---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16149 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 758 5227 4 2253 7183 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:08:15:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81311sec preferred_lft 81311sec inet6 fe80::f816:3eff:fe08:154f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16149) 05/18/26 _x86_64_ (2 CPU) 01:57:48 LINUX RESTART (2 CPU) 02:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:24 1.29 0.02 1.26 0.01 1.21 15.69 0.70 02:20:24 15.52 13.55 1.90 0.07 151.19 43.91 7.47 02:30:08 1.42 0.00 1.39 0.03 0.00 16.87 1.26 02:40:18 1.75 0.25 1.50 0.01 30.47 72.51 0.13 02:50:24 1.32 0.00 1.31 0.00 1.04 16.04 0.05 03:00:08 15.85 1.33 1.57 12.95 97.80 99.47 111992.04 03:10:24 20.56 1.68 16.75 2.14 129.24 2994.76 556.63 03:20:08 1.36 0.00 1.36 0.01 0.00 22.02 0.08 Average: 7.40 2.11 3.43 1.87 51.53 419.46 13709.42 02:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:24 6273452 7524628 295704 3.64 30636 1426152 534228 5.82 457176 1187384 76 02:20:24 6200052 7508376 302900 3.72 34820 1470780 534300 5.82 457960 1235588 188 02:30:08 6212692 7521556 289776 3.56 35004 1471104 534360 5.82 458012 1236108 164 02:40:18 6162624 7498168 312704 3.85 35352 1497084 729256 7.94 472548 1253672 156 02:50:24 6176432 7512820 298096 3.67 35536 1497732 534512 5.82 467504 1254192 124 03:00:08 6020376 7429852 377192 4.64 42032 1561072 624748 6.80 573052 1311332 14516 03:10:24 5196636 7377208 385220 4.74 89056 2247084 643256 7.01 603008 2011352 184 03:20:08 5178800 7361352 401072 4.93 89136 2248988 651916 7.10 602932 2013332 280 Average: 5927633 7466745 332833 4.09 48946 1677500 598322 6.52 511524 1437870 1961 02:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:24 ens3 0.87 0.06 0.08 0.01 0.00 0.00 0.00 0.00 02:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:24 ens3 0.39 0.06 0.05 0.02 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.30 0.05 0.23 0.02 0.00 0.00 0.00 0.00 02:40:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:18 ens3 0.81 0.26 4.15 0.05 0.00 0.00 0.00 0.00 02:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:24 ens3 0.27 0.07 0.07 0.03 0.00 0.00 0.00 0.00 03:00:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 21.11 10.25 52.10 4.66 0.00 0.00 0.00 0.00 03:10:24 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:10:24 ens3 49.97 34.26 258.25 7.08 0.00 0.00 0.00 0.00 03:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:08 ens3 13.64 12.26 110.11 1.10 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.97 7.19 53.43 1.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16149) 05/18/26 _x86_64_ (2 CPU) 01:57:48 LINUX RESTART (2 CPU) 02:00:07 CPU %user %nice %system %iowait %steal %idle 02:10:24 all 0.26 0.00 0.08 0.01 0.02 99.63 02:10:24 0 0.46 0.00 0.06 0.00 0.02 99.45 02:10:24 1 0.05 0.00 0.10 0.01 0.02 99.81 02:20:24 all 0.26 0.17 0.14 0.14 0.02 99.27 02:20:24 0 0.33 0.01 0.08 0.01 0.02 99.55 02:20:24 1 0.18 0.34 0.20 0.26 0.02 98.99 02:30:08 all 0.28 0.00 0.16 0.02 0.02 99.52 02:30:08 0 0.14 0.00 0.17 0.03 0.02 99.64 02:30:08 1 0.42 0.00 0.15 0.01 0.02 99.41 02:40:18 all 0.38 0.00 0.10 0.02 0.02 99.48 02:40:18 0 0.30 0.00 0.08 0.03 0.02 99.57 02:40:18 1 0.46 0.00 0.11 0.01 0.02 99.40 02:50:24 all 0.26 0.00 0.07 0.01 0.02 99.64 02:50:24 0 0.43 0.00 0.05 0.01 0.01 99.48 02:50:24 1 0.09 0.00 0.09 0.01 0.02 99.79 03:00:08 all 1.02 0.00 0.32 0.06 0.02 98.58 03:00:08 0 1.17 0.00 0.22 0.02 0.02 98.57 03:00:08 1 0.88 0.00 0.41 0.09 0.02 98.60 03:10:24 all 10.49 0.00 1.55 0.46 0.05 87.44 03:10:24 0 8.54 0.00 1.48 0.60 0.06 89.31 03:10:24 1 12.44 0.00 1.62 0.33 0.05 85.56 03:20:08 all 0.94 0.00 0.22 0.01 0.04 98.79 03:20:08 0 1.04 0.00 0.23 0.01 0.04 98.68 03:20:08 1 0.83 0.00 0.21 0.01 0.04 98.91 Average: all 1.76 0.02 0.33 0.09 0.03 97.76 Average: 0 1.57 0.00 0.30 0.09 0.03 98.01 Average: 1 1.95 0.04 0.36 0.09 0.03 97.52