---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23820 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 756 5217 4 2259 7185 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:e7:48:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82340sec preferred_lft 82340sec inet6 fe80::f816:3eff:fee7:48b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23820) 06/05/26 _x86_64_ (2 CPU) 00:39:36 LINUX RESTART (2 CPU) 00:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 2.33 0.29 2.01 0.04 32.68 81.12 220.65 01:00:07 1.70 0.01 1.66 0.02 1.10 26.90 431.94 01:10:23 1.50 0.00 1.48 0.02 0.00 18.40 213.35 01:20:01 1.18 0.00 1.17 0.02 0.01 14.55 1.13 01:30:26 1.40 0.00 1.37 0.03 0.00 17.61 418.93 01:40:27 2.98 1.32 1.60 0.05 96.29 165.40 4.56 Average: 1.85 0.27 1.55 0.03 21.52 53.75 218.15 00:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6234180 7511912 308140 3.79 30792 1452224 713684 7.77 459460 1204428 2364 01:00:07 6253556 7532208 287908 3.54 31020 1452880 518848 5.65 454468 1204996 156 01:10:23 6272812 7552044 268056 3.30 31260 1453204 518976 5.65 454956 1205564 124 01:20:01 6276432 7556188 263908 3.25 31456 1453528 518984 5.65 455248 1206084 176 01:30:26 6275572 7555888 264228 3.25 31668 1453860 519000 5.65 455168 1206628 120 01:40:27 6091120 7491140 321980 3.96 41096 1558192 549224 5.98 509556 1307664 49532 Average: 6233945 7533230 285703 3.51 32882 1470648 556453 6.06 464809 1222561 8745 00:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.79 0.29 3.50 0.09 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.53 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:23 ens3 1.33 0.29 0.35 0.74 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 0.52 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:26 ens3 0.30 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:27 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:27 ens3 18.16 10.79 69.58 4.50 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 3.92 1.92 12.22 0.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23820) 06/05/26 _x86_64_ (2 CPU) 00:39:36 LINUX RESTART (2 CPU) 00:40:04 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.46 0.00 0.21 0.02 0.03 99.28 00:50:01 0 0.56 0.00 0.21 0.02 0.02 99.19 00:50:01 1 0.36 0.00 0.22 0.02 0.03 99.37 01:00:07 all 0.28 0.00 0.18 0.01 0.03 99.51 01:00:07 0 0.28 0.00 0.19 0.00 0.02 99.50 01:00:07 1 0.28 0.00 0.16 0.02 0.03 99.52 01:10:23 all 0.29 0.00 0.08 0.01 0.02 99.58 01:10:23 0 0.21 0.00 0.09 0.02 0.02 99.66 01:10:23 1 0.38 0.00 0.08 0.01 0.03 99.50 01:20:01 all 0.28 0.00 0.06 0.02 0.03 99.62 01:20:01 0 0.05 0.00 0.08 0.01 0.03 99.83 01:20:01 1 0.52 0.00 0.04 0.02 0.02 99.40 01:30:26 all 0.28 0.00 0.14 0.01 0.03 99.55 01:30:26 0 0.08 0.00 0.16 0.01 0.03 99.72 01:30:26 1 0.47 0.00 0.13 0.01 0.02 99.37 01:40:27 all 1.29 0.00 0.25 0.06 0.03 98.38 01:40:27 0 1.96 0.00 0.25 0.09 0.02 97.67 01:40:27 1 0.61 0.00 0.25 0.03 0.03 99.08 Average: all 0.48 0.00 0.15 0.02 0.03 99.32 Average: 0 0.52 0.00 0.16 0.03 0.02 99.26 Average: 1 0.43 0.00 0.15 0.02 0.03 99.38