---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8879 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 765 5272 4 2192 7176 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:e1:68:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82373sec preferred_lft 82373sec inet6 fe80::f816:3eff:fee1:68a8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8879) 04/28/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:16 1.44 0.01 1.41 0.02 0.05 17.78 638.37 01:10:01 1.20 0.00 1.19 0.02 0.00 14.61 1.23 01:20:01 13.79 0.00 1.24 12.55 0.16 15.02 109158.32 01:30:16 2.18 0.31 1.83 0.04 38.09 76.24 639.20 01:40:01 1.63 0.26 1.36 0.02 8.92 33.06 1.11 Average: 4.05 0.12 1.41 2.53 9.59 31.57 22101.16 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:16 6281696 7532848 287572 3.54 30756 1426232 526512 5.73 445460 1187552 136 01:10:01 6291220 7542856 277556 3.41 30956 1426520 526732 5.74 445700 1188040 124 01:20:01 6291852 7544060 276164 3.40 31144 1426892 526756 5.74 446056 1188576 192 01:30:16 6223084 7504460 314996 3.87 31564 1455244 729452 7.95 463164 1206272 204 01:40:01 6221912 7511708 307712 3.78 31800 1463328 735284 8.01 470680 1213644 136 Average: 6261953 7527186 292800 3.60 31244 1439643 608947 6.63 454212 1196817 158 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.55 0.05 0.08 0.03 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 0.59 0.05 1.86 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 0.47 0.08 0.12 0.05 0.00 0.00 0.00 0.00 01:30:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.68 0.34 3.08 0.50 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 5.93 2.68 10.42 0.79 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 1.62 0.63 3.06 0.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8879) 04/28/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:16 all 0.28 0.00 0.17 0.01 0.03 99.51 01:00:16 0 0.30 0.00 0.16 0.02 0.03 99.50 01:00:16 1 0.27 0.00 0.18 0.00 0.03 99.52 01:10:01 all 0.23 0.00 0.07 0.01 0.03 99.66 01:10:01 0 0.04 0.00 0.07 0.02 0.03 99.84 01:10:01 1 0.42 0.00 0.07 0.00 0.03 99.48 01:20:01 all 0.24 0.00 0.08 0.03 0.03 99.61 01:20:01 0 0.05 0.00 0.10 0.05 0.04 99.76 01:20:01 1 0.43 0.00 0.06 0.02 0.03 99.46 01:30:16 all 0.43 0.00 0.18 0.02 0.03 99.34 01:30:16 0 0.30 0.00 0.17 0.02 0.03 99.47 01:30:16 1 0.55 0.00 0.19 0.03 0.04 99.20 01:40:01 all 0.28 0.00 0.08 0.01 0.03 99.60 01:40:01 0 0.41 0.00 0.07 0.02 0.02 99.48 01:40:01 1 0.15 0.00 0.08 0.01 0.04 99.73 Average: all 0.29 0.00 0.12 0.02 0.03 99.54 Average: 0 0.22 0.00 0.12 0.02 0.03 99.61 Average: 1 0.36 0.00 0.12 0.01 0.03 99.47