---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10351 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 685 10573 4 4729 14960 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:13:eb:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84192sec preferred_lft 84192sec inet6 fe80::f816:3eff:fe13:ebc8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:c7:c4:8c:4f:7e 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-10351) 05/02/26 _x86_64_ (4 CPU) 09:10:28 LINUX RESTART (4 CPU) 09:20:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 12.02 1.97 9.46 0.59 127.40 2530.43 2467.24 09:40:17 25.00 0.77 20.95 3.27 27.43 3186.00 11875.75 Average: 18.69 1.36 15.36 1.97 76.07 2867.05 7298.19 09:20:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10280588 13444792 2516372 15.37 126632 3175416 2881140 16.54 535128 5189924 28568 09:40:17 9247976 13271500 2681476 16.38 163972 3921284 2763780 15.86 759716 5893916 15068 Average: 9764282 13358146 2598924 15.87 145302 3548350 2822460 16.20 647422 5541920 21818 09:20:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 09:30:01 ens3 82.83 64.96 626.50 14.51 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:17 lo 1447.22 1447.22 1379.71 1379.71 0.00 0.00 0.00 0.00 09:40:17 ens3 90.39 67.20 322.12 24.48 0.00 0.00 0.00 0.00 09:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 743.49 743.49 708.47 708.47 0.00 0.00 0.00 0.00 Average: ens3 86.71 66.11 470.21 19.63 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-10351) 05/02/26 _x86_64_ (4 CPU) 09:10:28 LINUX RESTART (4 CPU) 09:20:17 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 42.73 0.00 1.40 0.04 0.07 55.75 09:30:01 0 43.84 0.00 1.47 0.06 0.07 54.55 09:30:01 1 41.87 0.00 1.58 0.01 0.08 56.46 09:30:01 2 42.19 0.00 1.34 0.05 0.07 56.35 09:30:01 3 43.04 0.00 1.22 0.02 0.07 55.65 09:40:17 all 68.98 0.00 2.71 0.05 0.10 28.17 09:40:17 0 68.48 0.00 2.92 0.04 0.10 28.46 09:40:17 1 68.26 0.00 2.66 0.07 0.10 28.91 09:40:17 2 68.60 0.00 2.46 0.03 0.10 28.82 09:40:17 3 70.58 0.00 2.78 0.05 0.10 26.50 Average: all 56.21 0.00 2.07 0.04 0.09 41.60 Average: 0 56.49 0.00 2.22 0.05 0.09 41.16 Average: 1 55.42 0.00 2.13 0.04 0.09 42.32 Average: 2 55.74 0.00 1.91 0.04 0.08 42.22 Average: 3 57.18 0.00 2.02 0.03 0.08 40.68