 115.70 87.23 690.80 20.93 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-22569) 06/02/26 _x86_64_ (4 CPU) 11:09:28 LINUX RESTART (4 CPU) 11:10:00 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 50.44 0.00 1.88 0.41 0.09 47.18 11:20:01 0 49.44 0.00 1.85 0.60 0.09 48.02 11:20:01 1 50.84 0.00 1.78 0.20 0.09 47.09 11:20:01 2 50.70 0.00 1.97 0.64 0.10 46.60 11:20:01 3 50.78 0.00 1.90 0.19 0.09 47.04 11:30:21 all 68.05 0.00 2.70 0.14 0.13 28.98 11:30:21 0 66.68 0.00 2.56 0.15 0.13 30.48 11:30:21 1 69.08 0.00 2.71 0.23 0.13 27.85 11:30:21 2 67.99 0.00 2.69 0.07 0.12 29.13 11:30:21 3 68.47 0.00 2.85 0.09 0.13 28.46 Average: all 59.39 0.00 2.30 0.27 0.11 37.94 Average: 0 58.19 0.00 2.21 0.37 0.11 39.12 Average: 1 60.10 0.00 2.25 0.22 0.11 37.31 Average: 2 59.48 0.00 2.34 0.35 0.11 37.72 Average: 3 59.77 0.00 2.38 0.14 0.11 37.60