---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1418 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 673 10488 4 4827 14973 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:0f:2c:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83812sec preferred_lft 83812sec inet6 fe80::f816:3eff:fe0f:2c35/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:c3:55:5a:62:f1 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-1418) 08/02/26 _x86_64_ (4 CPU) 02:54:07 LINUX RESTART (4 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:52 1.80 0.00 1.79 0.00 0.04 39.34 0.12 03:20:30 14.64 2.10 11.59 0.95 135.55 3075.28 2391.87 03:30:01 28.46 0.71 24.21 3.54 23.12 4209.71 6081.84 Average: 14.39 0.90 12.05 1.43 50.86 2337.88 2698.78 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:52 13020688 15496340 477988 2.92 99552 2565028 999244 5.74 345532 2668776 196 03:20:30 10419528 13820916 2138300 13.06 139628 3378556 2455572 14.09 578936 4991552 15724 03:30:01 8412548 12887116 3064264 18.72 168584 4345192 3529960 20.26 868824 6613244 2532 Average: 10617588 14068124 1893517 11.56 135921 3429592 2328259 13.36 597764 4757857 6151 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:52 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 03:10:52 ens3 18.24 15.35 217.11 1.53 0.00 0.00 0.00 0.00 03:10:52 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:30 lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 03:20:30 ens3 105.75 82.29 612.76 20.06 0.00 0.00 0.00 0.00 03:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 lo 1647.60 1647.60 1570.53 1570.53 0.00 0.00 0.00 0.00 03:30:01 ens3 94.71 67.55 447.75 17.27 0.00 0.00 0.00 0.00 03:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 523.59 523.59 498.70 498.70 0.00 0.00 0.00 0.00 Average: ens3 70.60 53.41 417.33 12.48 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-1418) 08/02/26 _x86_64_ (4 CPU) 02:54:07 LINUX RESTART (4 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:52 all 0.26 0.00 0.08 0.02 0.01 99.63 03:10:52 0 0.04 0.00 0.03 0.00 0.00 99.93 03:10:52 1 0.37 0.00 0.07 0.02 0.01 99.54 03:10:52 2 0.43 0.00 0.12 0.03 0.01 99.41 03:10:52 3 0.20 0.00 0.08 0.03 0.01 99.67 03:20:30 all 67.90 0.00 2.25 0.08 0.13 29.64 03:20:30 0 69.04 0.00 2.28 0.09 0.13 28.46 03:20:30 1 69.20 0.00 2.36 0.08 0.13 28.23 03:20:30 2 65.82 0.00 2.35 0.08 0.12 31.62 03:20:30 3 67.52 0.00 2.02 0.08 0.12 30.24 03:30:01 all 68.26 0.00 2.76 0.18 0.18 28.62 03:30:01 0 68.42 0.00 2.69 0.08 0.21 28.60 03:30:01 1 69.16 0.00 3.10 0.47 0.21 27.05 03:30:01 2 66.94 0.00 2.65 0.09 0.14 30.19 03:30:01 3 68.53 0.00 2.60 0.09 0.14 28.65 Average: all 43.52 0.00 1.63 0.09 0.10 54.66 Average: 0 43.85 0.00 1.59 0.06 0.11 54.39 Average: 1 44.28 0.00 1.77 0.18 0.11 53.66 Average: 2 42.47 0.00 1.64 0.06 0.09 55.74 Average: 3 43.47 0.00 1.51 0.07 0.09 54.87