---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26425 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 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 10486 4 4826 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:0d:0f:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84226sec preferred_lft 84226sec inet6 fe80::f816:3eff:fe0d:fa6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:79:c2:b3:b0:9e 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-26425) 06/10/26 _x86_64_ (4 CPU) 09:12:21 LINUX RESTART (4 CPU) 09:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:07 11.20 1.93 8.82 0.45 124.57 2282.38 1217.23 09:40:10 18.95 0.77 16.16 2.02 27.80 3239.69 3975.46 Average: 15.10 1.35 12.51 1.24 75.95 2763.33 2602.97 09:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:07 10897632 14100868 1860672 11.36 126424 3210948 2242428 12.87 528284 4569776 29032 09:40:10 9456592 13568304 2384684 14.56 165240 4000544 2619100 15.03 756148 5678864 9244 Average: 10177112 13834586 2122678 12.96 145832 3605746 2430764 13.95 642216 5124320 19138 09:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:07 lo 0.65 0.65 0.06 0.06 0.00 0.00 0.00 0.00 09:30:07 ens3 85.70 65.98 687.04 12.99 0.00 0.00 0.00 0.00 09:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:10 lo 694.15 694.15 661.03 661.03 0.00 0.00 0.00 0.00 09:40:10 ens3 98.98 71.06 333.51 25.81 0.00 0.00 0.00 0.00 09:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 349.06 349.06 332.13 332.13 0.00 0.00 0.00 0.00 Average: ens3 92.37 68.54 509.42 19.43 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-26425) 06/10/26 _x86_64_ (4 CPU) 09:12:21 LINUX RESTART (4 CPU) 09:20:09 CPU %user %nice %system %iowait %steal %idle 09:30:07 all 35.36 0.00 1.09 0.06 0.06 63.43 09:30:07 0 34.49 0.00 1.16 0.03 0.06 64.26 09:30:07 1 36.17 0.00 0.95 0.10 0.06 62.73 09:30:07 2 36.16 0.00 1.21 0.10 0.06 62.46 09:30:07 3 34.63 0.00 1.03 0.02 0.06 64.27 09:40:10 all 70.09 0.00 2.51 0.08 0.10 27.22 09:40:10 0 67.80 0.00 2.06 0.09 0.10 29.95 09:40:10 1 71.50 0.00 2.73 0.07 0.11 25.59 09:40:10 2 70.14 0.00 2.78 0.08 0.11 26.90 09:40:10 3 70.92 0.00 2.46 0.06 0.10 26.46 Average: all 52.79 0.00 1.80 0.07 0.08 45.26 Average: 0 51.22 0.00 1.61 0.06 0.08 47.03 Average: 1 53.90 0.00 1.84 0.09 0.08 44.09 Average: 2 53.21 0.00 2.00 0.09 0.08 44.61 Average: 3 52.85 0.00 1.75 0.04 0.08 45.28