---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25182 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 67G 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 695 10397 4 4896 14951 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:80:56:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83959sec preferred_lft 83959sec inet6 fe80::f816:3eff:fe80:5692/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:1c:f2:1b:e0:27 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-25182) 06/05/26 _x86_64_ (4 CPU) 17:35:21 LINUX RESTART (4 CPU) 17:40:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:11 17.81 1.47 15.41 0.93 56.73 2616.11 1955.03 18:00:11 14.83 1.78 12.00 1.04 124.10 3064.45 2570.11 18:10:10 30.69 0.90 25.37 4.42 30.06 4266.78 5819.70 Average: 21.12 1.38 17.60 2.14 70.39 3319.49 3456.08 17:40:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:11 12204228 15018324 946096 5.78 113716 2874116 1428832 8.20 417716 3403788 242792 18:00:11 10247016 13790604 2167496 13.24 140860 3514284 2373444 13.62 626656 5095648 30896 18:10:10 10720520 15374852 575964 3.52 175136 4509380 1102820 6.33 925908 4225128 26476 Average: 11057255 14727927 1229852 7.51 143237 3632593 1635032 9.39 656760 4241521 100055 17:40:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:11 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 17:50:11 ens3 64.63 52.42 843.32 7.11 0.00 0.00 0.00 0.00 17:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:11 lo 1.35 1.35 0.13 0.13 0.00 0.00 0.00 0.00 18:00:11 ens3 65.79 54.20 240.70 17.01 0.00 0.00 0.00 0.00 18:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:10 lo 1777.89 1777.89 1694.60 1694.60 0.00 0.00 0.00 0.00 18:10:10 ens3 80.00 58.07 403.16 18.72 0.00 0.00 0.00 0.00 18:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 596.21 596.21 567.80 567.80 0.00 0.00 0.00 0.00 Average: ens3 70.17 54.91 493.76 14.32 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-25182) 06/05/26 _x86_64_ (4 CPU) 17:35:21 LINUX RESTART (4 CPU) 17:40:22 CPU %user %nice %system %iowait %steal %idle 17:50:11 all 4.61 0.00 0.49 1.13 0.03 93.74 17:50:11 0 3.92 0.00 0.40 0.32 0.02 95.33 17:50:11 1 4.58 0.00 0.59 0.41 0.05 94.38 17:50:11 2 3.94 0.00 0.52 0.48 0.04 95.02 17:50:11 3 6.01 0.00 0.43 3.31 0.03 90.23 18:00:11 all 70.53 0.00 2.28 1.12 0.14 25.92 18:00:11 0 72.15 0.00 2.16 0.98 0.14 24.57 18:00:11 1 70.28 0.00 2.35 1.67 0.15 25.55 18:00:11 2 69.13 0.00 2.32 0.91 0.14 27.50 18:00:11 3 70.58 0.00 2.29 0.93 0.14 26.06 18:10:10 all 64.40 0.00 2.87 0.65 0.14 31.93 18:10:10 0 65.38 0.00 3.05 0.35 0.14 31.09 18:10:10 1 60.24 0.00 2.49 1.37 0.14 35.76 18:10:10 2 66.15 0.00 3.03 0.52 0.14 30.16 18:10:10 3 65.85 0.00 2.90 0.38 0.14 30.73 Average: all 46.68 0.00 1.88 0.97 0.11 50.37 Average: 0 47.32 0.00 1.88 0.55 0.10 50.15 Average: 1 45.21 0.00 1.82 1.15 0.11 51.71 Average: 2 46.55 0.00 1.96 0.64 0.11 50.74 Average: 3 47.62 0.00 1.88 1.53 0.10 48.87