---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-483066 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 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 665 9992 4 5331 14981 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:b5:2d:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84413sec preferred_lft 84413sec inet6 fe80::f816:3eff:feb5:2d38/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:5e:2d:9f:11:47 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-483066) 03/15/26 _x86_64_ (4 CPU) 18:21:31 LINUX RESTART (4 CPU) 18:30:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:21 43.40 0.03 36.67 6.70 0.63 1584.36 129368.57 18:50:01 32.42 0.19 27.71 4.53 5.95 5503.98 39245.43 Average: 38.00 0.10 32.27 5.63 3.24 3511.12 85067.08 18:30:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:21 9694468 13083920 2875116 17.56 156416 3363356 3146788 18.06 682076 5606576 44 18:50:01 7602660 12684548 3265300 19.94 185044 4940568 3484656 20.00 1243664 7038480 277200 Average: 8648564 12884234 3070208 18.75 170730 4151962 3315722 19.03 962870 6322528 138622 18:30:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:21 lo 45.16 45.16 10.80 10.80 0.00 0.00 0.00 0.00 18:40:21 ens3 12.52 9.85 10.24 3.31 0.00 0.00 0.00 0.00 18:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1868.96 1868.96 1768.59 1768.59 0.00 0.00 0.00 0.00 18:50:01 ens3 81.80 61.81 494.76 15.03 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 941.68 941.68 874.87 874.87 0.00 0.00 0.00 0.00 Average: ens3 46.57 35.39 248.41 9.07 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-483066) 03/15/26 _x86_64_ (4 CPU) 18:21:31 LINUX RESTART (4 CPU) 18:30:22 CPU %user %nice %system %iowait %steal %idle 18:40:21 all 22.47 0.00 0.96 0.26 0.08 76.24 18:40:21 0 21.02 0.00 0.91 0.20 0.07 77.80 18:40:21 1 23.42 0.00 0.93 0.09 0.08 75.47 18:40:21 2 23.94 0.00 1.09 0.55 0.08 74.34 18:40:21 3 21.51 0.00 0.90 0.18 0.08 77.33 18:50:01 all 46.22 0.00 2.32 0.09 0.09 51.28 18:50:01 0 48.67 0.00 2.30 0.04 0.09 48.91 18:50:01 1 44.74 0.00 1.91 0.09 0.09 53.18 18:50:01 2 45.60 0.00 2.72 0.07 0.08 51.52 18:50:01 3 45.88 0.00 2.33 0.17 0.09 51.53 Average: all 34.15 0.00 1.63 0.18 0.08 63.96 Average: 0 34.61 0.00 1.59 0.12 0.08 63.60 Average: 1 33.91 0.00 1.41 0.09 0.08 64.51 Average: 2 34.59 0.00 1.89 0.32 0.08 63.12 Average: 3 33.50 0.00 1.61 0.17 0.08 64.64