---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488572 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 658 10413 4 4917 14988 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:0e:40:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84575sec preferred_lft 84575sec inet6 fe80::f816:3eff:fe0e:4052/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:0f:54:01:6d:ec 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-488572) 03/16/26 _x86_64_ (4 CPU) 09:10:29 LINUX RESTART (4 CPU) 09:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 12.82 0.85 10.86 1.12 29.40 2612.70 789.18 09:40:00 27.82 0.40 23.46 3.96 13.60 3235.49 1672.87 Average: 20.42 0.62 17.25 2.56 21.39 2928.40 1237.13 09:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 8987964 13255244 2697740 16.48 165912 4154140 3134204 17.99 829468 6088992 380160 09:40:00 10737092 15413500 537036 3.28 173760 4532680 1032300 5.93 980424 4143308 12 Average: 9862528 14334372 1617388 9.88 169836 4343410 2083252 11.96 904946 5116150 190086 09:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 109.66 109.66 103.11 103.11 0.00 0.00 0.00 0.00 09:30:01 ens3 100.55 69.07 379.06 19.34 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 1476.30 1476.30 1396.25 1396.25 0.00 0.00 0.00 0.00 09:40:00 ens3 98.97 89.20 137.61 199.46 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 802.43 802.43 758.62 758.62 0.00 0.00 0.00 0.00 Average: ens3 99.75 79.27 256.66 110.64 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-488572) 03/16/26 _x86_64_ (4 CPU) 09:10:29 LINUX RESTART (4 CPU) 09:20:18 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 71.37 0.00 2.31 0.04 0.11 26.17 09:30:01 0 72.29 0.00 2.07 0.05 0.11 25.48 09:30:01 1 71.28 0.00 2.50 0.03 0.11 26.09 09:30:01 2 69.72 0.00 2.17 0.06 0.11 27.94 09:30:01 3 72.18 0.00 2.51 0.02 0.11 25.18 09:40:00 all 33.85 0.00 1.67 0.08 0.07 64.34 09:40:00 0 33.63 0.00 1.84 0.09 0.07 64.37 09:40:00 1 35.26 0.00 1.34 0.14 0.07 63.19 09:40:00 2 34.18 0.00 1.72 0.03 0.07 64.01 09:40:00 3 32.35 0.00 1.77 0.04 0.06 65.78 Average: all 52.34 0.00 1.98 0.06 0.09 45.53 Average: 0 52.68 0.00 1.95 0.07 0.09 45.21 Average: 1 53.03 0.00 1.91 0.08 0.09 44.89 Average: 2 51.70 0.00 1.94 0.05 0.09 46.23 Average: 3 51.98 0.00 2.13 0.03 0.09 45.77