---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-467903 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: 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 12G 66G 15% / 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 661 9228 4 6098 14984 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:5e:49:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84607sec preferred_lft 84607sec inet6 fe80::f816:3eff:fe5e:49fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:d7:1d:8e:1b:3a 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-467903) 03/14/26 _x86_64_ (4 CPU) 02:24:28 LINUX RESTART (4 CPU) 02:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:09 23.70 0.06 21.12 2.52 6.23 2254.81 6776.15 02:50:03 25.57 0.03 23.06 2.48 0.36 4337.77 10989.92 Average: 24.63 0.04 22.08 2.50 3.33 3284.41 8859.01 02:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:09 9069552 12673588 3284224 20.06 137964 3585764 3319368 19.05 704344 6190304 12072 02:50:03 5428404 10100528 5853128 35.75 158700 4587884 5712896 32.79 1014068 9464008 184 Average: 7248978 11387058 4568676 27.90 148332 4086824 4516132 25.92 859206 7827156 6128 02:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:09 lo 1329.98 1329.98 1261.37 1261.37 0.00 0.00 0.00 0.00 02:40:09 ens3 46.27 36.92 28.71 12.95 0.00 0.00 0.00 0.00 02:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:03 lo 1097.84 1097.84 3136.63 3136.63 0.00 0.00 0.00 0.00 02:50:03 ens3 49.99 36.27 52.68 13.71 0.00 0.00 0.00 0.00 02:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1215.23 1215.23 2188.31 2188.31 0.00 0.00 0.00 0.00 Average: ens3 48.11 36.60 40.55 13.33 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-467903) 03/14/26 _x86_64_ (4 CPU) 02:24:28 LINUX RESTART (4 CPU) 02:30:02 CPU %user %nice %system %iowait %steal %idle 02:40:09 all 66.46 0.00 2.24 0.05 0.10 31.16 02:40:09 0 65.36 0.00 2.33 0.04 0.09 32.17 02:40:09 1 68.49 0.00 2.15 0.06 0.10 29.21 02:40:09 2 65.37 0.00 2.20 0.05 0.10 32.28 02:40:09 3 66.60 0.00 2.28 0.03 0.10 30.99 02:50:03 all 54.73 0.00 2.12 0.09 0.09 42.97 02:50:03 0 53.01 0.00 2.19 0.08 0.09 44.63 02:50:03 1 53.00 0.00 2.05 0.09 0.08 44.78 02:50:03 2 54.74 0.00 1.95 0.09 0.08 43.14 02:50:03 3 58.17 0.00 2.32 0.08 0.09 39.35 Average: all 60.66 0.00 2.18 0.07 0.09 37.00 Average: 0 59.25 0.00 2.26 0.06 0.09 38.33 Average: 1 60.84 0.00 2.10 0.07 0.09 36.90 Average: 2 60.12 0.00 2.08 0.07 0.09 37.65 Average: 3 62.43 0.00 2.30 0.06 0.09 35.12