---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16661 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 740 5309 4 2180 7201 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:01:28:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82306sec preferred_lft 82306sec inet6 fe80::f816:3eff:fe01:2842/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16661) 05/19/26 _x86_64_ (2 CPU) 01:48:33 LINUX RESTART (2 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 2.39 0.27 2.09 0.03 31.69 80.52 643.38 02:10:18 1.48 0.01 1.45 0.01 1.10 16.91 0.89 02:20:04 1.32 0.00 1.30 0.02 0.01 15.18 1.23 02:30:14 1.54 0.00 1.51 0.03 0.00 18.10 429.74 02:40:22 13.95 0.00 1.55 12.40 0.14 18.79 107676.07 02:50:04 1.64 0.26 1.36 0.02 8.95 33.66 225.67 Average: 3.75 0.09 1.55 2.11 7.03 30.63 18406.95 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 6236832 7509792 310056 3.81 30740 1447588 723972 7.89 458192 1200208 188 02:10:18 6245436 7519256 300664 3.70 30956 1448224 529324 5.77 453140 1200748 144 02:20:04 6266164 7540504 279404 3.44 31152 1448544 529324 5.77 453260 1201260 228 02:30:14 6262492 7537388 282500 3.47 31352 1448876 529324 5.77 453100 1201800 196 02:40:22 6258964 7534616 285172 3.51 31592 1449380 584400 6.37 458660 1202388 128 02:50:04 6255252 7539080 280544 3.45 31856 1457340 535536 5.83 464968 1209740 352 Average: 6254190 7530106 289723 3.56 31275 1449992 571980 6.23 456887 1202691 206 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 1.18 0.26 3.15 0.05 0.00 0.00 0.00 0.00 02:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:18 ens3 0.40 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.25 0.02 0.05 0.01 0.00 0.00 0.00 0.00 02:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:14 ens3 0.32 0.03 0.92 0.01 0.00 0.00 0.00 0.00 02:40:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:22 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 5.02 2.62 10.37 1.24 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.22 0.49 2.40 0.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16661) 05/19/26 _x86_64_ (2 CPU) 01:48:33 LINUX RESTART (2 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 0.39 0.00 0.19 0.05 0.03 99.34 02:00:14 0 0.57 0.00 0.19 0.06 0.02 99.15 02:00:14 1 0.20 0.00 0.19 0.05 0.03 99.53 02:10:18 all 0.24 0.00 0.07 0.53 0.03 99.12 02:10:18 0 0.20 0.00 0.07 0.03 0.03 99.67 02:10:18 1 0.29 0.00 0.07 1.03 0.03 98.58 02:20:04 all 0.27 0.00 0.07 0.07 0.03 99.57 02:20:04 0 0.48 0.00 0.05 0.12 0.02 99.33 02:20:04 1 0.05 0.00 0.08 0.03 0.03 99.81 02:30:14 all 0.28 0.00 0.16 0.04 0.03 99.49 02:30:14 0 0.27 0.00 0.16 0.04 0.02 99.50 02:30:14 1 0.28 0.00 0.16 0.04 0.03 99.49 02:40:22 all 0.25 0.00 0.10 0.07 0.03 99.55 02:40:22 0 0.07 0.00 0.12 0.12 0.03 99.66 02:40:22 1 0.43 0.00 0.07 0.02 0.02 99.45 02:50:04 all 0.39 0.00 0.09 0.04 0.03 99.45 02:50:04 0 0.34 0.00 0.09 0.04 0.03 99.50 02:50:04 1 0.45 0.00 0.09 0.03 0.03 99.40 Average: all 0.30 0.00 0.11 0.14 0.03 99.42 Average: 0 0.32 0.00 0.11 0.07 0.03 99.47 Average: 1 0.28 0.00 0.11 0.20 0.03 99.37