---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6754 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 67G 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 729 9605 4 5654 14917 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:c5:be:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84734sec preferred_lft 84734sec inet6 fe80::f816:3eff:fec5:bedc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:94:2d:1b:91:b2 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-6754) 03/21/26 _x86_64_ (4 CPU) 23:05:24 LINUX RESTART (4 CPU) 23:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:02 32.12 0.59 28.51 3.02 19.94 4350.23 8231.95 23:30:02 40.26 0.05 23.57 16.64 1.75 5929.46 243334.06 Average: 36.19 0.32 26.04 9.82 10.85 5139.12 125675.35 23:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:02 9329056 13105972 2848992 17.40 158492 3707908 3044980 17.48 742552 5868448 10424 23:30:02 7575308 12764412 3184264 19.45 188476 5018012 3441924 19.76 1047156 7250952 26328 Average: 8452182 12935192 3016628 18.42 173484 4362960 3243452 18.62 894854 6559700 18376 23:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:02 lo 1301.55 1301.55 1240.83 1240.83 0.00 0.00 0.00 0.00 23:20:02 ens3 67.08 48.25 407.72 10.97 0.00 0.00 0.00 0.00 23:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:02 lo 892.36 892.36 849.51 849.51 0.00 0.00 0.00 0.00 23:30:02 ens3 40.59 33.30 228.98 8.73 0.00 0.00 0.00 0.00 23:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1097.14 1097.14 1045.35 1045.35 0.00 0.00 0.00 0.00 Average: ens3 53.85 40.78 318.43 9.85 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-6754) 03/21/26 _x86_64_ (4 CPU) 23:05:24 LINUX RESTART (4 CPU) 23:10:01 CPU %user %nice %system %iowait %steal %idle 23:20:02 all 64.94 0.00 2.55 0.15 0.10 32.25 23:20:02 0 63.99 0.00 2.29 0.09 0.10 33.53 23:20:02 1 67.37 0.00 2.92 0.10 0.10 29.50 23:20:02 2 63.77 0.00 2.70 0.16 0.10 33.28 23:20:02 3 64.62 0.00 2.32 0.26 0.10 32.70 23:30:02 all 58.01 0.00 2.27 0.15 0.09 39.48 23:30:02 0 57.24 0.00 2.37 0.16 0.10 40.13 23:30:02 1 55.05 0.00 2.30 0.23 0.09 42.32 23:30:02 2 59.43 0.00 2.41 0.16 0.09 37.91 23:30:02 3 60.30 0.00 2.01 0.05 0.10 37.54 Average: all 61.47 0.00 2.41 0.15 0.10 35.86 Average: 0 60.61 0.00 2.33 0.13 0.10 36.83 Average: 1 61.22 0.00 2.61 0.17 0.10 35.90 Average: 2 61.60 0.00 2.55 0.16 0.10 35.59 Average: 3 62.46 0.00 2.17 0.16 0.10 35.12