---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32226 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 744 5227 4 2262 7197 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:77:bc:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81721sec preferred_lft 81721sec inet6 fe80::f816:3eff:fe77:bc4f/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-32226) 07/02/26 _x86_64_ (2 CPU) 00:40:16 LINUX RESTART (2 CPU) 00:50:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.39 0.01 1.36 0.02 0.06 17.51 926.97 01:10:00 13.84 0.00 1.26 12.57 0.15 15.44 109223.58 01:20:00 1.20 0.00 1.18 0.02 0.01 14.82 1.32 01:30:00 1.55 0.00 1.52 0.03 0.00 19.40 872.63 01:40:00 1.18 0.00 1.17 0.02 0.00 14.98 1.20 01:50:00 1.16 0.00 1.14 0.02 0.00 14.82 1.32 Average: 3.41 0.00 1.27 2.13 0.04 16.15 18668.17 00:50:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6259124 7530252 290212 3.57 30428 1446400 718696 7.83 458192 1200848 124 01:10:00 6259188 7530892 289532 3.56 30624 1446776 718856 7.83 458280 1201392 128 01:20:00 6259188 7531432 288984 3.55 30832 1447096 723300 7.88 456832 1201920 132 01:30:00 6249948 7522740 297648 3.66 31032 1447428 723436 7.88 457004 1202452 120 01:40:00 6249696 7523092 297288 3.66 31232 1447824 723460 7.88 457236 1202984 128 01:50:00 6249696 7523752 296584 3.65 31436 1448276 723520 7.88 457696 1203512 152 Average: 6254473 7527027 293375 3.61 30931 1447300 721878 7.86 457540 1202185 131 00:50:37 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.60 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.65 0.05 13.11 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.77 0.10 0.94 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.40 0.22 0.08 0.55 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.48 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.36 0.07 0.08 0.04 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 0.54 0.10 2.43 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32226) 07/02/26 _x86_64_ (2 CPU) 00:40:16 LINUX RESTART (2 CPU) 00:50:37 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.16 0.01 0.03 99.50 01:00:01 0 0.18 0.00 0.16 0.02 0.03 99.61 01:00:01 1 0.41 0.00 0.17 0.01 0.03 99.39 01:10:00 all 0.24 0.00 0.09 0.11 0.03 99.54 01:10:00 0 0.19 0.00 0.08 0.11 0.02 99.59 01:10:00 1 0.29 0.00 0.10 0.11 0.03 99.48 01:20:00 all 0.28 0.00 0.08 0.01 0.03 99.60 01:20:00 0 0.14 0.00 0.09 0.02 0.03 99.72 01:20:00 1 0.41 0.00 0.06 0.01 0.03 99.49 01:30:00 all 0.27 0.00 0.17 0.02 0.03 99.51 01:30:00 0 0.28 0.00 0.16 0.02 0.03 99.52 01:30:00 1 0.26 0.00 0.19 0.01 0.03 99.51 01:40:00 all 0.23 0.00 0.07 0.09 0.03 99.58 01:40:00 0 0.05 0.00 0.09 0.05 0.03 99.79 01:40:00 1 0.41 0.00 0.06 0.13 0.02 99.37 01:50:00 all 0.23 0.00 0.07 0.04 0.03 99.63 01:50:00 0 0.04 0.00 0.08 0.07 0.04 99.77 01:50:00 1 0.42 0.00 0.06 0.01 0.02 99.50 Average: all 0.26 0.00 0.11 0.05 0.03 99.56 Average: 0 0.15 0.00 0.11 0.05 0.03 99.67 Average: 1 0.37 0.00 0.10 0.05 0.03 99.46