---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1629 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 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 733 5224 4 2276 7208 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:2d:ca:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82003sec preferred_lft 82003sec inet6 fe80::f816:3eff:fe2d:cac3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1629) 08/03/26 _x86_64_ (2 CPU) 00:42:48 LINUX RESTART (2 CPU) 00:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:17 1.40 0.01 1.38 0.01 0.05 17.31 654.02 01:10:01 1.09 0.00 1.09 0.00 0.00 13.44 0.00 01:20:07 1.68 0.25 1.42 0.01 30.71 74.13 0.29 01:30:17 1.45 0.00 1.43 0.02 1.04 17.97 642.77 01:40:01 1.13 0.00 1.13 0.00 0.00 13.83 0.00 01:50:13 13.38 1.47 10.98 0.93 109.65 1891.73 528.89 Average: 3.40 0.30 2.94 0.16 24.00 344.51 308.11 00:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:17 6283548 7535000 285512 3.51 30732 1426324 527708 5.75 444800 1187944 132 01:10:01 6283548 7535484 285024 3.50 30884 1426656 527900 5.75 444996 1188428 272 01:20:07 6228032 7507292 312720 3.85 31224 1453284 728672 7.94 459748 1206628 240 01:30:17 6242096 7522208 297840 3.66 31416 1453924 527996 5.75 454484 1207144 200 01:40:01 6257272 7537952 282072 3.47 31552 1454372 529372 5.77 456392 1207592 276 01:50:13 5475872 7417888 362220 4.45 71648 2041472 613000 6.68 567308 1818436 139996 Average: 6128395 7509304 304231 3.74 37909 1542672 575775 6.27 471288 1302695 23519 00:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 0.53 0.05 0.06 0.01 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 0.42 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:20:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 0.80 0.29 6.84 0.07 0.00 0.00 0.00 0.00 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.56 0.08 0.67 0.05 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.71 0.19 0.14 0.54 0.00 0.00 0.00 0.00 01:50:13 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:50:13 ens3 39.23 24.04 272.84 5.73 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.17 4.20 47.70 1.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1629) 08/03/26 _x86_64_ (2 CPU) 00:42:48 LINUX RESTART (2 CPU) 00:50:16 CPU %user %nice %system %iowait %steal %idle 01:00:17 all 0.28 0.00 0.16 0.65 0.02 98.89 01:00:17 0 0.29 0.00 0.17 1.25 0.02 98.28 01:00:17 1 0.27 0.00 0.16 0.05 0.02 99.50 01:10:01 all 0.28 0.00 0.07 0.01 0.02 99.61 01:10:01 0 0.09 0.00 0.09 0.00 0.02 99.79 01:10:01 1 0.48 0.00 0.05 0.02 0.02 99.44 01:20:07 all 0.42 0.00 0.11 0.02 0.02 99.43 01:20:07 0 0.31 0.00 0.15 0.02 0.02 99.51 01:20:07 1 0.53 0.00 0.07 0.02 0.01 99.36 01:30:17 all 0.29 0.00 0.17 0.01 0.02 99.51 01:30:17 0 0.37 0.00 0.16 0.00 0.01 99.45 01:30:17 1 0.21 0.00 0.17 0.01 0.02 99.58 01:40:01 all 0.31 0.00 0.07 0.01 0.02 99.60 01:40:01 0 0.30 0.00 0.06 0.00 0.01 99.62 01:40:01 1 0.31 0.00 0.08 0.01 0.02 99.58 01:50:13 all 6.73 0.00 0.93 0.32 0.03 92.00 01:50:13 0 8.82 0.00 1.16 0.50 0.03 89.49 01:50:13 1 4.64 0.00 0.70 0.13 0.03 94.50 Average: all 1.41 0.00 0.25 0.17 0.02 98.15 Average: 0 1.73 0.00 0.30 0.30 0.02 97.66 Average: 1 1.09 0.00 0.21 0.04 0.02 98.64