---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52153 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: 5599.94 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 66G 16% / 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 659 8778 4 6551 14987 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:09:8f:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83718sec preferred_lft 83718sec inet6 fe80::f816:3eff:fe09:8fab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:95:a5:3f:fc:f4 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-52153) 03/25/26 _x86_64_ (4 CPU) 11:54:19 LINUX RESTART (4 CPU) 12:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:09 20.42 2.94 15.83 1.65 160.66 3250.87 5509.27 12:20:09 40.44 0.02 23.70 16.71 0.47 2144.28 253139.02 12:30:10 21.98 0.02 19.86 2.09 0.36 3975.38 22727.90 Average: 27.61 1.00 19.80 6.81 53.84 3123.79 93749.01 12:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:09 10055532 13369912 2590800 15.82 132904 3320224 2780444 15.96 615040 5336180 17296 12:20:09 9308496 13102312 2853676 17.43 153056 3743664 2953432 16.95 745692 5914608 107692 12:30:10 5914172 10565624 5387244 32.90 165096 4551828 5158268 29.61 1011140 8962464 288 Average: 8426067 12345949 3610573 22.05 150352 3871905 3630715 20.84 790624 6737751 41759 12:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:09 lo 770.27 770.27 732.70 732.70 0.00 0.00 0.00 0.00 12:10:09 ens3 122.68 94.78 961.07 18.31 0.00 0.00 0.00 0.00 12:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:09 lo 1566.74 1566.74 1487.67 1487.67 0.00 0.00 0.00 0.00 12:20:09 ens3 36.68 29.02 14.68 9.91 0.00 0.00 0.00 0.00 12:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:10 lo 778.68 778.68 2991.00 2991.00 0.00 0.00 0.00 0.00 12:30:10 ens3 37.08 29.67 47.09 9.99 0.00 0.00 0.00 0.00 12:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1038.42 1038.42 1737.23 1737.23 0.00 0.00 0.00 0.00 Average: ens3 65.48 51.16 341.02 12.74 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-52153) 03/25/26 _x86_64_ (4 CPU) 11:54:19 LINUX RESTART (4 CPU) 12:00:08 CPU %user %nice %system %iowait %steal %idle 12:10:09 all 38.93 0.00 1.62 0.10 0.10 59.25 12:10:09 0 38.46 0.00 1.81 0.03 0.10 59.61 12:10:09 1 39.33 0.00 1.47 0.10 0.12 58.98 12:10:09 2 38.05 0.00 1.47 0.06 0.11 60.30 12:10:09 3 39.87 0.00 1.72 0.23 0.09 58.10 12:20:09 all 67.24 0.00 2.44 0.06 0.14 30.12 12:20:09 0 66.54 0.00 2.20 0.08 0.13 31.04 12:20:09 1 66.20 0.00 2.21 0.04 0.14 31.42 12:20:09 2 67.50 0.00 2.62 0.05 0.13 29.70 12:20:09 3 68.73 0.00 2.75 0.07 0.14 28.32 12:30:10 all 54.88 0.00 1.97 0.34 0.12 42.68 12:30:10 0 53.03 0.00 1.73 0.70 0.12 44.42 12:30:10 1 57.43 0.00 1.99 0.03 0.12 40.44 12:30:10 2 58.08 0.00 1.83 0.16 0.13 39.80 12:30:10 3 50.99 0.00 2.33 0.49 0.12 46.06 Average: all 53.68 0.00 2.01 0.17 0.12 44.02 Average: 0 52.68 0.00 1.91 0.27 0.12 45.02 Average: 1 54.31 0.00 1.89 0.06 0.13 43.62 Average: 2 54.53 0.00 1.97 0.09 0.12 43.28 Average: 3 53.19 0.00 2.27 0.26 0.11 44.17