---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3576 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: 5599.86 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 68G 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 674 10469 4 4846 14972 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:19:72:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84637sec preferred_lft 84637sec inet6 fe80::f816:3eff:fe19:7281/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:e2:44:5d:67:f7 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-3576) 04/16/26 _x86_64_ (4 CPU) 08:28:43 LINUX RESTART (4 CPU) 08:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:02 17.79 3.17 13.76 0.86 381.96 4071.27 1611.36 08:50:01 40.56 0.78 22.97 16.80 28.06 3213.47 243415.01 Average: 29.39 1.95 18.46 8.99 201.61 3634.11 124840.12 08:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:02 10905452 14183808 1776528 10.85 128828 3285140 2084172 11.96 599144 4485484 23956 08:50:01 9196336 13338216 2614340 15.97 166320 4034348 2808272 16.12 828052 5899416 15132 Average: 10050894 13761012 2195434 13.41 147574 3659744 2446222 14.04 713598 5192450 19544 08:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:02 lo 0.95 0.95 0.10 0.10 0.00 0.00 0.00 0.00 08:40:02 ens3 98.46 79.06 814.38 17.66 0.00 0.00 0.00 0.00 08:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 1323.47 1323.47 1261.12 1261.12 0.00 0.00 0.00 0.00 08:50:01 ens3 83.51 60.57 326.52 18.20 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 674.93 674.93 642.74 642.74 0.00 0.00 0.00 0.00 Average: ens3 90.84 69.64 565.76 17.94 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-3576) 04/16/26 _x86_64_ (4 CPU) 08:28:43 LINUX RESTART (4 CPU) 08:30:25 CPU %user %nice %system %iowait %steal %idle 08:40:02 all 44.27 0.00 1.58 0.07 0.07 54.01 08:40:02 0 44.40 0.00 1.50 0.04 0.07 53.99 08:40:02 1 44.05 0.00 1.66 0.10 0.07 54.12 08:40:02 2 44.25 0.00 1.56 0.11 0.08 53.99 08:40:02 3 44.36 0.00 1.60 0.04 0.07 53.92 08:50:01 all 69.23 0.00 2.71 0.06 0.09 27.90 08:50:01 0 69.34 0.00 2.69 0.08 0.10 27.79 08:50:01 1 67.68 0.00 2.55 0.03 0.09 29.65 08:50:01 2 69.57 0.00 2.76 0.05 0.09 27.53 08:50:01 3 70.34 0.00 2.84 0.10 0.09 26.64 Average: all 56.99 0.00 2.16 0.07 0.08 40.71 Average: 0 57.10 0.00 2.11 0.06 0.08 40.65 Average: 1 56.10 0.00 2.11 0.06 0.08 41.65 Average: 2 57.16 0.00 2.17 0.08 0.09 40.50 Average: 3 57.60 0.00 2.23 0.07 0.08 40.02