---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9910 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 9.3G 69G 13% / 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 605 11713 4 3670 15041 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:1d:20:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83672sec preferred_lft 83672sec inet6 fe80::f816:3eff:fe1d:207c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:df:4e:90:4d:68 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-9910) 04/30/26 _x86_64_ (4 CPU) 11:12:20 LINUX RESTART (4 CPU) 11:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:11 1.28 0.00 1.27 0.00 0.04 14.98 0.13 11:40:12 1.12 0.00 1.12 0.00 0.00 13.10 0.00 11:50:01 60.41 4.80 52.23 3.38 279.11 5749.59 37744.19 Average: 20.69 1.58 18.00 1.11 91.90 1902.27 12426.02 11:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:11 13775040 15520200 498680 3.05 53972 1918044 1127732 6.47 192788 2150792 208 11:40:12 13773784 15519292 499624 3.05 54324 1918048 1127732 6.47 193124 2151832 160 11:50:01 9755644 13090348 2869924 17.53 123984 3343548 3091972 17.75 649012 5594980 5272 Average: 12434823 14709947 1289409 7.88 77427 2393213 1782479 10.23 344975 3299201 1880 11:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:30:11 ens3 0.29 0.08 0.05 0.02 0.00 0.00 0.00 0.00 11:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:40:12 ens3 0.30 0.11 0.08 0.04 0.00 0.00 0.00 0.00 11:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 17.44 17.44 3.77 3.77 0.00 0.00 0.00 0.00 11:50:01 ens3 105.89 80.30 929.17 15.28 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 5.81 5.81 1.25 1.25 0.00 0.00 0.00 0.00 Average: ens3 35.06 26.50 305.94 5.05 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-9910) 04/30/26 _x86_64_ (4 CPU) 11:12:20 LINUX RESTART (4 CPU) 11:20:10 CPU %user %nice %system %iowait %steal %idle 11:30:11 all 0.08 0.00 0.03 0.01 0.01 99.87 11:30:11 0 0.02 0.00 0.02 0.00 0.01 99.95 11:30:11 1 0.03 0.00 0.02 0.00 0.01 99.93 11:30:11 2 0.25 0.00 0.03 0.01 0.02 99.69 11:30:11 3 0.02 0.00 0.03 0.01 0.02 99.92 11:40:12 all 0.21 0.00 0.02 0.01 0.01 99.75 11:40:12 0 0.01 0.00 0.02 0.00 0.01 99.95 11:40:12 1 0.08 0.00 0.03 0.01 0.02 99.85 11:40:12 2 0.69 0.00 0.01 0.00 0.01 99.28 11:40:12 3 0.06 0.00 0.02 0.00 0.01 99.90 11:50:01 all 34.71 0.00 1.50 0.32 0.08 63.38 11:50:01 0 32.86 0.00 1.57 0.10 0.08 65.38 11:50:01 1 37.80 0.00 1.50 0.57 0.08 60.05 11:50:01 2 33.15 0.00 1.51 0.10 0.08 65.15 11:50:01 3 35.05 0.00 1.43 0.49 0.09 62.95 Average: all 11.51 0.00 0.51 0.11 0.04 87.83 Average: 0 10.81 0.00 0.53 0.04 0.03 88.58 Average: 1 12.48 0.00 0.51 0.19 0.04 86.78 Average: 2 11.20 0.00 0.51 0.04 0.04 88.21 Average: 3 11.55 0.00 0.49 0.17 0.04 87.76