---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15853 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 22% / 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 822 5081 4 2327 7119 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:be:d7:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 77133sec preferred_lft 77133sec inet6 fe80::f816:3eff:febe:d7b6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15853) 05/17/26 _x86_64_ (2 CPU) 00:00:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.54 0.02 1.46 0.06 0.99 31.57 3.94 00:20:20 1.65 0.11 1.47 0.08 3.37 35.53 10.08 00:30:19 1.51 0.00 1.44 0.07 0.00 34.41 3.88 00:40:01 1.96 0.26 1.63 0.07 32.97 86.63 3.97 00:50:09 1.25 0.00 1.24 0.01 0.00 24.91 0.42 01:00:20 14.81 0.00 1.58 13.23 0.14 21.06 104755.07 01:10:01 1.29 0.00 1.29 0.00 0.00 22.95 0.00 01:20:22 1.39 0.00 1.39 0.00 0.00 27.75 0.00 01:30:22 1.57 0.00 1.56 0.02 0.00 29.29 0.24 01:40:01 1.21 0.00 1.21 0.00 0.00 26.45 0.00 01:50:09 1.58 0.00 1.57 0.01 0.00 31.04 0.08 02:00:21 1.52 0.00 1.50 0.02 0.00 28.01 0.24 Average: 2.63 0.03 1.45 1.15 3.05 33.18 8888.83 00:00:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 5276948 7395132 376808 4.63 85048 2197360 654048 7.12 599148 1966340 184 00:20:20 5250096 7373480 398240 4.90 85412 2202140 653208 7.11 599100 1971268 248 00:30:19 5270484 7398972 372728 4.58 85600 2207056 653376 7.12 599516 1976232 204 00:40:01 5216860 7375028 396368 4.87 85972 2236012 653472 7.12 608776 1996504 232 00:50:09 5216388 7377812 393536 4.84 86132 2239064 653488 7.12 608816 1999716 204 01:00:20 5219804 7382360 388660 4.78 86316 2239952 653536 7.12 608864 2000760 224 01:10:01 5219804 7384808 386172 4.75 86476 2242208 661828 7.21 609096 2003176 308 01:20:22 5219088 7388004 382912 4.71 86648 2245908 653756 7.12 609464 2006912 144 01:30:22 5212304 7384488 386380 4.75 86768 2249008 662028 7.21 609376 2010132 220 01:40:01 5209532 7385392 385420 4.74 86900 2252496 653944 7.12 609656 2013760 420 01:50:09 5202728 7382364 388352 4.78 87080 2256044 653912 7.12 609472 2017480 196 02:00:21 5199708 7382644 388020 4.77 87228 2259144 653912 7.12 609600 2020608 420 Average: 5226145 7384207 386966 4.76 86298 2235533 655042 7.13 606740 1998574 250 00:00:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 6.42 5.29 1.62 1.02 0.00 0.00 0.00 0.00 00:20:20 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:20 ens3 17.12 11.98 3.42 2.18 0.00 0.00 0.00 0.00 00:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:19 ens3 3.92 3.05 0.62 0.40 0.00 0.00 0.00 0.00 00:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 7.16 4.94 4.56 0.72 0.00 0.00 0.00 0.00 00:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:09 ens3 9.43 7.58 2.04 1.22 0.00 0.00 0.00 0.00 01:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:20 ens3 2.55 2.21 0.42 0.23 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 7.20 6.23 1.59 0.95 0.00 0.00 0.00 0.00 01:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:22 ens3 7.50 6.35 1.79 1.09 0.00 0.00 0.00 0.00 01:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:22 ens3 4.97 4.42 1.19 0.72 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 8.76 5.17 1.95 1.03 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 9.62 7.49 2.21 1.35 0.00 0.00 0.00 0.00 02:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:21 ens3 5.86 4.91 1.37 0.86 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.56 5.82 1.90 0.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15853) 05/17/26 _x86_64_ (2 CPU) 00:00:22 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 2.69 0.00 0.35 0.01 0.07 96.88 00:10:01 0 3.64 0.00 0.42 0.02 0.07 95.85 00:10:01 1 1.73 0.00 0.28 0.01 0.07 97.91 00:20:20 all 4.06 0.00 0.65 0.01 0.07 95.21 00:20:20 0 3.49 0.00 0.59 0.01 0.06 95.85 00:20:20 1 4.64 0.00 0.70 0.01 0.08 94.57 00:30:19 all 1.84 0.00 0.36 0.01 0.06 97.74 00:30:19 0 1.23 0.00 0.25 0.02 0.05 98.46 00:30:19 1 2.45 0.00 0.47 0.01 0.07 97.01 00:40:01 all 1.59 0.00 0.24 0.02 0.06 98.09 00:40:01 0 2.09 0.00 0.31 0.02 0.07 97.51 00:40:01 1 1.09 0.00 0.18 0.02 0.05 98.66 00:50:09 all 2.71 0.00 0.31 0.01 0.06 96.91 00:50:09 0 3.33 0.00 0.39 0.00 0.06 96.22 00:50:09 1 2.09 0.00 0.23 0.01 0.06 97.60 01:00:20 all 0.50 0.00 0.20 0.03 0.04 99.24 01:00:20 0 0.55 0.00 0.18 0.02 0.03 99.22 01:00:20 1 0.45 0.00 0.22 0.03 0.04 99.26 01:10:01 all 2.18 0.00 0.28 0.01 0.06 97.48 01:10:01 0 2.45 0.00 0.30 0.01 0.06 97.19 01:10:01 1 1.91 0.00 0.26 0.01 0.05 97.77 01:20:22 all 2.58 0.00 0.27 0.01 0.07 97.07 01:20:22 0 4.03 0.00 0.41 0.01 0.09 95.46 01:20:22 1 1.12 0.00 0.13 0.01 0.05 98.68 01:30:22 all 1.83 0.00 0.33 0.01 0.07 97.76 01:30:22 0 1.82 0.00 0.30 0.01 0.06 97.80 01:30:22 1 1.83 0.00 0.36 0.01 0.08 97.72 01:40:01 all 2.32 0.00 0.27 0.01 0.07 97.33 01:40:01 0 1.56 0.00 0.21 0.01 0.06 98.15 01:40:01 1 3.09 0.00 0.33 0.01 0.07 96.50 01:50:09 all 3.40 0.00 0.39 0.01 0.06 96.15 01:50:09 0 3.32 0.00 0.37 0.01 0.05 96.25 01:50:09 1 3.48 0.00 0.40 0.01 0.06 96.05 01:50:09 CPU %user %nice %system %iowait %steal %idle 02:00:21 all 2.22 0.00 0.37 0.02 0.04 97.35 02:00:21 0 1.85 0.00 0.31 0.03 0.03 97.77 02:00:21 1 2.59 0.00 0.42 0.01 0.06 96.92 Average: all 2.33 0.00 0.34 0.01 0.06 97.26 Average: 0 2.45 0.00 0.34 0.01 0.06 97.14 Average: 1 2.21 0.00 0.33 0.01 0.06 97.38