---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22255 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 67G 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 676 10326 4 4986 14969 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:eb:21:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84852sec preferred_lft 84852sec inet6 fe80::f816:3eff:feeb:2155/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:c2:ee:d9:09:83 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-22255) 06/01/26 _x86_64_ (4 CPU) 14:38:56 LINUX RESTART (4 CPU) 14:40:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:00 24.98 3.36 20.04 1.58 395.43 5304.66 2783.59 15:00:01 26.13 0.79 22.10 3.23 23.77 3359.84 3785.99 Average: 25.57 2.04 21.10 2.42 205.13 4308.83 3296.86 14:40:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:00 10099952 13585992 2373568 14.50 132172 3473716 2652448 15.23 630732 5253572 48728 15:00:01 8765484 13167680 2783480 17.00 170952 4267860 2921404 16.77 876268 6241920 67168 Average: 9432718 13376836 2578524 15.75 151562 3870788 2786926 16.00 753500 5747746 57948 14:40:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:00 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 14:50:00 ens3 113.33 89.32 850.26 21.79 0.00 0.00 0.00 0.00 14:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1542.63 1542.63 1470.63 1470.63 0.00 0.00 0.00 0.00 15:00:01 ens3 83.53 58.24 355.32 15.92 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 790.58 790.58 753.09 753.09 0.00 0.00 0.00 0.00 Average: ens3 98.07 73.41 596.83 18.78 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-22255) 06/01/26 _x86_64_ (4 CPU) 14:38:56 LINUX RESTART (4 CPU) 14:40:27 CPU %user %nice %system %iowait %steal %idle 14:50:00 all 65.49 0.00 2.26 0.53 0.14 31.57 14:50:00 0 62.59 0.00 2.33 0.41 0.14 34.54 14:50:00 1 66.79 0.00 2.41 0.36 0.14 30.29 14:50:00 2 65.97 0.00 2.06 0.36 0.14 31.47 14:50:00 3 66.61 0.00 2.25 1.01 0.13 30.00 15:00:01 all 69.56 0.00 2.74 0.95 0.15 26.60 15:00:01 0 72.73 0.00 3.18 0.86 0.16 23.07 15:00:01 1 68.89 0.00 2.44 1.41 0.14 27.12 15:00:01 2 68.46 0.00 2.66 0.56 0.15 28.17 15:00:01 3 68.15 0.00 2.69 0.96 0.15 28.05 Average: all 67.57 0.00 2.51 0.75 0.14 29.03 Average: 0 67.78 0.00 2.77 0.64 0.15 28.67 Average: 1 67.86 0.00 2.43 0.90 0.14 28.67 Average: 2 67.25 0.00 2.37 0.47 0.14 29.78 Average: 3 67.40 0.00 2.48 0.98 0.14 29.00