---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-460986 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 703 10364 4 4922 14943 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:01:63:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84039sec preferred_lft 84039sec inet6 fe80::f816:3eff:fe01:63e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:e1:f2:ea:c6:1e 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-460986) 03/13/26 _x86_64_ (4 CPU) 09:12:28 LINUX RESTART (4 CPU) 09:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:00 8.34 1.91 6.23 0.20 123.96 1482.16 10.24 09:40:00 11.86 0.45 10.42 1.00 16.11 2556.59 331.81 09:50:00 28.25 0.57 23.68 4.00 20.48 3720.31 6698.68 Average: 16.15 0.98 13.44 1.73 53.52 2586.36 2346.93 09:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:00 11301908 14308120 1654784 10.11 117376 3050680 2011144 11.54 540268 4180092 51588 09:40:00 9553488 13284296 2671856 16.32 151196 3670420 2911292 16.71 719468 5684468 20248 09:50:00 10711500 15391108 558404 3.41 179376 4530284 1115948 6.41 976284 4173880 4 Average: 10522299 14327841 1628348 9.95 149316 3750461 2012795 11.55 745340 4679480 23947 09:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:00 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 09:30:00 ens3 55.15 46.22 565.70 8.39 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 09:40:00 ens3 63.63 50.35 139.24 16.59 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 09:50:00 lo 1698.70 1698.70 1609.96 1609.96 0.00 0.00 0.00 0.00 09:50:00 ens3 102.27 89.99 406.53 158.57 0.00 0.00 0.00 0.00 09:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 566.82 566.82 536.72 536.72 0.00 0.00 0.00 0.00 Average: ens3 73.68 62.19 370.49 61.18 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-460986) 03/13/26 _x86_64_ (4 CPU) 09:12:28 LINUX RESTART (4 CPU) 09:20:00 CPU %user %nice %system %iowait %steal %idle 09:30:00 all 17.35 0.00 0.59 0.44 0.04 81.59 09:30:00 0 17.79 0.00 0.53 0.46 0.03 81.19 09:30:00 1 16.48 0.00 0.74 0.57 0.04 82.17 09:30:00 2 17.90 0.00 0.51 0.26 0.05 81.27 09:30:00 3 17.20 0.00 0.56 0.50 0.04 81.71 09:40:00 all 71.99 0.00 2.31 0.67 0.13 24.90 09:40:00 0 70.98 0.00 2.44 0.82 0.13 25.64 09:40:00 1 72.63 0.00 2.19 0.39 0.13 24.67 09:40:00 2 71.43 0.00 2.21 0.41 0.13 25.82 09:40:00 3 72.93 0.00 2.43 1.05 0.13 23.46 09:50:00 all 47.91 0.00 2.21 0.87 0.10 48.91 09:50:00 0 45.86 0.00 2.00 1.18 0.10 50.86 09:50:00 1 47.17 0.00 2.05 0.98 0.10 49.71 09:50:00 2 49.64 0.00 2.67 0.80 0.10 46.80 09:50:00 3 48.97 0.00 2.13 0.51 0.10 48.29 Average: all 45.68 0.00 1.70 0.66 0.09 51.87 Average: 0 44.82 0.00 1.65 0.82 0.09 52.62 Average: 1 45.36 0.00 1.66 0.64 0.09 52.25 Average: 2 46.24 0.00 1.79 0.49 0.09 51.39 Average: 3 46.28 0.00 1.70 0.69 0.09 51.24