---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52707 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 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 8816 4 6512 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:d0:61:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84436sec preferred_lft 84436sec inet6 fe80::f816:3eff:fed0:61dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:a5:81:a3:b3:bb 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-52707) 03/25/26 _x86_64_ (4 CPU) 12:32:41 LINUX RESTART (4 CPU) 12:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:12 25.54 0.02 22.75 2.76 0.36 2063.38 7561.12 13:00:12 21.62 0.03 19.52 2.06 0.72 3900.16 9085.03 Average: 23.58 0.03 21.14 2.41 0.54 2980.72 8322.21 12:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:12 9428248 13151996 2805248 17.13 145560 3687696 3138432 18.01 717992 5832296 83020 13:00:12 6327184 10904248 5049320 30.84 159932 4489220 4972292 28.54 990548 8607480 48 Average: 7877716 12028122 3927284 23.99 152746 4088458 4055362 23.28 854270 7219888 41534 12:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:12 lo 1474.61 1474.61 1400.52 1400.52 0.00 0.00 0.00 0.00 12:50:12 ens3 24.91 20.48 10.49 6.20 0.00 0.00 0.00 0.00 12:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:12 lo 838.44 838.44 3002.12 3002.12 0.00 0.00 0.00 0.00 13:00:12 ens3 20.36 17.52 42.36 5.77 0.00 0.00 0.00 0.00 13:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1156.89 1156.89 2200.40 2200.40 0.00 0.00 0.00 0.00 Average: ens3 22.64 19.00 26.41 5.99 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-52707) 03/25/26 _x86_64_ (4 CPU) 12:32:41 LINUX RESTART (4 CPU) 12:40:11 CPU %user %nice %system %iowait %steal %idle 12:50:12 all 67.37 0.00 2.42 0.09 0.14 29.97 12:50:12 0 66.23 0.00 2.52 0.08 0.15 31.02 12:50:12 1 67.53 0.00 2.33 0.09 0.14 29.91 12:50:12 2 68.37 0.00 2.48 0.08 0.15 28.92 12:50:12 3 67.36 0.00 2.36 0.11 0.15 30.03 13:00:12 all 53.53 0.00 1.97 0.07 0.12 44.32 13:00:12 0 50.09 0.00 2.03 0.09 0.11 47.69 13:00:12 1 51.90 0.00 1.87 0.03 0.12 46.08 13:00:12 2 50.26 0.00 1.97 0.12 0.11 47.53 13:00:12 3 61.87 0.00 2.00 0.05 0.13 35.96 Average: all 60.45 0.00 2.19 0.08 0.13 37.14 Average: 0 58.17 0.00 2.28 0.08 0.13 39.34 Average: 1 59.72 0.00 2.10 0.06 0.13 37.99 Average: 2 59.31 0.00 2.23 0.10 0.13 38.23 Average: 3 64.61 0.00 2.18 0.08 0.14 32.99