---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1917 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 766 5181 4 2287 7175 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:f0:33:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82062sec preferred_lft 82062sec inet6 fe80::f816:3eff:fef0:3351/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1917) 08/04/26 _x86_64_ (2 CPU) 00:39:49 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 18.82 3.31 2.94 12.58 389.25 396.13 109343.21 01:00:02 2.02 0.26 1.72 0.03 32.08 79.03 871.85 01:10:01 1.29 0.00 1.27 0.02 0.00 16.33 219.18 01:20:00 1.16 0.00 1.15 0.02 0.01 14.38 1.10 01:30:01 1.36 0.00 1.32 0.03 0.00 16.96 652.64 01:40:01 14.30 1.62 11.73 0.95 116.68 2301.33 292.35 01:50:02 11.53 1.22 8.84 1.46 108.64 1349.70 611.52 Average: 7.21 0.92 4.14 2.16 92.40 596.16 16006.00 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 6296512 7543348 276988 3.41 30532 1421992 522756 5.69 445456 1183352 264 01:00:02 6271672 7546264 273640 3.36 30944 1448948 521200 5.68 453824 1201644 180 01:10:01 6264868 7540036 279856 3.44 31188 1449272 521268 5.68 454204 1202212 136 01:20:00 6262356 7538072 281808 3.47 31408 1449596 521420 5.68 454600 1202752 156 01:30:01 6260284 7536552 283316 3.48 31604 1449932 521552 5.68 454436 1203284 224 01:40:01 5448868 7388344 391436 4.81 71872 2038612 634180 6.91 593268 1815416 44732 01:50:02 5198264 7412296 353992 4.35 87476 2286096 630600 6.87 593740 2049768 580 Average: 6000403 7500702 305862 3.76 45003 1649207 553282 6.03 492790 1408347 6610 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 16.66 6.45 36.23 1.84 0.00 0.00 0.00 0.00 01:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 1.57 0.51 3.43 0.13 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 1.65 0.10 6.26 0.08 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 0.65 0.19 0.17 0.69 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 38.71 24.33 278.55 6.07 0.00 0.00 0.00 0.00 01:50:02 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:02 ens3 80.10 58.20 49.84 12.82 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.95 12.84 53.48 3.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1917) 08/04/26 _x86_64_ (2 CPU) 00:39:49 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.72 0.00 0.35 0.11 0.02 98.81 00:50:02 0 0.74 0.00 0.41 0.13 0.02 98.70 00:50:02 1 0.70 0.00 0.29 0.08 0.02 98.91 01:00:02 all 0.39 0.00 0.20 0.02 0.02 99.37 01:00:02 0 0.28 0.00 0.19 0.01 0.02 99.50 01:00:02 1 0.51 0.00 0.20 0.03 0.02 99.25 01:10:01 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:01 0 0.36 0.00 0.08 0.01 0.01 99.54 01:10:01 1 0.20 0.00 0.09 0.01 0.02 99.69 01:20:00 all 0.29 0.00 0.07 0.01 0.02 99.62 01:20:00 0 0.32 0.00 0.06 0.00 0.01 99.61 01:20:00 1 0.26 0.00 0.08 0.02 0.02 99.63 01:30:01 all 0.25 0.00 0.17 0.01 0.02 99.56 01:30:01 0 0.20 0.00 0.17 0.00 0.02 99.61 01:30:01 1 0.30 0.00 0.16 0.01 0.01 99.51 01:40:01 all 6.36 0.00 0.91 0.31 0.03 92.39 01:40:01 0 3.86 0.00 0.70 0.12 0.02 95.31 01:40:01 1 8.86 0.00 1.13 0.51 0.04 89.46 01:50:02 all 9.52 0.00 1.28 0.18 0.04 88.98 01:50:02 0 9.17 0.00 1.22 0.19 0.04 89.37 01:50:02 1 9.86 0.00 1.34 0.16 0.05 88.60 Average: all 2.54 0.00 0.44 0.09 0.02 96.91 Average: 0 2.13 0.00 0.40 0.07 0.02 97.38 Average: 1 2.95 0.00 0.47 0.12 0.02 96.44