---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19110 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 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 727 9448 4 5813 14919 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:79:33:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84023sec preferred_lft 84023sec inet6 fe80::f816:3eff:fe79:3320/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:bf:11:97:83:94 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-19110) 05/22/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:06 16.59 1.91 13.57 1.11 125.50 4083.90 1888.69 20:50:11 74.22 0.31 48.56 25.36 9.47 4003.98 253124.34 21:00:12 33.78 0.30 28.33 5.15 11.75 4851.28 5869.13 Average: 41.66 0.84 30.23 10.59 48.65 4312.91 87516.55 20:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:06 9676012 13613308 2341444 14.30 173120 3830528 2565964 14.73 687108 5556556 283100 20:50:11 8735644 13263908 2685604 16.40 204756 4346080 2898796 16.64 832848 6305576 120524 21:00:12 9798604 15383692 561304 3.43 238992 5310484 1107184 6.36 1207928 4792320 16 Average: 9403420 14086969 1862784 11.38 205623 4495697 2190648 12.57 909295 5551484 134547 20:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:06 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 20:40:06 ens3 84.90 66.69 262.23 19.87 0.00 0.00 0.00 0.00 20:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:11 lo 5738.29 5738.29 5472.15 5472.15 0.00 0.00 0.00 0.00 20:50:11 ens3 96.24 68.68 264.18 20.73 0.00 0.00 0.00 0.00 20:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:12 lo 2427.58 2427.58 2302.08 2302.08 0.00 0.00 0.00 0.00 21:00:12 ens3 105.48 93.67 112.93 146.47 0.00 0.00 0.00 0.00 21:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2735.22 2735.22 2603.67 2603.67 0.00 0.00 0.00 0.00 Average: ens3 95.57 76.35 213.11 62.37 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-19110) 05/22/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:10 CPU %user %nice %system %iowait %steal %idle 20:40:06 all 69.54 0.00 2.35 0.12 0.10 27.89 20:40:06 0 68.82 0.00 2.29 0.08 0.11 28.69 20:40:06 1 68.52 0.00 2.13 0.20 0.10 29.05 20:40:06 2 69.46 0.00 2.26 0.08 0.10 28.09 20:40:06 3 71.35 0.00 2.71 0.12 0.11 25.72 20:50:11 all 62.22 0.00 4.09 0.32 0.10 33.27 20:50:11 0 61.89 0.00 4.12 0.43 0.09 33.46 20:50:11 1 62.75 0.00 4.18 0.32 0.10 32.65 20:50:11 2 62.14 0.00 4.33 0.29 0.09 33.15 20:50:11 3 62.08 0.00 3.75 0.25 0.09 33.83 21:00:12 all 47.76 0.00 2.66 0.35 0.09 49.14 21:00:12 0 50.78 0.00 2.76 0.41 0.09 45.96 21:00:12 1 48.57 0.00 2.66 0.42 0.09 48.26 21:00:12 2 45.79 0.00 2.66 0.18 0.09 51.27 21:00:12 3 45.90 0.00 2.54 0.40 0.10 51.07 Average: all 59.82 0.00 3.04 0.27 0.10 36.78 Average: 0 60.48 0.00 3.06 0.31 0.10 36.05 Average: 1 59.93 0.00 2.99 0.31 0.10 36.67 Average: 2 59.12 0.00 3.09 0.18 0.10 37.52 Average: 3 59.75 0.00 3.00 0.25 0.10 36.89