---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6108 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 663 10046 4 5278 14983 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:f0:b5:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84352sec preferred_lft 84352sec inet6 fe80::f816:3eff:fef0:b5b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:95:0d:74:53:4b 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-6108) 03/19/26 _x86_64_ (4 CPU) 18:23:26 LINUX RESTART (4 CPU) 18:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:01 49.92 0.08 41.79 8.05 3.28 1918.77 158369.78 18:50:08 24.50 0.16 20.70 3.64 4.82 1849.83 31247.11 Average: 37.05 0.12 31.11 5.82 4.06 1883.87 94005.45 18:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:01 9751608 13080816 2879068 17.58 154588 3306600 3083092 17.70 674200 5573540 232 18:50:08 9256116 12994716 2961696 18.09 172160 3668612 3241996 18.61 798556 5914336 21152 Average: 9503862 13037766 2920382 17.84 163374 3487606 3162544 18.15 736378 5743938 10692 18:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:01 lo 28.96 28.96 6.87 6.87 0.00 0.00 0.00 0.00 18:40:01 ens3 17.09 14.30 15.86 4.98 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:08 lo 1446.35 1446.35 1355.22 1355.22 0.00 0.00 0.00 0.00 18:50:08 ens3 44.29 32.46 272.99 8.01 0.00 0.00 0.00 0.00 18:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 746.61 746.61 689.56 689.56 0.00 0.00 0.00 0.00 Average: ens3 30.86 23.49 146.05 6.51 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-6108) 03/19/26 _x86_64_ (4 CPU) 18:23:26 LINUX RESTART (4 CPU) 18:30:08 CPU %user %nice %system %iowait %steal %idle 18:40:01 all 30.95 0.00 1.14 0.26 0.10 67.56 18:40:01 0 30.36 0.00 1.17 0.63 0.09 67.74 18:40:01 1 30.36 0.00 1.35 0.15 0.10 68.04 18:40:01 2 32.05 0.00 0.97 0.11 0.10 66.78 18:40:01 3 31.04 0.00 1.05 0.14 0.09 67.68 18:50:08 all 32.02 0.00 1.63 0.21 0.09 66.05 18:50:08 0 31.95 0.00 1.54 0.35 0.10 66.05 18:50:08 1 31.86 0.00 1.84 0.41 0.10 65.79 18:50:08 2 32.25 0.00 1.37 0.04 0.09 66.25 18:50:08 3 32.02 0.00 1.76 0.03 0.09 66.10 Average: all 31.49 0.00 1.38 0.23 0.09 66.80 Average: 0 31.16 0.00 1.36 0.49 0.10 66.89 Average: 1 31.12 0.00 1.60 0.28 0.10 66.90 Average: 2 32.15 0.00 1.17 0.07 0.09 66.52 Average: 3 31.54 0.00 1.41 0.08 0.09 66.88