---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20618 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 12G 66G 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 715 8978 4 6294 14931 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:3f:4f:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84493sec preferred_lft 84493sec inet6 fe80::f816:3eff:fe3f:4fa8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:37:0f:83:41:8f 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-20618) 05/27/26 _x86_64_ (4 CPU) 08:06:12 LINUX RESTART (4 CPU) 08:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:00 42.08 3.03 22.39 16.66 750.92 4267.26 279748.65 08:30:00 21.74 0.17 18.60 2.97 5.35 1714.72 28791.77 Average: 31.91 1.60 20.50 9.82 378.22 2991.28 154298.44 08:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:00 9288412 13161384 2795948 17.08 134400 3849672 3178128 18.24 884964 5797012 26556 08:30:00 8966884 13205600 2748464 16.79 154200 4167688 2943288 16.89 1011896 5940796 21268 Average: 9127648 13183492 2772206 16.93 144300 4008680 3060708 17.57 948430 5868904 23912 08:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:00 lo 19.05 19.05 4.09 4.09 0.00 0.00 0.00 0.00 08:20:00 ens3 86.61 62.55 714.38 11.15 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 1237.57 1237.57 1148.36 1148.36 0.00 0.00 0.00 0.00 08:30:00 ens3 46.49 31.18 265.73 7.60 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 628.17 628.17 576.09 576.09 0.00 0.00 0.00 0.00 Average: ens3 66.56 46.87 490.10 9.37 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-20618) 05/27/26 _x86_64_ (4 CPU) 08:06:12 LINUX RESTART (4 CPU) 08:10:00 CPU %user %nice %system %iowait %steal %idle 08:20:00 all 41.58 0.00 1.63 0.39 0.10 56.30 08:20:00 0 42.90 0.00 1.57 0.32 0.10 55.12 08:20:00 1 40.91 0.00 1.73 0.41 0.10 56.85 08:20:00 2 41.35 0.00 1.48 0.31 0.10 56.75 08:20:00 3 41.16 0.00 1.75 0.52 0.10 56.47 08:30:00 all 26.47 0.00 1.49 0.21 0.10 71.73 08:30:00 0 26.60 0.00 1.50 0.09 0.10 71.72 08:30:00 1 26.34 0.00 1.49 0.18 0.09 71.90 08:30:00 2 26.05 0.00 1.58 0.25 0.09 72.03 08:30:00 3 26.90 0.00 1.39 0.32 0.10 71.29 Average: all 34.03 0.00 1.56 0.30 0.10 64.01 Average: 0 34.76 0.00 1.53 0.20 0.10 63.41 Average: 1 33.63 0.00 1.61 0.29 0.10 64.37 Average: 2 33.69 0.00 1.53 0.28 0.10 64.40 Average: 3 34.03 0.00 1.57 0.42 0.10 63.88