---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66317 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 755 5205 4 2270 7186 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:79:71:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80975sec preferred_lft 80975sec inet6 fe80::f816:3eff:fe79:7172/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66317) 04/04/26 _x86_64_ (2 CPU) 00:41:45 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.55 0.01 1.51 0.02 1.11 18.97 875.39 01:10:04 1.19 0.00 1.18 0.02 0.00 14.37 0.98 01:20:04 1.20 0.00 1.18 0.02 0.01 14.29 1.09 01:30:01 1.52 0.00 1.48 0.04 0.00 19.80 657.30 01:40:04 1.30 0.02 1.25 0.02 2.14 15.64 1.13 01:50:04 22.38 3.01 17.14 2.23 226.22 3086.82 1253.61 02:00:01 15.26 0.01 1.74 13.51 0.63 73.64 107320.95 02:10:04 1.49 0.00 1.47 0.02 0.34 105.24 1.27 Average: 5.73 0.38 3.37 1.98 28.81 418.61 13695.41 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6233296 7513420 306400 3.77 30956 1454620 520548 5.67 464688 1204256 128 01:10:04 6232848 7513528 306292 3.77 31176 1454948 520680 5.67 464748 1204804 176 01:20:04 6232848 7514052 305764 3.76 31364 1455276 522384 5.69 461164 1205320 184 01:30:01 6233696 7515492 304328 3.74 31608 1455604 522384 5.69 461164 1205892 236 01:40:04 6235484 7518576 301236 3.70 31800 1456700 522484 5.69 462164 1206492 188 01:50:04 5341900 7454972 316680 3.89 85220 2192104 548248 5.97 551440 1950200 2396 02:00:01 5270972 7396820 374740 4.61 85384 2204828 643300 7.01 603904 1963004 772 02:10:04 5233408 7386092 385212 4.74 85592 2231356 695276 7.57 614088 1989672 1136 Average: 5876806 7476619 325082 4.00 51638 1738180 561913 6.12 510420 1491205 652 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.65 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.61 0.05 2.45 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 0.55 0.09 0.30 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 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.46 0.18 0.13 0.62 0.00 0.00 0.00 0.00 01:50:04 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:04 ens3 61.89 42.43 297.80 10.98 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 38.75 32.19 8.43 4.15 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 42.63 42.02 9.94 6.12 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 18.23 14.64 39.90 2.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66317) 04/04/26 _x86_64_ (2 CPU) 00:41:45 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.17 0.01 0.03 99.48 01:00:01 0 0.47 0.00 0.14 0.01 0.02 99.35 01:00:01 1 0.12 0.00 0.21 0.01 0.05 99.61 01:10:04 all 0.22 0.00 0.07 0.01 0.03 99.66 01:10:04 0 0.04 0.00 0.08 0.01 0.04 99.82 01:10:04 1 0.40 0.00 0.06 0.02 0.03 99.49 01:20:04 all 0.27 0.00 0.07 0.01 0.03 99.62 01:20:04 0 0.07 0.00 0.08 0.00 0.04 99.81 01:20:04 1 0.47 0.00 0.06 0.02 0.03 99.42 01:30:01 all 0.29 0.00 0.17 0.01 0.04 99.50 01:30:01 0 0.40 0.00 0.16 0.00 0.04 99.40 01:30:01 1 0.18 0.00 0.17 0.02 0.04 99.59 01:40:04 all 0.22 0.00 0.09 0.01 0.03 99.65 01:40:04 0 0.11 0.00 0.09 0.01 0.04 99.76 01:40:04 1 0.34 0.00 0.08 0.01 0.03 99.54 01:50:04 all 10.60 0.00 1.62 0.60 0.05 87.13 01:50:04 0 5.00 0.00 1.22 0.41 0.06 93.31 01:50:04 1 16.19 0.00 2.02 0.79 0.05 80.95 02:00:01 all 6.07 0.00 0.59 0.04 0.08 93.23 02:00:01 0 7.74 0.00 0.67 0.02 0.08 91.49 02:00:01 1 4.41 0.00 0.50 0.06 0.08 94.95 02:10:04 all 8.28 0.00 0.53 0.01 0.09 91.09 02:10:04 0 8.74 0.00 0.51 0.01 0.09 90.66 02:10:04 1 7.82 0.00 0.56 0.02 0.09 91.52 Average: all 3.27 0.00 0.41 0.09 0.05 96.18 Average: 0 2.81 0.00 0.37 0.06 0.05 96.72 Average: 1 3.74 0.00 0.46 0.12 0.05 95.64