---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37882 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 759 5118 4 2365 7182 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:98:f7:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82283sec preferred_lft 82283sec inet6 fe80::f816:3eff:fe98:f791/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37882) 07/23/26 _x86_64_ (2 CPU) 00:39:50 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 20.02 3.33 4.20 12.49 397.39 3643.86 108504.04 01:00:04 0.98 0.01 0.96 0.01 0.05 13.83 653.78 01:10:01 0.83 0.00 0.83 0.00 0.00 11.72 0.00 01:20:04 0.84 0.00 0.84 0.00 0.01 11.53 0.00 01:30:04 15.35 13.54 1.75 0.06 151.12 43.41 14.44 01:40:01 1.46 0.25 1.20 0.01 31.14 73.30 0.17 Average: 6.60 2.86 1.63 2.11 97.11 637.77 18341.40 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 6280348 7538244 281512 3.46 30652 1433020 537880 5.86 451668 1186860 160 01:00:04 6270960 7529548 290180 3.57 30856 1433484 537864 5.86 452004 1187400 184 01:10:01 6278016 7537096 282660 3.48 31016 1433812 538028 5.86 452052 1187888 124 01:20:04 6276280 7535848 283908 3.49 31164 1434144 538060 5.86 452644 1188368 168 01:30:04 6207428 7524128 286492 3.52 35316 1478776 538132 5.86 453068 1236544 172 01:40:01 6162708 7506808 303352 3.73 35652 1505476 738460 8.04 468196 1254688 56 Average: 6245957 7528612 288017 3.54 32443 1453119 571404 6.22 454939 1206958 144 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 11.68 5.82 35.56 1.72 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.43 0.06 0.07 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 0.32 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.41 0.09 0.11 0.05 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 1.21 0.71 3.37 0.63 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 2.40 1.14 6.59 0.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37882) 07/23/26 _x86_64_ (2 CPU) 00:39:50 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 0.73 0.00 0.52 1.66 0.02 97.06 00:50:04 0 0.58 0.00 0.56 1.22 0.03 97.61 00:50:04 1 0.88 0.00 0.49 2.11 0.02 96.51 01:00:04 all 0.29 0.00 0.17 0.01 0.02 99.52 01:00:04 0 0.27 0.00 0.16 0.01 0.01 99.55 01:00:04 1 0.31 0.00 0.18 0.01 0.02 99.49 01:10:01 all 0.28 0.00 0.08 0.01 0.02 99.62 01:10:01 0 0.06 0.00 0.09 0.01 0.02 99.82 01:10:01 1 0.51 0.00 0.07 0.00 0.02 99.41 01:20:04 all 0.28 0.00 0.08 0.01 0.02 99.61 01:20:04 0 0.07 0.00 0.09 0.00 0.03 99.80 01:20:04 1 0.48 0.00 0.07 0.01 0.02 99.42 01:30:04 all 0.29 0.18 0.24 0.15 0.04 99.11 01:30:04 0 0.11 0.34 0.29 0.24 0.05 98.96 01:30:04 1 0.46 0.02 0.18 0.05 0.04 99.26 01:40:01 all 0.39 0.00 0.09 0.02 0.04 99.47 01:40:01 0 0.36 0.00 0.06 0.01 0.03 99.54 01:40:01 1 0.41 0.00 0.12 0.04 0.04 99.40 Average: all 0.38 0.03 0.20 0.31 0.03 99.06 Average: 0 0.24 0.06 0.21 0.25 0.03 99.21 Average: 1 0.51 0.00 0.18 0.37 0.02 98.91