---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23546 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 749 5223 4 2260 7192 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:33:a9:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81543sec preferred_lft 81543sec inet6 fe80::f816:3eff:fe33:a9c3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23546) 06/04/26 _x86_64_ (2 CPU) 00:42:37 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:11 1.59 0.01 1.56 0.03 0.05 19.10 643.38 01:10:01 1.82 0.26 1.54 0.03 31.52 74.77 1.29 01:20:01 1.37 0.01 1.36 0.01 1.07 15.90 0.53 01:30:01 1.55 0.00 1.53 0.02 0.00 18.80 653.10 01:40:00 1.31 0.00 1.31 0.00 0.00 15.90 0.00 01:50:00 23.04 3.01 17.74 2.28 228.04 3420.11 754.54 02:00:01 1.63 0.01 1.58 0.03 0.60 26.06 0.60 Average: 4.62 0.47 3.80 0.34 37.26 513.00 295.06 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:11 6289744 7536444 283988 3.49 30704 1421852 530816 5.78 447688 1183464 168 01:10:01 6237772 7511204 308744 3.80 31084 1447856 725848 7.91 462036 1201092 156 01:20:01 6243552 7517816 302160 3.72 31260 1448500 531344 5.79 457244 1201596 312 01:30:01 6246028 7520832 299128 3.68 31452 1448828 531352 5.79 457332 1202120 164 01:40:00 6246056 7521484 298460 3.67 31620 1449292 531368 5.79 457604 1202616 156 01:50:00 5194424 7387216 380448 4.68 86348 2267292 650564 7.09 597500 2029796 392 02:00:01 5150332 7345376 422164 5.19 86520 2269372 673352 7.33 612340 2031928 424 Average: 5943987 7477196 327870 4.03 46998 1678999 596378 6.50 498821 1436087 253 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.76 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.91 0.24 10.52 0.05 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 0.66 0.08 0.56 0.06 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 0.31 0.04 0.07 0.03 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 0.47 0.11 0.15 0.08 0.00 0.00 0.00 0.00 01:50:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:00 ens3 72.49 52.96 328.71 12.62 0.00 0.00 0.00 0.00 02:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.51 11.80 107.30 1.09 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.73 9.33 63.92 2.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23546) 06/04/26 _x86_64_ (2 CPU) 00:42:37 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:11 all 0.26 0.00 0.15 0.01 0.04 99.54 01:00:11 0 0.37 0.00 0.14 0.01 0.03 99.45 01:00:11 1 0.16 0.00 0.15 0.00 0.05 99.63 01:10:01 all 0.33 0.00 0.10 0.02 0.04 99.52 01:10:01 0 0.43 0.00 0.08 0.02 0.03 99.43 01:10:01 1 0.22 0.00 0.11 0.02 0.05 99.60 01:20:01 all 0.26 0.00 0.07 0.01 0.04 99.61 01:20:01 0 0.05 0.00 0.07 0.01 0.04 99.82 01:20:01 1 0.48 0.00 0.07 0.01 0.04 99.40 01:30:01 all 0.25 0.00 0.16 0.01 0.04 99.53 01:30:01 0 0.29 0.00 0.17 0.01 0.04 99.49 01:30:01 1 0.21 0.00 0.16 0.01 0.05 99.57 01:40:00 all 0.25 0.00 0.07 0.01 0.04 99.63 01:40:00 0 0.44 0.00 0.04 0.01 0.02 99.49 01:40:00 1 0.06 0.00 0.10 0.01 0.06 99.77 01:50:00 all 11.74 0.00 1.73 0.52 0.07 85.95 01:50:00 0 10.71 0.00 1.58 0.43 0.06 87.23 01:50:00 1 12.77 0.00 1.89 0.60 0.07 84.67 02:00:01 all 0.86 0.00 0.29 0.01 0.07 98.77 02:00:01 0 0.85 0.00 0.27 0.02 0.06 98.80 02:00:01 1 0.88 0.00 0.31 0.01 0.07 98.73 Average: all 1.99 0.00 0.37 0.08 0.05 97.51 Average: 0 1.87 0.00 0.34 0.07 0.04 97.68 Average: 1 2.11 0.00 0.40 0.09 0.06 97.34