---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1696 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 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 817 5087 4 2325 7124 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:d1:9a:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84143sec preferred_lft 84143sec inet6 fe80::f816:3eff:fed1:9a8f/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-1696) 04/10/26 _x86_64_ (2 CPU) 03:07:15 LINUX RESTART (2 CPU) 03:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:16 13.10 1.58 10.07 1.45 121.06 1892.42 887.42 03:30:01 1.17 0.01 1.14 0.02 0.05 126.60 0.60 03:40:26 1.62 0.31 1.25 0.06 38.42 110.62 2.75 Average: 5.35 0.64 4.19 0.52 53.98 716.03 300.11 03:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:16 5288424 7396808 375716 4.62 84180 2188712 718028 7.82 609496 1953384 1656 03:30:01 5253320 7395096 376736 4.63 84372 2221712 719428 7.84 611124 1986560 2108 03:40:26 5206600 7388376 382904 4.71 84740 2260824 676968 7.37 621648 2014684 132 Average: 5249448 7393427 378452 4.65 84431 2223749 704808 7.68 614089 1984876 1299 03:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:16 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:20:16 ens3 64.28 49.89 53.26 11.56 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 54.14 53.49 24.93 5.44 0.00 0.00 0.00 0.00 03:40:26 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:26 ens3 27.51 25.53 13.44 3.16 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 48.42 42.69 30.54 6.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1696) 04/10/26 _x86_64_ (2 CPU) 03:07:15 LINUX RESTART (2 CPU) 03:10:02 CPU %user %nice %system %iowait %steal %idle 03:20:16 all 9.38 0.00 1.23 3.26 0.05 86.08 03:20:16 0 9.45 0.00 1.11 4.07 0.05 85.32 03:20:16 1 9.30 0.00 1.35 2.45 0.05 86.84 03:30:01 all 6.90 0.00 0.97 0.01 0.06 92.06 03:30:01 0 5.43 0.00 0.91 0.01 0.05 93.59 03:30:01 1 8.38 0.00 1.02 0.01 0.06 90.52 03:40:26 all 4.98 0.00 0.45 0.03 0.06 94.48 03:40:26 0 3.37 0.00 0.32 0.02 0.05 96.23 03:40:26 1 6.60 0.00 0.58 0.03 0.06 92.73 Average: all 7.08 0.00 0.88 1.11 0.05 90.87 Average: 0 6.08 0.00 0.78 1.38 0.05 91.71 Average: 1 8.08 0.00 0.98 0.84 0.06 90.03