---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26969 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 8.0G 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 779 5068 4 2386 7162 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:5b:79:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81736sec preferred_lft 81736sec inet6 fe80::f816:3eff:fe5b:790b/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-26969) 06/13/26 _x86_64_ (2 CPU) 00:41:02 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:27 1.11 0.01 1.09 0.01 0.05 14.63 418.33 01:10:37 0.99 0.00 0.99 0.00 0.00 12.60 0.00 01:20:01 14.39 0.01 1.06 13.33 0.17 13.49 116107.78 01:30:17 1.51 0.25 1.24 0.02 31.20 71.87 636.67 01:40:25 1.36 0.42 0.93 0.01 16.55 80.11 5.61 01:50:01 25.43 2.69 20.37 2.37 219.93 3664.03 714.02 Average: 7.17 0.55 4.15 2.47 43.34 618.49 18493.17 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:27 6274992 7538220 282080 3.47 30852 1438108 532836 5.80 453260 1191288 108 01:10:37 6274504 7538220 282104 3.47 31012 1438436 533016 5.81 453416 1191768 28 01:20:01 6280328 7544552 275720 3.39 31168 1438780 533080 5.81 453984 1192240 148 01:30:17 6220088 7511528 308220 3.79 31544 1465232 560560 6.11 466756 1210000 16 01:40:25 6151868 7470144 349088 4.29 32040 1491156 580460 6.32 516956 1234900 596 01:50:01 5101368 7363220 403328 4.96 87092 2334848 683276 7.44 639724 2089424 604 Average: 6050525 7494314 316757 3.89 40618 1601093 570538 6.21 497349 1351603 250 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:27 ens3 0.90 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:37 ens3 0.33 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.65 0.14 0.19 0.11 0.00 0.00 0.00 0.00 01:30:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.67 0.38 3.11 0.61 0.00 0.00 0.00 0.00 01:40:25 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:25 ens3 18.08 8.99 40.62 3.30 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 66.25 49.50 320.61 12.18 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 14.08 9.54 58.73 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26969) 06/13/26 _x86_64_ (2 CPU) 00:41:02 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:27 all 0.29 0.00 0.17 0.01 0.02 99.52 01:00:27 0 0.22 0.00 0.15 0.01 0.02 99.60 01:00:27 1 0.35 0.00 0.18 0.01 0.02 99.45 01:10:37 all 0.25 0.00 0.07 0.01 0.02 99.65 01:10:37 0 0.06 0.00 0.08 0.01 0.03 99.82 01:10:37 1 0.44 0.00 0.07 0.00 0.02 99.47 01:20:01 all 0.31 0.00 0.08 0.03 0.03 99.55 01:20:01 0 0.20 0.00 0.09 0.01 0.03 99.67 01:20:01 1 0.41 0.00 0.08 0.05 0.02 99.44 01:30:17 all 0.36 0.00 0.19 0.02 0.03 99.41 01:30:17 0 0.50 0.00 0.18 0.01 0.02 99.28 01:30:17 1 0.21 0.00 0.19 0.03 0.03 99.53 01:40:25 all 0.59 0.00 0.14 0.05 0.03 99.19 01:40:25 0 0.67 0.00 0.14 0.01 0.02 99.16 01:40:25 1 0.51 0.00 0.14 0.08 0.04 99.23 01:50:01 all 17.13 0.00 1.79 0.86 0.07 80.16 01:50:01 0 19.22 0.00 1.97 0.88 0.07 77.87 01:50:01 1 15.03 0.00 1.61 0.83 0.07 82.45 Average: all 3.04 0.00 0.40 0.16 0.03 96.38 Average: 0 3.35 0.00 0.42 0.15 0.03 96.05 Average: 1 2.72 0.00 0.37 0.16 0.03 96.71