---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15570 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 668 10466 4 4854 14978 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:33:c8:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84166sec preferred_lft 84166sec inet6 fe80::f816:3eff:fe33:c899/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:5a:08:17:71:66 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-15570) 05/15/26 _x86_64_ (4 CPU) 15:15:02 LINUX RESTART (4 CPU) 15:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:00 38.32 4.38 33.07 0.86 467.03 4008.06 1821.96 15:40:03 10.84 0.44 9.30 1.10 16.14 2247.42 3664.48 15:50:03 28.99 0.75 24.03 4.21 25.87 3897.73 4553.40 Average: 26.00 1.85 22.09 2.06 168.87 3381.25 3349.91 15:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:00 11524824 14492776 1471404 8.99 114236 3022268 1931876 11.09 528452 3981356 32940 15:40:03 9989976 13619372 2338212 14.28 144284 3587552 2553480 14.66 694648 5274708 28148 15:50:03 10754460 15365888 584840 3.57 171436 4477596 1101356 6.32 956832 4165732 328 Average: 10756420 14492679 1464819 8.95 143319 3695805 1862237 10.69 726644 4473932 20472 15:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:00 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 15:30:00 ens3 104.66 79.02 995.29 14.70 0.00 0.00 0.00 0.00 15:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:03 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 15:40:03 ens3 62.36 49.47 98.26 16.64 0.00 0.00 0.00 0.00 15:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:03 lo 1680.52 1680.52 1593.77 1593.77 0.00 0.00 0.00 0.00 15:50:03 ens3 98.77 84.23 405.00 104.09 0.00 0.00 0.00 0.00 15:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 560.81 560.81 531.32 531.32 0.00 0.00 0.00 0.00 Average: ens3 88.52 70.86 497.91 45.15 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-15570) 05/15/26 _x86_64_ (4 CPU) 15:15:02 LINUX RESTART (4 CPU) 15:20:03 CPU %user %nice %system %iowait %steal %idle 15:30:00 all 15.24 0.00 0.82 0.25 0.04 83.64 15:30:00 0 18.33 0.00 0.77 0.14 0.05 80.70 15:30:00 1 13.48 0.00 0.74 0.35 0.04 85.39 15:30:00 2 14.02 0.00 0.95 0.45 0.04 84.54 15:30:00 3 15.13 0.00 0.84 0.07 0.04 83.92 15:40:03 all 72.89 0.00 2.28 0.02 0.13 24.67 15:40:03 0 73.35 0.00 2.47 0.03 0.14 24.02 15:40:03 1 72.26 0.00 2.10 0.02 0.13 25.49 15:40:03 2 71.18 0.00 2.10 0.02 0.13 26.57 15:40:03 3 74.79 0.00 2.46 0.01 0.13 22.60 15:50:03 all 49.90 0.00 2.27 0.06 0.09 47.67 15:50:03 0 45.75 0.00 2.11 0.04 0.09 52.01 15:50:03 1 48.00 0.00 2.49 0.07 0.09 49.34 15:50:03 2 56.07 0.00 2.38 0.03 0.10 41.42 15:50:03 3 49.80 0.00 2.12 0.10 0.10 47.89 Average: all 46.10 0.00 1.80 0.11 0.09 51.90 Average: 0 45.90 0.00 1.79 0.07 0.09 52.15 Average: 1 44.66 0.00 1.78 0.15 0.09 53.33 Average: 2 47.17 0.00 1.81 0.17 0.09 50.77 Average: 3 46.67 0.00 1.81 0.06 0.09 51.37