---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2415 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 671 10595 4 4722 14975 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:4c:96:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84958sec preferred_lft 84958sec inet6 fe80::f816:3eff:fe4c:96ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:bc:f6:6d:a6:fa 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-2415) 04/13/26 _x86_64_ (4 CPU) 02:06:30 LINUX RESTART (4 CPU) 02:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:01 11.01 0.49 9.35 1.17 18.05 2359.59 2687.57 02:30:02 30.09 0.78 24.63 4.68 28.54 3905.49 11211.97 Average: 20.55 0.63 16.99 2.93 23.30 3133.08 6952.71 02:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:01 10115508 13632792 2325108 14.20 146056 3472108 2891964 16.60 636684 5218224 26324 02:30:02 10852972 15332760 618128 3.78 175304 4343008 1149052 6.60 905304 4139168 12436 Average: 10484240 14482776 1471618 8.99 160680 3907558 2020508 11.60 770994 4678696 19380 02:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:01 lo 1.44 1.44 0.15 0.15 0.00 0.00 0.00 0.00 02:20:01 ens3 66.80 51.18 99.94 17.73 0.00 0.00 0.00 0.00 02:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:02 lo 1678.00 1678.00 1589.05 1589.05 0.00 0.00 0.00 0.00 02:30:02 ens3 127.09 115.42 418.10 192.84 0.00 0.00 0.00 0.00 02:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 840.30 840.30 795.15 795.15 0.00 0.00 0.00 0.00 Average: ens3 96.97 83.32 259.13 105.35 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-2415) 04/13/26 _x86_64_ (4 CPU) 02:06:30 LINUX RESTART (4 CPU) 02:10:01 CPU %user %nice %system %iowait %steal %idle 02:20:01 all 72.46 0.00 2.21 0.05 0.11 25.17 02:20:01 0 73.46 0.00 2.29 0.06 0.11 24.08 02:20:01 1 70.94 0.00 2.05 0.02 0.10 26.89 02:20:01 2 71.90 0.00 2.13 0.05 0.10 25.81 02:20:01 3 73.54 0.00 2.38 0.08 0.11 23.89 02:30:02 all 51.24 0.00 2.31 0.07 0.09 46.29 02:30:02 0 49.84 0.00 2.29 0.10 0.09 47.68 02:30:02 1 48.47 0.00 2.44 0.04 0.09 48.97 02:30:02 2 54.53 0.00 2.53 0.05 0.09 42.81 02:30:02 3 52.11 0.00 2.00 0.11 0.09 45.69 Average: all 61.84 0.00 2.26 0.06 0.10 35.74 Average: 0 61.64 0.00 2.29 0.08 0.10 35.90 Average: 1 59.69 0.00 2.24 0.03 0.09 37.94 Average: 2 63.21 0.00 2.33 0.05 0.10 34.31 Average: 3 62.82 0.00 2.19 0.10 0.10 34.80