---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1881 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 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 739 5259 4 2238 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:3e:55:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82414sec preferred_lft 82414sec inet6 fe80::f816:3eff:fe3e:559b/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-1881) 04/11/26 _x86_64_ (2 CPU) 00:42:18 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 15.58 13.48 2.03 0.07 150.46 46.16 440.51 01:10:03 2.01 0.32 1.68 0.02 40.09 73.73 0.21 01:20:01 1.37 0.00 1.36 0.01 0.01 15.80 0.72 01:30:07 1.55 0.00 1.51 0.04 0.00 19.05 1.56 01:40:07 1.86 0.40 1.44 0.02 15.82 49.58 1.27 Average: 4.48 2.85 1.60 0.03 41.34 40.85 89.11 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6229712 7533884 277928 3.42 34684 1466844 524988 5.72 445344 1231056 184 01:10:03 6198648 7531964 279192 3.43 35044 1495224 525180 5.72 456864 1248416 244 01:20:01 6204124 7537956 273212 3.36 35224 1495548 525244 5.72 457544 1248924 124 01:30:07 6202116 7536516 274644 3.38 35444 1495876 525240 5.72 457548 1249472 192 01:40:07 6148804 7504564 306240 3.77 35808 1516580 567944 6.19 500476 1268892 6444 Average: 6196681 7528977 282243 3.47 35241 1494014 533719 5.81 463555 1249352 1438 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.82 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 1.15 0.26 13.13 0.05 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 0.58 0.11 0.14 0.06 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.32 0.07 0.07 0.04 0.00 0.00 0.00 0.00 01:40:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 13.12 7.07 34.00 3.37 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 3.19 1.51 9.47 0.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1881) 04/11/26 _x86_64_ (2 CPU) 00:42:18 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.29 0.17 0.23 0.13 0.02 99.16 01:00:04 0 0.20 0.20 0.23 0.14 0.02 99.20 01:00:04 1 0.38 0.13 0.23 0.12 0.02 99.12 01:10:03 all 0.38 0.00 0.10 0.02 0.02 99.47 01:10:03 0 0.26 0.00 0.13 0.03 0.02 99.57 01:10:03 1 0.50 0.00 0.08 0.02 0.02 99.38 01:20:01 all 0.26 0.00 0.08 0.01 0.02 99.63 01:20:01 0 0.19 0.00 0.07 0.00 0.02 99.71 01:20:01 1 0.33 0.00 0.08 0.02 0.02 99.55 01:30:07 all 0.26 0.00 0.17 0.01 0.02 99.53 01:30:07 0 0.37 0.00 0.16 0.01 0.02 99.44 01:30:07 1 0.16 0.00 0.17 0.01 0.03 99.63 01:40:07 all 0.58 0.00 0.11 0.02 0.03 99.27 01:40:07 0 0.46 0.00 0.10 0.01 0.03 99.40 01:40:07 1 0.69 0.00 0.12 0.02 0.02 99.14 Average: all 0.35 0.03 0.14 0.04 0.02 99.41 Average: 0 0.30 0.04 0.14 0.04 0.02 99.46 Average: 1 0.41 0.03 0.14 0.04 0.02 99.36