---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1877 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 757 5151 4 2329 7184 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:fe:56:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81318sec preferred_lft 81318sec inet6 fe80::f816:3eff:fefe:56b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1877) 04/11/26 _x86_64_ (2 CPU) 00:42:18 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 16.36 13.83 2.43 0.09 190.75 104.25 654.60 01:10:02 13.97 0.00 1.35 12.62 0.15 15.98 109185.21 01:20:01 1.36 0.00 1.35 0.01 0.01 15.97 0.48 01:30:05 1.63 0.00 1.61 0.02 0.00 19.49 0.25 01:40:06 1.76 0.40 1.36 0.00 15.82 47.68 0.00 01:50:01 22.10 2.67 17.20 2.23 214.32 3119.88 643.82 02:00:06 1.68 0.00 1.65 0.03 0.34 73.02 0.54 Average: 8.38 2.41 3.83 2.14 59.95 481.15 15757.39 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6184676 7516880 293944 3.61 34912 1494228 533812 5.81 458248 1248000 192 01:10:02 6184452 7517240 293564 3.61 35124 1494600 533844 5.81 458500 1248556 200 01:20:01 6192264 7525576 285224 3.51 35312 1494928 533908 5.82 460152 1249072 268 01:30:05 6187524 7521372 289412 3.56 35500 1495260 534120 5.82 460052 1249592 192 01:40:06 6142264 7491444 319104 3.92 35808 1510088 573124 6.24 499696 1263084 292 01:50:01 5213248 7385952 376708 4.63 88836 2239668 653444 7.12 607952 2001512 572 02:00:06 5203064 7391264 371232 4.56 88992 2254988 657504 7.16 611760 2016904 452 Average: 5901070 7478533 318455 3.92 50641 1711966 574251 6.25 508051 1468103 310 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 1.06 0.26 3.12 0.05 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 1.14 0.05 10.12 0.03 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 0.59 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 17.14 7.48 24.47 3.40 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.09 0.09 0.00 0.00 0.00 0.00 01:50:01 ens3 74.32 53.82 282.09 10.33 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 50.01 46.92 10.37 6.03 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.60 15.50 46.83 2.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1877) 04/11/26 _x86_64_ (2 CPU) 00:42:18 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.37 0.17 0.27 0.16 0.03 98.99 01:00:03 0 0.40 0.33 0.34 0.28 0.03 98.62 01:00:03 1 0.35 0.01 0.21 0.04 0.03 99.37 01:10:02 all 0.26 0.00 0.08 0.03 0.03 99.59 01:10:02 0 0.46 0.00 0.07 0.02 0.03 99.42 01:10:02 1 0.07 0.00 0.09 0.04 0.04 99.76 01:20:01 all 0.20 0.00 0.08 0.01 0.03 99.67 01:20:01 0 0.11 0.00 0.09 0.01 0.04 99.75 01:20:01 1 0.30 0.00 0.08 0.01 0.03 99.59 01:30:05 all 0.28 0.00 0.15 0.01 0.03 99.52 01:30:05 0 0.07 0.00 0.16 0.00 0.04 99.72 01:30:05 1 0.49 0.00 0.14 0.02 0.03 99.32 01:40:06 all 0.47 0.00 0.12 0.02 0.04 99.36 01:40:06 0 0.31 0.00 0.10 0.01 0.04 99.54 01:40:06 1 0.62 0.00 0.13 0.02 0.04 99.18 01:50:01 all 13.57 0.00 1.80 0.55 0.07 84.00 01:50:01 0 15.51 0.00 1.87 0.29 0.06 82.27 01:50:01 1 11.65 0.00 1.73 0.81 0.07 85.73 02:00:06 all 6.13 0.00 0.65 0.02 0.07 93.14 02:00:06 0 7.34 0.00 0.71 0.01 0.07 91.87 02:00:06 1 4.93 0.00 0.59 0.02 0.07 94.40 Average: all 3.02 0.02 0.45 0.11 0.04 96.35 Average: 0 3.42 0.05 0.47 0.09 0.04 95.92 Average: 1 2.61 0.00 0.42 0.13 0.04 96.79