---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23 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: 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 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 679 10487 4 4822 14967 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:44:43:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84473sec preferred_lft 84473sec inet6 fe80::f816:3eff:fe44:437e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:7b:89:dc:ea:32 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-23) 07/28/26 _x86_64_ (4 CPU) 16:27:34 LINUX RESTART (4 CPU) 16:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:02 14.14 2.08 11.04 1.01 132.91 3004.30 2056.53 16:50:01 19.81 0.68 16.79 2.34 21.61 3212.21 8642.89 Average: 16.97 1.38 13.92 1.67 77.20 3108.37 5353.29 16:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:02 10516908 13915336 2043788 12.48 138512 3376052 2554680 14.66 574692 4885088 15372 16:50:01 8978704 13175116 2777064 16.96 164100 4084104 3024948 17.36 762628 6166640 93328 Average: 9747806 13545226 2410426 14.72 151306 3730078 2789814 16.01 668660 5525864 54350 16:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:02 lo 1.25 1.25 0.12 0.12 0.00 0.00 0.00 0.00 16:40:02 ens3 105.77 82.63 630.88 19.76 0.00 0.00 0.00 0.00 16:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 lo 1488.52 1488.52 1419.87 1419.87 0.00 0.00 0.00 0.00 16:50:01 ens3 58.58 45.92 321.95 12.76 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 745.70 745.70 710.77 710.77 0.00 0.00 0.00 0.00 Average: ens3 82.15 64.25 476.25 16.26 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-23) 07/28/26 _x86_64_ (4 CPU) 16:27:34 LINUX RESTART (4 CPU) 16:30:05 CPU %user %nice %system %iowait %steal %idle 16:40:02 all 64.96 0.00 2.10 0.06 0.12 32.76 16:40:02 0 63.49 0.00 1.94 0.06 0.12 34.38 16:40:02 1 66.48 0.00 2.37 0.08 0.12 30.96 16:40:02 2 64.73 0.00 2.22 0.04 0.12 32.88 16:40:02 3 65.16 0.00 1.85 0.04 0.12 32.83 16:50:01 all 49.18 0.00 2.23 12.13 0.11 36.35 16:50:01 0 49.11 0.00 2.18 11.31 0.11 37.29 16:50:01 1 50.20 0.00 2.39 19.64 0.11 27.67 16:50:01 2 49.45 0.00 2.08 6.52 0.11 41.84 16:50:01 3 47.98 0.00 2.26 11.04 0.11 38.60 Average: all 57.07 0.00 2.16 6.09 0.12 34.56 Average: 0 56.30 0.00 2.06 5.69 0.12 35.84 Average: 1 58.34 0.00 2.38 9.86 0.12 29.31 Average: 2 57.09 0.00 2.15 3.28 0.11 37.36 Average: 3 56.57 0.00 2.06 5.54 0.12 35.72