---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8363 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 758 5234 4 2246 7183 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:7f:af:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81290sec preferred_lft 81290sec inet6 fe80::f816:3eff:fe7f:af61/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8363) 04/27/26 _x86_64_ (2 CPU) 01:47:36 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:12 15.74 13.57 2.11 0.06 152.37 46.37 6.76 02:10:01 1.42 0.01 1.40 0.01 0.04 16.65 0.86 02:20:12 1.43 0.00 1.41 0.01 0.01 16.53 1.06 02:30:12 14.19 0.00 1.60 12.58 0.15 19.48 109170.85 02:40:01 1.32 0.00 1.32 0.00 0.00 15.75 0.00 02:50:12 2.39 0.73 1.64 0.02 55.05 141.38 0.26 03:00:12 23.05 2.60 18.23 2.22 211.77 3062.87 569.33 03:10:01 1.31 0.00 1.31 0.01 0.00 21.85 0.08 Average: 7.62 2.12 3.63 1.87 52.65 418.71 13747.72 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:12 6228964 7531992 279348 3.43 34568 1465792 527464 5.75 444056 1230840 240 02:10:01 6228716 7532284 279036 3.43 34768 1466124 527464 5.75 444012 1231372 124 02:20:12 6234476 7538580 272732 3.35 34976 1466448 527620 5.75 444060 1231904 132 02:30:12 6231064 7535748 275544 3.39 35148 1466828 527620 5.75 444252 1232428 184 02:40:01 6238412 7543612 267680 3.29 35320 1467168 527748 5.75 445104 1232940 312 02:50:12 6102684 7472784 335792 4.13 37768 1527660 766036 8.34 500428 1282940 7056 03:00:12 5199928 7370700 391832 4.82 88776 2237700 633448 6.90 596592 1999868 292 03:10:01 5174584 7347324 415220 5.11 88880 2239572 656328 7.15 611244 2001844 276 Average: 5954854 7484128 314648 3.87 48776 1667162 586716 6.39 491218 1430517 1077 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.76 0.06 0.10 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.44 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.64 0.04 2.32 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.50 0.04 0.97 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.47 0.13 0.16 0.09 0.00 0.00 0.00 0.00 02:50:12 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 16.46 8.45 47.05 3.42 0.00 0.00 0.00 0.00 03:00:12 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:12 ens3 55.85 39.12 268.00 8.61 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 12.42 10.93 109.07 1.01 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 10.97 7.36 53.46 1.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8363) 04/27/26 _x86_64_ (2 CPU) 01:47:36 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:12 all 0.33 0.19 0.25 0.15 0.02 99.06 02:00:12 0 0.26 0.33 0.29 0.26 0.02 98.83 02:00:12 1 0.40 0.04 0.21 0.04 0.02 99.29 02:10:01 all 0.26 0.00 0.08 0.01 0.02 99.63 02:10:01 0 0.47 0.00 0.07 0.01 0.02 99.44 02:10:01 1 0.06 0.00 0.09 0.01 0.02 99.82 02:20:12 all 0.27 0.00 0.08 0.02 0.02 99.62 02:20:12 0 0.36 0.00 0.07 0.00 0.01 99.55 02:20:12 1 0.17 0.00 0.09 0.03 0.02 99.69 02:30:12 all 0.30 0.00 0.19 0.02 0.02 99.47 02:30:12 0 0.51 0.00 0.16 0.03 0.01 99.29 02:30:12 1 0.10 0.00 0.22 0.02 0.02 99.65 02:40:01 all 0.30 0.00 0.09 0.01 0.02 99.58 02:40:01 0 0.53 0.00 0.07 0.01 0.02 99.37 02:40:01 1 0.08 0.00 0.10 0.01 0.02 99.80 02:50:12 all 0.81 0.00 0.18 0.03 0.02 98.96 02:50:12 0 0.84 0.00 0.17 0.03 0.02 98.94 02:50:12 1 0.77 0.00 0.20 0.03 0.02 98.98 03:00:12 all 10.65 0.00 1.75 0.50 0.06 87.03 03:00:12 0 9.32 0.00 1.59 0.34 0.07 88.68 03:00:12 1 11.98 0.00 1.91 0.67 0.06 85.39 03:10:01 all 0.90 0.00 0.21 0.01 0.07 98.81 03:10:01 0 1.18 0.00 0.27 0.00 0.06 98.48 03:10:01 1 0.62 0.00 0.15 0.01 0.08 99.14 Average: all 1.73 0.02 0.35 0.09 0.03 97.77 Average: 0 1.68 0.04 0.34 0.08 0.03 97.82 Average: 1 1.78 0.01 0.37 0.10 0.03 97.71