---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20982 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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: 5600.00 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 652 10605 4 4731 14994 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:c0:51:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84743sec preferred_lft 84743sec inet6 fe80::f816:3eff:fec0:51a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:32:df:c4:99:30 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20982) 02/26/26 _x86_64_ (4 CPU) 11:14:06 LINUX RESTART (4 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:32 3.76 0.07 3.54 0.15 6.60 599.32 169.59 11:40:32 19.99 0.54 17.89 1.56 19.64 2505.85 15253.80 Average: 11.67 0.30 10.53 0.84 12.95 1528.33 7519.74 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:32 9781660 12739428 3224244 19.69 113564 3007680 3393720 19.48 499456 5758100 1164 11:40:32 9654716 13531300 2427460 14.83 134240 3863208 2525924 14.50 693480 5623092 471788 Average: 9718188 13135364 2825852 17.26 123902 3435444 2959822 16.99 596468 5690596 236476 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:32 lo 0.60 0.60 0.36 0.36 0.00 0.00 0.00 0.00 11:30:32 ens3 10.68 7.80 34.58 2.23 0.00 0.00 0.00 0.00 11:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:32 lo 478.34 478.34 455.22 455.22 0.00 0.00 0.00 0.00 11:40:32 ens3 45.86 35.09 482.15 5.49 0.00 0.00 0.00 0.00 11:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 233.39 233.39 222.00 222.00 0.00 0.00 0.00 0.00 Average: ens3 27.82 21.10 252.67 3.82 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20982) 02/26/26 _x86_64_ (4 CPU) 11:14:06 LINUX RESTART (4 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:32 all 52.47 0.00 0.67 0.07 0.07 46.71 11:30:32 0 48.49 0.00 0.65 0.02 0.07 50.77 11:30:32 1 60.84 0.00 0.71 0.03 0.08 38.35 11:30:32 2 46.63 0.00 0.69 0.01 0.07 52.60 11:30:32 3 53.95 0.00 0.65 0.20 0.07 45.12 11:40:32 all 57.59 0.00 1.33 0.07 0.08 40.94 11:40:32 0 65.72 0.00 1.35 0.04 0.09 32.81 11:40:32 1 64.14 0.00 1.32 0.08 0.09 34.38 11:40:32 2 48.79 0.00 1.37 0.04 0.08 49.71 11:40:32 3 51.67 0.00 1.27 0.10 0.08 46.87 Average: all 54.96 0.00 0.99 0.07 0.08 43.90 Average: 0 56.87 0.00 0.99 0.03 0.08 42.02 Average: 1 62.44 0.00 1.01 0.05 0.08 36.42 Average: 2 47.68 0.00 1.02 0.03 0.08 51.19 Average: 3 52.84 0.00 0.95 0.16 0.08 45.98