---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20223 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: 5599.86 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 8.2G 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 761 4951 4 2523 7180 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:e4:aa:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82430sec preferred_lft 82430sec inet6 fe80::f816:3eff:fee4:aa9a/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-20223) 05/26/26 _x86_64_ (2 CPU) 03:05:13 LINUX RESTART (2 CPU) 03:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:00 1.67 0.03 1.62 0.01 1.73 30.85 0.96 03:30:00 1.50 0.01 1.46 0.03 0.05 18.83 1.43 03:40:00 1.37 0.00 1.35 0.02 0.00 145.64 2.05 03:50:00 1.45 0.00 1.43 0.02 0.00 299.52 2.44 04:00:00 1.55 0.00 1.53 0.02 0.00 20.04 0.71 04:10:00 2.28 0.30 1.69 0.29 33.46 101.27 1395.40 Average: 1.63 0.06 1.51 0.06 5.87 102.69 233.82 03:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:00 4995260 7157956 610368 7.51 85492 2238384 843820 9.19 792568 2009200 124 03:30:00 5086332 7249660 518376 6.37 85696 2238812 771828 8.41 719580 2009832 120 03:40:00 5081124 7284112 483820 5.95 85864 2278200 778560 8.48 710304 2049388 188 03:50:00 4846596 7136236 630304 7.75 86016 2363512 906888 9.88 838220 2134844 156 04:00:00 4856356 7146656 619876 7.62 86188 2363980 881112 9.60 813096 2135492 136 04:10:00 5148296 7425980 348360 4.28 86612 2357964 598216 6.52 585152 2120388 161516 Average: 5002327 7233433 535184 6.58 85978 2306809 796737 8.68 743153 2076524 27040 03:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 34.04 31.27 534.42 2.98 0.00 0.00 0.00 0.00 03:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:00 ens3 30.42 29.30 536.02 1.97 0.00 0.00 0.00 0.00 03:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:00 ens3 67.78 64.40 1140.97 4.25 0.00 0.00 0.00 0.00 03:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:00 ens3 21.52 20.47 364.98 1.38 0.00 0.00 0.00 0.00 04:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:00 ens3 18.50 17.64 303.81 1.20 0.00 0.00 0.00 0.00 04:10:00 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 04:10:00 ens3 30.10 23.28 274.66 18.87 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 33.73 31.06 525.91 5.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20223) 05/26/26 _x86_64_ (2 CPU) 03:05:13 LINUX RESTART (2 CPU) 03:10:00 CPU %user %nice %system %iowait %steal %idle 03:20:00 all 0.69 0.00 0.29 0.01 0.05 98.96 03:20:00 0 0.52 0.00 0.23 0.01 0.04 99.21 03:20:00 1 0.86 0.00 0.36 0.02 0.06 98.70 03:30:00 all 0.62 0.00 0.36 0.01 0.06 98.95 03:30:00 0 0.46 0.00 0.21 0.01 0.04 99.28 03:30:00 1 0.78 0.00 0.52 0.01 0.08 98.61 03:40:00 all 1.07 0.00 0.52 0.01 0.06 98.33 03:40:00 0 1.47 0.00 0.86 0.00 0.07 97.59 03:40:00 1 0.66 0.00 0.19 0.02 0.06 99.07 03:50:00 all 0.73 0.00 0.20 0.01 0.06 99.00 03:50:00 0 0.68 0.00 0.17 0.00 0.05 99.09 03:50:00 1 0.79 0.00 0.22 0.02 0.07 98.92 04:00:00 all 0.60 0.00 0.31 0.01 0.06 99.02 04:00:00 0 0.71 0.00 0.41 0.01 0.06 98.81 04:00:00 1 0.50 0.00 0.22 0.00 0.05 99.23 04:10:00 all 1.90 0.00 0.40 0.02 0.06 97.63 04:10:00 0 1.29 0.00 0.41 0.02 0.06 98.22 04:10:00 1 2.51 0.00 0.38 0.02 0.06 97.03 Average: all 0.94 0.00 0.35 0.01 0.06 98.65 Average: 0 0.85 0.00 0.38 0.01 0.05 98.70 Average: 1 1.02 0.00 0.31 0.01 0.06 98.59