---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1014 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 8.0G 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 774 5180 4 2275 7167 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:9f:d3:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80866sec preferred_lft 80866sec inet6 fe80::f816:3eff:fe9f:d324/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1014) 04/07/26 _x86_64_ (2 CPU) 15:56:36 LINUX RESTART (2 CPU) 16:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 2.12 0.35 1.74 0.03 42.46 76.18 0.97 16:20:17 1.41 0.01 1.38 0.02 0.06 16.38 1.17 16:30:17 14.26 0.00 1.68 12.58 0.15 20.39 110000.15 16:40:01 1.29 0.00 1.27 0.02 0.00 15.22 1.12 16:50:08 1.34 0.00 1.33 0.02 0.00 16.06 1.08 17:00:07 1.93 0.40 1.50 0.03 15.81 50.37 655.25 17:10:01 22.61 2.65 17.72 2.24 214.69 3111.56 623.32 17:20:17 1.37 0.00 1.37 0.00 0.34 69.22 0.16 Average: 5.76 0.42 3.48 1.86 33.76 417.87 13909.72 16:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 6255440 7531056 288736 3.55 30784 1450108 528672 5.76 457492 1199956 276 16:20:17 6254768 7530944 288820 3.55 31004 1450440 528736 5.76 457788 1200508 148 16:30:17 6264908 7541728 277956 3.42 31244 1450812 528936 5.76 457952 1201092 120 16:40:01 6279588 7556940 262752 3.23 31452 1451136 528940 5.76 458088 1201624 272 16:50:08 6280104 7558016 261664 3.22 31680 1451468 528940 5.76 458180 1202176 196 17:00:07 6238064 7531220 288084 3.54 32036 1466272 544104 5.93 483612 1215692 464 17:10:01 5301572 7417404 354160 4.35 85156 2194944 648052 7.06 596664 1953396 2400 17:20:17 5283996 7415056 356600 4.38 85248 2210036 650616 7.09 598796 1968524 1292 Average: 6019805 7510296 297346 3.66 44826 1640652 560874 6.11 496072 1392871 646 16:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 16:10:01 ens3 1.29 0.20 3.19 0.03 0.00 0.00 0.00 0.00 16:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:20:17 ens3 0.57 0.07 1.85 0.03 0.00 0.00 0.00 0.00 16:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:30:17 ens3 0.32 0.03 0.05 0.01 0.00 0.00 0.00 0.00 16:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:40:01 ens3 0.39 0.05 0.23 0.03 0.00 0.00 0.00 0.00 16:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:50:08 ens3 0.20 0.03 0.04 0.01 0.00 0.00 0.00 0.00 17:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:00:07 ens3 9.47 5.04 20.00 3.02 0.00 0.00 0.00 0.00 17:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 17:10:01 ens3 65.36 47.82 283.78 9.27 0.00 0.00 0.00 0.00 17:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:20:17 ens3 45.76 41.83 10.16 5.63 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 15.49 11.97 39.57 2.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1014) 04/07/26 _x86_64_ (2 CPU) 15:56:36 LINUX RESTART (2 CPU) 16:00:17 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 0.40 0.00 0.13 0.03 0.04 99.41 16:10:01 0 0.47 0.00 0.14 0.01 0.04 99.35 16:10:01 1 0.33 0.00 0.13 0.04 0.04 99.47 16:20:17 all 0.27 0.00 0.08 0.02 0.02 99.62 16:20:17 0 0.14 0.00 0.08 0.03 0.03 99.72 16:20:17 1 0.39 0.00 0.07 0.00 0.02 99.51 16:30:17 all 0.27 0.00 0.18 0.03 0.02 99.49 16:30:17 0 0.09 0.00 0.21 0.05 0.03 99.62 16:30:17 1 0.46 0.00 0.15 0.01 0.02 99.37 16:40:01 all 0.25 0.00 0.08 0.01 0.03 99.64 16:40:01 0 0.06 0.00 0.09 0.00 0.03 99.81 16:40:01 1 0.44 0.00 0.06 0.02 0.02 99.47 16:50:08 all 0.26 0.00 0.07 0.01 0.03 99.63 16:50:08 0 0.36 0.00 0.08 0.01 0.03 99.52 16:50:08 1 0.15 0.00 0.07 0.01 0.03 99.74 17:00:07 all 0.56 0.00 0.19 0.01 0.03 99.21 17:00:07 0 0.46 0.00 0.20 0.02 0.03 99.30 17:00:07 1 0.67 0.00 0.18 0.01 0.02 99.12 17:10:01 all 13.84 0.00 1.83 0.62 0.06 83.64 17:10:01 0 19.55 0.00 2.22 0.94 0.07 77.22 17:10:01 1 8.12 0.00 1.45 0.30 0.06 90.08 17:20:17 all 6.19 0.00 0.54 0.04 0.06 93.17 17:20:17 0 6.84 0.00 0.58 0.05 0.06 92.47 17:20:17 1 5.53 0.00 0.50 0.02 0.06 93.88 Average: all 2.75 0.00 0.39 0.09 0.04 96.73 Average: 0 3.49 0.00 0.45 0.14 0.04 95.89 Average: 1 2.01 0.00 0.32 0.05 0.03 97.58