---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64887 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 13G 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 629 8787 4 6573 15017 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:5c:de:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83691sec preferred_lft 83691sec inet6 fe80::f816:3eff:fe5c:de04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:a3:d7:4a:62:87 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-64887) 03/31/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:18 33.10 2.92 27.20 2.99 158.78 4017.66 15255.36 19:30:19 31.78 0.01 28.64 3.13 0.17 2476.12 28864.30 19:40:15 17.51 0.32 15.21 1.97 12.27 8837.20 56410.76 Average: 27.52 1.09 23.72 2.70 57.62 5094.52 33366.60 19:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:18 9917812 13409396 2549616 15.57 139544 3476488 2924820 16.79 682900 5396980 27164 19:30:19 8614292 12743520 3211600 19.62 162192 4048532 3218020 18.47 822740 6512104 228100 19:40:15 9039760 15409844 537904 3.29 184944 6195372 1100336 6.32 1644812 5177864 69084 Average: 9190621 13854253 2099707 12.82 162227 4573464 2414392 13.86 1050151 5695649 108116 19:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:18 lo 1545.34 1545.34 1467.41 1467.41 0.00 0.00 0.00 0.00 19:20:18 ens3 126.89 98.24 926.68 21.23 0.00 0.00 0.00 0.00 19:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:19 lo 1399.45 1399.45 1333.52 1333.52 0.00 0.00 0.00 0.00 19:30:19 ens3 46.23 35.53 46.23 11.74 0.00 0.00 0.00 0.00 19:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:15 lo 2593.55 2593.55 9478.52 9478.52 0.00 0.00 0.00 0.00 19:40:15 ens3 39.17 33.89 161.91 18.28 0.00 0.00 0.00 0.00 19:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1842.61 1842.61 4066.10 4066.10 0.00 0.00 0.00 0.00 Average: ens3 71.09 56.12 381.14 17.10 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-64887) 03/31/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:09 CPU %user %nice %system %iowait %steal %idle 19:20:18 all 66.53 0.00 2.61 0.12 0.10 30.63 19:20:18 0 66.26 0.00 2.53 0.15 0.10 30.96 19:20:18 1 67.91 0.00 2.95 0.06 0.10 28.98 19:20:18 2 66.94 0.00 2.72 0.13 0.10 30.12 19:20:18 3 65.02 0.00 2.26 0.14 0.10 32.48 19:30:19 all 65.62 0.00 2.45 0.10 0.13 31.70 19:30:19 0 65.71 0.00 2.39 0.08 0.13 31.70 19:30:19 1 64.61 0.00 2.43 0.09 0.13 32.74 19:30:19 2 67.77 0.00 2.57 0.14 0.12 29.41 19:30:19 3 64.41 0.00 2.41 0.10 0.13 32.96 19:40:15 all 40.15 0.00 1.52 0.24 0.11 57.99 19:40:15 0 41.11 0.00 1.58 0.13 0.08 57.09 19:40:15 1 35.35 0.00 1.28 0.41 0.14 62.81 19:40:15 2 45.70 0.00 1.63 0.32 0.11 52.24 19:40:15 3 38.42 0.00 1.60 0.09 0.09 59.80 Average: all 57.52 0.00 2.20 0.15 0.11 40.02 Average: 0 57.78 0.00 2.17 0.12 0.10 39.83 Average: 1 56.05 0.00 2.23 0.19 0.12 41.42 Average: 2 60.21 0.00 2.31 0.19 0.11 37.18 Average: 3 56.03 0.00 2.09 0.11 0.11 41.66