---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17193 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 8.5G 69G 11% / 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 660 12635 4 2692 15002 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:b1:8d:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84501sec preferred_lft 84501sec inet6 fe80::f816:3eff:feb1:8db9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:a7:2c:fc:5f:b5 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-17193) 05/20/26 _x86_64_ (4 CPU) 16:38:45 LINUX RESTART (4 CPU) 16:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:01 2.90 0.26 2.50 0.14 209.23 272.88 457.92 17:00:00 1.30 0.01 1.30 0.00 0.04 14.52 0.00 17:10:01 11.10 1.41 8.65 1.05 107.82 823.04 201.62 Average: 5.11 0.56 4.15 0.40 105.76 370.66 219.97 16:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:01 13645860 15528604 488380 2.98 55496 2053188 1143636 6.56 257252 2214052 4 17:00:00 13646776 15530008 487088 2.97 55956 2053200 1143636 6.56 257716 2214948 8 17:10:01 13042680 15366820 623456 3.81 88504 2438536 1265896 7.27 336536 2711276 232860 Average: 13445105 15475144 532975 3.26 66652 2181641 1184389 6.80 283835 2380092 77624 16:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 16:50:01 ens3 3.65 1.52 59.14 0.14 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:00:00 ens3 0.26 0.12 0.07 0.04 0.00 0.00 0.00 0.00 17:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 17:10:01 ens3 21.97 16.26 170.71 4.80 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 8.64 5.98 76.75 1.66 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-17193) 05/20/26 _x86_64_ (4 CPU) 16:38:45 LINUX RESTART (4 CPU) 16:40:01 CPU %user %nice %system %iowait %steal %idle 16:50:01 all 0.20 0.00 0.05 0.09 0.01 99.64 16:50:01 0 0.18 0.00 0.05 0.24 0.01 99.52 16:50:01 1 0.50 0.00 0.04 0.02 0.02 99.42 16:50:01 2 0.07 0.00 0.06 0.01 0.01 99.85 16:50:01 3 0.06 0.00 0.06 0.10 0.01 99.77 17:00:00 all 0.11 0.00 0.02 0.01 0.01 99.85 17:00:00 0 0.36 0.00 0.02 0.01 0.02 99.60 17:00:00 1 0.03 0.00 0.03 0.01 0.02 99.91 17:00:00 2 0.03 0.00 0.02 0.01 0.01 99.93 17:00:00 3 0.02 0.00 0.02 0.00 0.01 99.96 17:10:01 all 2.20 0.00 0.21 0.17 0.02 97.40 17:10:01 0 2.30 0.00 0.29 0.50 0.02 96.90 17:10:01 1 3.32 0.00 0.30 0.10 0.02 96.26 17:10:01 2 2.66 0.00 0.18 0.06 0.02 97.09 17:10:01 3 0.53 0.00 0.08 0.01 0.02 99.36 Average: all 0.84 0.00 0.10 0.09 0.01 98.96 Average: 0 0.95 0.00 0.12 0.25 0.01 98.67 Average: 1 1.28 0.00 0.13 0.04 0.02 98.53 Average: 2 0.92 0.00 0.09 0.03 0.01 98.95 Average: 3 0.20 0.00 0.05 0.04 0.01 99.70