---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22167 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 762 5209 4 2258 7179 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:3d:17:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78880sec preferred_lft 78880sec inet6 fe80::f816:3eff:fe3d:17ea/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-22167) 03/24/26 _x86_64_ (2 CPU) 00:40:01 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.56 0.01 1.53 0.02 0.05 18.43 654.38 01:10:03 13.96 0.00 1.41 12.55 0.15 16.59 109180.81 01:20:03 1.39 0.00 1.37 0.02 0.01 16.23 1.09 01:30:03 2.25 0.32 1.89 0.05 40.07 76.63 872.36 01:40:03 1.39 0.00 1.37 0.02 0.00 16.17 1.20 01:50:03 22.54 3.02 17.28 2.24 227.76 3082.14 614.04 02:00:03 1.71 0.01 1.68 0.02 0.77 39.87 0.40 02:10:03 1.36 0.00 1.36 0.00 0.00 21.76 0.05 02:20:03 1.39 0.00 1.38 0.00 0.00 131.65 395.97 02:30:03 1.66 0.00 1.64 0.02 0.00 34.31 0.37 02:40:03 1.33 0.00 1.33 0.00 0.00 24.69 0.00 Average: 4.59 0.31 2.93 1.36 24.44 316.22 10156.41 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6284636 7531432 288904 3.55 30700 1422016 527372 5.74 437124 1183480 240 01:10:03 6284636 7532004 288292 3.54 30900 1422348 527524 5.75 438160 1184020 184 01:20:03 6284412 7532340 287844 3.54 31116 1422716 527524 5.75 438436 1184568 240 01:30:03 6249512 7526448 293148 3.60 31540 1450864 527704 5.75 450256 1201796 204 01:40:03 6249512 7527096 292508 3.60 31732 1451320 527736 5.75 450476 1202316 268 01:50:03 5332376 7439116 332312 4.09 85028 2186024 582492 6.34 566248 1944764 2432 02:00:03 5224368 7334196 437344 5.38 85180 2189052 681920 7.43 631508 1947944 368 02:10:03 5238944 7350764 420744 5.17 85348 2190916 684184 7.45 633824 1949944 256 02:20:03 5145220 7292152 479360 5.89 85500 2225808 729844 7.95 673344 1985020 428 02:30:03 5195436 7346932 424484 5.22 85656 2230152 683816 7.45 627688 1989392 436 02:40:03 5195208 7349592 421800 5.19 85796 2232868 688416 7.50 631604 1992244 376 Average: 5698569 7432916 360613 4.43 60772 1856735 608048 6.62 543515 1615044 494 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.46 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.43 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.45 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.64 0.35 3.07 0.50 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 0.51 0.07 0.12 0.05 0.00 0.00 0.00 0.00 01:50:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:03 ens3 60.49 40.47 296.80 10.83 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 26.75 21.86 224.84 2.42 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 9.13 8.50 61.30 0.89 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 12.70 11.72 156.74 1.14 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 8.51 7.72 29.84 1.19 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 5.03 4.26 1.24 1.18 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.37 8.65 70.38 1.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22167) 03/24/26 _x86_64_ (2 CPU) 00:40:01 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.27 0.00 0.16 0.01 0.04 99.52 01:00:03 0 0.34 0.00 0.15 0.02 0.04 99.45 01:00:03 1 0.20 0.00 0.17 0.00 0.05 99.58 01:10:03 all 0.28 0.00 0.08 0.03 0.04 99.56 01:10:03 0 0.19 0.00 0.08 0.06 0.04 99.62 01:10:03 1 0.37 0.00 0.08 0.00 0.04 99.50 01:20:03 all 0.25 0.00 0.07 0.01 0.04 99.64 01:20:03 0 0.05 0.00 0.08 0.02 0.05 99.80 01:20:03 1 0.44 0.00 0.06 0.00 0.03 99.47 01:30:03 all 0.37 0.00 0.19 0.02 0.04 99.38 01:30:03 0 0.59 0.00 0.20 0.04 0.03 99.14 01:30:03 1 0.15 0.00 0.17 0.01 0.05 99.62 01:40:03 all 0.23 0.00 0.06 0.01 0.04 99.67 01:40:03 0 0.42 0.00 0.04 0.02 0.02 99.50 01:40:03 1 0.05 0.00 0.08 0.00 0.05 99.83 01:50:03 all 10.55 0.00 1.60 0.52 0.05 87.27 01:50:03 0 8.05 0.00 1.35 0.51 0.06 90.03 01:50:03 1 13.05 0.00 1.86 0.53 0.05 84.52 02:00:03 all 1.30 0.00 0.38 0.01 0.08 98.22 02:00:03 0 1.43 0.00 0.48 0.01 0.11 97.97 02:00:03 1 1.17 0.00 0.29 0.01 0.06 98.47 02:10:03 all 2.35 0.00 0.28 0.01 0.08 97.28 02:10:03 0 1.24 0.00 0.20 0.01 0.08 98.46 02:10:03 1 3.47 0.00 0.36 0.01 0.07 96.08 02:20:03 all 5.66 0.00 0.50 0.02 0.08 93.74 02:20:03 0 6.75 0.00 0.60 0.01 0.09 92.55 02:20:03 1 4.58 0.00 0.41 0.02 0.07 94.91 02:30:03 all 2.41 0.00 0.39 0.01 0.07 97.13 02:30:03 0 2.71 0.00 0.45 0.01 0.08 96.75 02:30:03 1 2.11 0.00 0.32 0.01 0.05 97.50 02:40:03 all 2.26 0.00 0.25 0.03 0.06 97.39 02:40:03 0 0.84 0.00 0.19 0.04 0.07 98.86 02:40:03 1 3.68 0.00 0.32 0.02 0.05 95.93 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.35 0.00 0.36 0.06 0.06 97.17 Average: 0 2.04 0.00 0.35 0.07 0.06 97.49 Average: 1 2.66 0.00 0.38 0.06 0.05 96.86