---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8210 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 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 710 9329 4 5949 14936 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:d8:08:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84554sec preferred_lft 84554sec inet6 fe80::f816:3eff:fed8:855/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:f2:36:95:6f:9a 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-8210) 04/26/26 _x86_64_ (4 CPU) 05:12:18 LINUX RESTART (4 CPU) 05:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:04 10.77 0.02 9.02 1.74 0.23 630.66 24059.89 05:40:04 39.59 0.59 33.30 5.69 19.76 8188.97 34973.40 Average: 25.18 0.30 21.16 3.72 9.99 4409.88 29516.74 05:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:04 9504252 13085596 2872108 17.54 133840 3562368 3144384 18.05 715592 5762516 41848 05:40:04 9666140 15400672 545972 3.33 173128 5575220 1065676 6.12 1592380 4610692 35632 Average: 9585196 14243134 1709040 10.44 153484 4568794 2105030 12.08 1153986 5186604 38740 05:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:04 lo 59.04 59.04 14.53 14.53 0.00 0.00 0.00 0.00 05:30:04 ens3 6.52 5.37 4.41 1.71 0.00 0.00 0.00 0.00 05:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:04 lo 2460.20 2460.20 2367.30 2367.30 0.00 0.00 0.00 0.00 05:40:04 ens3 77.61 58.95 468.64 15.44 0.00 0.00 0.00 0.00 05:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1259.64 1259.64 1190.93 1190.93 0.00 0.00 0.00 0.00 Average: ens3 42.07 32.16 236.53 8.57 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-8210) 04/26/26 _x86_64_ (4 CPU) 05:12:18 LINUX RESTART (4 CPU) 05:20:04 CPU %user %nice %system %iowait %steal %idle 05:30:04 all 15.55 0.00 0.80 0.07 0.09 83.49 05:30:04 0 15.63 0.00 0.79 0.05 0.10 83.43 05:30:04 1 14.76 0.00 0.84 0.08 0.09 84.22 05:30:04 2 15.63 0.00 0.73 0.07 0.09 83.48 05:30:04 3 16.19 0.00 0.83 0.07 0.09 82.82 05:40:04 all 49.22 0.00 2.55 0.15 0.08 48.00 05:40:04 0 48.13 0.00 2.50 0.24 0.08 49.06 05:40:04 1 49.29 0.00 2.32 0.12 0.08 48.19 05:40:04 2 50.12 0.00 2.87 0.09 0.08 46.83 05:40:04 3 49.34 0.00 2.52 0.14 0.08 47.93 Average: all 32.37 0.00 1.67 0.11 0.09 65.76 Average: 0 31.87 0.00 1.64 0.14 0.09 66.26 Average: 1 32.01 0.00 1.58 0.10 0.09 66.22 Average: 2 32.86 0.00 1.80 0.08 0.08 65.18 Average: 3 32.75 0.00 1.67 0.10 0.08 65.39