---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19447 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: 5600.00 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 8.3G 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 751 4828 4 2665 7190 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:f6:9e:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81554sec preferred_lft 81554sec inet6 fe80::f816:3eff:fef6:9ee8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19447) 05/24/26 _x86_64_ (2 CPU) 00:15:41 LINUX RESTART (2 CPU) 00:20:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:14 15.06 0.28 2.01 12.77 32.91 81.45 111693.73 00:40:01 38.98 16.93 19.66 2.39 388.25 3526.45 591.62 00:50:24 1.26 0.00 1.25 0.01 0.00 16.33 0.71 01:00:14 1.51 0.00 1.49 0.02 0.00 19.20 0.37 01:10:01 1.41 0.00 1.40 0.01 0.00 237.35 0.37 01:20:04 1.41 0.00 1.38 0.03 0.00 323.50 0.89 01:30:24 1.61 0.00 1.57 0.04 0.00 21.07 0.88 Average: 8.60 2.41 4.05 2.14 58.89 592.15 15773.69 00:20:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:14 6237472 7515808 304372 3.74 30844 1452792 719404 7.84 461748 1204696 188 00:40:01 4880832 7132484 626384 7.70 89644 2314296 764320 8.32 729512 2078532 656 00:50:24 4872948 7125028 633936 7.80 89752 2314676 860864 9.38 826384 2079020 132 01:00:14 4862332 7115048 643860 7.92 89884 2315176 900628 9.81 848844 2079652 132 01:10:01 4907848 7226592 531880 6.54 90048 2380604 804188 8.76 753720 2145112 180 01:20:04 4660348 7073472 683392 8.40 90224 2473504 941736 10.26 891660 2238192 196 01:30:24 4707412 7121164 635320 7.81 90408 2473940 955492 10.41 855448 2238808 184 Average: 5018456 7187085 579878 7.13 81543 2246427 849519 9.25 766759 2009145 238 00:20:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:14 ens3 1.19 0.29 3.31 0.08 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 89.19 68.28 697.86 13.42 0.00 0.00 0.00 0.00 00:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:24 ens3 21.92 18.16 295.17 1.27 0.00 0.00 0.00 0.00 01:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 70.81 64.02 1215.84 4.22 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 24.62 21.67 432.45 1.48 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 34.39 32.65 542.69 2.20 0.00 0.00 0.00 0.00 01:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:24 ens3 5.48 4.77 74.18 0.36 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 35.02 29.69 461.87 3.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19447) 05/24/26 _x86_64_ (2 CPU) 00:15:41 LINUX RESTART (2 CPU) 00:20:24 CPU %user %nice %system %iowait %steal %idle 00:30:14 all 0.44 0.00 0.22 0.04 0.02 99.28 00:30:14 0 0.47 0.00 0.21 0.03 0.02 99.27 00:30:14 1 0.41 0.00 0.23 0.05 0.02 99.29 00:40:01 all 12.17 0.18 1.87 0.79 0.05 84.95 00:40:01 0 14.09 0.02 2.04 0.73 0.05 83.09 00:40:01 1 10.26 0.34 1.70 0.84 0.05 86.80 00:50:24 all 0.48 0.00 0.20 0.01 0.04 99.25 00:50:24 0 0.48 0.00 0.27 0.02 0.06 99.17 00:50:24 1 0.49 0.00 0.13 0.01 0.03 99.34 01:00:14 all 1.06 0.00 0.61 0.01 0.06 98.26 01:00:14 0 1.61 0.00 1.00 0.01 0.07 97.32 01:00:14 1 0.51 0.00 0.23 0.01 0.05 99.20 01:10:01 all 0.73 0.00 0.25 0.01 0.06 98.94 01:10:01 0 0.61 0.00 0.15 0.01 0.05 99.18 01:10:01 1 0.85 0.00 0.34 0.02 0.08 98.71 01:20:04 all 0.83 0.00 0.25 0.02 0.07 98.84 01:20:04 0 0.90 0.00 0.23 0.01 0.07 98.80 01:20:04 1 0.76 0.00 0.27 0.02 0.06 98.88 01:30:24 all 0.43 0.00 0.26 0.01 0.06 99.23 01:30:24 0 0.46 0.00 0.20 0.01 0.04 99.30 01:30:24 1 0.41 0.00 0.32 0.02 0.09 99.17 Average: all 2.27 0.02 0.52 0.13 0.05 97.01 Average: 0 2.61 0.00 0.58 0.11 0.05 96.64 Average: 1 1.92 0.05 0.46 0.14 0.05 97.38