---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34101 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 22% / 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 778 5163 4 2292 7163 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:b2:3c:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81682sec preferred_lft 81682sec inet6 fe80::f816:3eff:feb2:3c3b/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-34101) 07/09/26 _x86_64_ (2 CPU) 00:37:28 LINUX RESTART (2 CPU) 00:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:16 1.24 0.02 1.21 0.00 1.24 15.42 0.12 01:00:16 1.37 0.01 1.34 0.02 0.05 16.95 437.12 01:10:15 1.21 0.00 1.20 0.02 0.00 15.03 1.20 01:20:08 13.95 0.01 1.23 12.71 0.16 15.45 110590.94 01:30:16 2.04 0.27 1.73 0.04 32.66 77.91 216.45 01:40:17 1.89 0.52 1.34 0.02 21.86 95.07 1.23 01:50:17 25.12 2.49 20.32 2.31 207.96 3449.84 831.58 Average: 6.67 0.47 4.06 2.14 37.79 526.88 15806.65 00:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:16 6276884 7528108 292212 3.59 30608 1426420 531412 5.79 449132 1187520 192 01:00:16 6290132 7541884 278380 3.42 30792 1426752 532280 5.80 447852 1188044 132 01:10:15 6296420 7548712 271584 3.34 31000 1427076 532452 5.80 447980 1188576 140 01:20:08 6294500 7547392 272816 3.35 31208 1427452 532548 5.80 448300 1189132 184 01:30:16 6234940 7515860 303604 3.73 31616 1454692 740252 8.06 463564 1207328 140 01:40:17 6141032 7468664 347820 4.28 35944 1494456 580304 6.32 517832 1249312 10996 01:50:17 5161748 7378732 387864 4.77 87808 2289428 656512 7.15 617564 2052488 192 Average: 6099379 7504193 307754 3.78 39854 1563754 586537 6.39 484603 1323200 1711 00:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 1.33 0.09 0.16 0.06 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.42 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:15 ens3 0.69 0.06 8.35 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.41 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:30:16 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.54 0.33 3.18 0.60 0.00 0.00 0.00 0.00 01:40:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 16.09 9.69 50.44 4.15 0.00 0.00 0.00 0.00 01:50:17 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:17 ens3 89.74 65.22 279.05 13.23 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.61 10.79 48.79 2.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34101) 07/09/26 _x86_64_ (2 CPU) 00:37:28 LINUX RESTART (2 CPU) 00:40:16 CPU %user %nice %system %iowait %steal %idle 00:50:16 all 0.28 0.00 0.09 2.09 0.02 97.51 00:50:16 0 0.09 0.00 0.11 4.12 0.02 95.66 00:50:16 1 0.48 0.00 0.08 0.06 0.02 99.36 01:00:16 all 0.28 0.00 0.17 0.05 0.02 99.48 01:00:16 0 0.14 0.00 0.18 0.01 0.02 99.65 01:00:16 1 0.42 0.00 0.16 0.09 0.02 99.32 01:10:15 all 0.27 0.00 0.07 0.04 0.02 99.60 01:10:15 0 0.47 0.00 0.05 0.00 0.01 99.47 01:10:15 1 0.06 0.00 0.09 0.09 0.03 99.74 01:20:08 all 0.23 0.00 0.09 0.06 0.02 99.59 01:20:08 0 0.40 0.00 0.08 0.10 0.02 99.40 01:20:08 1 0.06 0.00 0.10 0.02 0.03 99.79 01:30:16 all 0.40 0.00 0.20 0.08 0.02 99.30 01:30:16 0 0.46 0.00 0.15 0.11 0.02 99.27 01:30:16 1 0.34 0.00 0.25 0.06 0.03 99.33 01:40:17 all 0.71 0.00 0.16 0.05 0.02 99.07 01:40:17 0 0.93 0.00 0.15 0.07 0.02 98.84 01:40:17 1 0.49 0.00 0.17 0.03 0.03 99.29 01:50:17 all 14.44 0.00 1.98 2.08 0.05 81.45 01:50:17 0 8.69 0.00 1.55 2.73 0.05 86.98 01:50:17 1 20.18 0.00 2.41 1.43 0.06 75.93 Average: all 2.37 0.00 0.39 0.64 0.03 96.57 Average: 0 1.60 0.00 0.32 1.02 0.02 97.04 Average: 1 3.15 0.00 0.46 0.25 0.03 96.11