---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11559 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 766 5191 4 2272 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:ad:b8:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80894sec preferred_lft 80894sec inet6 fe80::f816:3eff:fead:b803/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11559) 05/07/26 _x86_64_ (2 CPU) 00:35:48 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:03 1.21 0.03 1.18 0.00 1.26 14.94 0.12 01:00:10 13.98 0.03 1.55 12.39 2.32 18.69 108283.30 01:10:10 1.83 0.26 1.55 0.02 32.03 73.92 0.71 01:20:10 1.26 0.00 1.24 0.01 0.01 14.64 0.97 01:30:10 1.40 0.00 1.38 0.03 0.00 16.96 436.89 01:40:03 1.54 0.25 1.27 0.02 8.79 32.20 1.09 01:50:10 22.90 2.88 17.83 2.18 219.87 3148.30 903.81 02:00:10 1.69 0.00 1.67 0.02 0.35 71.15 0.25 Average: 5.78 0.44 3.49 1.86 33.41 428.66 13872.17 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 6286720 7534068 286044 3.52 30580 1422656 531592 5.79 449332 1183232 200 01:00:10 6273464 7522056 297880 3.66 30776 1423672 531668 5.79 450176 1183856 164 01:10:10 6228984 7504544 314948 3.87 31144 1449920 531812 5.79 459372 1201384 192 01:20:10 6228732 7504832 314664 3.87 31336 1450248 532004 5.79 459824 1201916 128 01:30:10 6233928 7510716 308784 3.80 31552 1450712 532068 5.80 460160 1202456 252 01:40:03 6232576 7517684 301704 3.71 31788 1458704 537768 5.86 467448 1209860 256 01:50:10 5278324 7404464 366612 4.51 85796 2204452 657964 7.17 599616 1965000 372 02:00:10 5259476 7400976 369944 4.55 85940 2219664 661484 7.20 602980 1980236 152 Average: 6002776 7487418 320072 3.94 44864 1635004 564545 6.15 493614 1390992 214 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 1.01 0.08 0.15 0.06 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.49 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:10:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 0.70 0.23 3.17 0.05 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 0.42 0.10 0.11 0.06 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.39 0.21 0.08 0.52 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 4.52 1.87 10.17 0.72 0.00 0.00 0.00 0.00 01:50:10 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:10 ens3 73.95 55.67 292.39 12.14 0.00 0.00 0.00 0.00 02:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 46.03 41.09 10.37 5.64 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 16.04 12.50 40.00 2.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11559) 05/07/26 _x86_64_ (2 CPU) 00:35:48 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 0.28 0.00 0.08 0.03 0.02 99.58 00:50:03 0 0.08 0.00 0.09 0.05 0.03 99.76 00:50:03 1 0.49 0.00 0.08 0.01 0.02 99.40 01:00:10 all 0.34 0.00 0.17 0.07 0.03 99.40 01:00:10 0 0.09 0.00 0.22 0.12 0.03 99.53 01:00:10 1 0.58 0.00 0.13 0.01 0.02 99.26 01:10:10 all 0.37 0.00 0.10 0.05 0.03 99.46 01:10:10 0 0.41 0.00 0.11 0.09 0.02 99.38 01:10:10 1 0.32 0.00 0.09 0.01 0.03 99.55 01:20:10 all 0.23 0.00 0.07 0.03 0.03 99.64 01:20:10 0 0.40 0.00 0.05 0.05 0.02 99.48 01:20:10 1 0.06 0.00 0.09 0.01 0.03 99.81 01:30:10 all 0.26 0.00 0.16 0.03 0.02 99.52 01:30:10 0 0.12 0.00 0.17 0.06 0.03 99.61 01:30:10 1 0.40 0.00 0.14 0.01 0.02 99.43 01:40:03 all 0.34 0.00 0.07 0.02 0.03 99.53 01:40:03 0 0.13 0.00 0.09 0.03 0.03 99.72 01:40:03 1 0.56 0.00 0.05 0.02 0.02 99.35 01:50:10 all 13.40 0.00 1.83 1.50 0.07 83.21 01:50:10 0 14.32 0.00 2.01 1.08 0.07 82.53 01:50:10 1 12.47 0.00 1.64 1.92 0.06 83.90 02:00:10 all 6.00 0.00 0.62 0.16 0.06 93.16 02:00:10 0 5.62 0.00 0.57 0.11 0.06 93.64 02:00:10 1 6.37 0.00 0.67 0.21 0.07 92.68 Average: all 2.66 0.00 0.39 0.24 0.04 96.68 Average: 0 2.66 0.00 0.42 0.20 0.04 96.69 Average: 1 2.67 0.00 0.36 0.28 0.04 96.66