---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33085 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: 5600.00 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 8.1G 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 771 4957 4 2514 7170 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:eb:16:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81684sec preferred_lft 81684sec inet6 fe80::f816:3eff:feeb:165c/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-33085) 07/05/26 _x86_64_ (2 CPU) 01:47:33 LINUX RESTART (2 CPU) 01:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.67 0.03 1.63 0.02 1.24 19.85 653.92 02:10:01 1.36 0.01 1.34 0.01 0.05 15.95 0.97 02:20:19 1.90 0.25 1.64 0.02 30.06 74.62 1.00 02:30:09 1.55 0.00 1.53 0.02 0.00 18.64 664.80 02:40:01 13.96 0.00 1.24 12.71 0.15 15.63 110562.26 02:50:09 1.22 0.00 1.22 0.00 0.00 15.27 0.01 03:00:09 39.75 16.53 20.84 2.37 378.29 3665.26 676.19 Average: 8.75 2.40 4.21 2.14 58.67 546.72 15873.17 01:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6303772 7550536 269860 3.32 30580 1421876 521068 5.68 446460 1183352 172 02:10:01 6309936 7557244 263212 3.24 30780 1422208 521068 5.68 446624 1183892 156 02:20:19 6240972 7515432 304556 3.74 31160 1448628 728272 7.93 460960 1201928 132 02:30:09 6253180 7528200 291624 3.59 31348 1448960 728452 7.93 461012 1202444 244 02:40:01 6255916 7531472 288164 3.54 31492 1449332 728520 7.94 461600 1202936 128 02:50:09 6255664 7531868 287784 3.54 31676 1449788 728520 7.94 462044 1203448 172 03:00:09 5047632 7357656 399740 4.92 90196 2371424 873356 9.51 632996 2137432 1504 Average: 6095296 7510344 300706 3.70 39605 1573174 689894 7.51 481671 1330776 358 01:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 1.23 0.06 0.13 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.60 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:20:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 1.62 0.24 10.29 0.03 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.58 0.03 0.83 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.45 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.41 0.08 0.11 0.06 0.00 0.00 0.00 0.00 03:00:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:09 ens3 82.97 58.09 368.40 15.30 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 12.55 8.37 54.32 2.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33085) 07/05/26 _x86_64_ (2 CPU) 01:47:33 LINUX RESTART (2 CPU) 01:50:09 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.30 0.00 0.17 0.06 0.03 99.43 02:00:09 0 0.14 0.00 0.19 0.05 0.03 99.60 02:00:09 1 0.47 0.00 0.16 0.08 0.03 99.27 02:10:01 all 0.27 0.00 0.08 0.14 0.02 99.49 02:10:01 0 0.33 0.00 0.08 0.17 0.02 99.40 02:10:01 1 0.21 0.00 0.08 0.11 0.02 99.58 02:20:19 all 0.38 0.00 0.11 0.16 0.02 99.33 02:20:19 0 0.30 0.00 0.13 0.25 0.02 99.30 02:20:19 1 0.46 0.00 0.08 0.07 0.01 99.37 02:30:09 all 0.25 0.00 0.17 0.02 0.02 99.54 02:30:09 0 0.08 0.00 0.19 0.02 0.02 99.70 02:30:09 1 0.42 0.00 0.16 0.02 0.01 99.38 02:40:01 all 0.27 0.00 0.09 0.04 0.02 99.59 02:40:01 0 0.28 0.00 0.08 0.01 0.01 99.62 02:40:01 1 0.25 0.00 0.10 0.08 0.02 99.56 02:50:09 all 0.28 0.00 0.08 0.09 0.01 99.54 02:50:09 0 0.46 0.00 0.06 0.02 0.01 99.45 02:50:09 1 0.09 0.00 0.09 0.17 0.02 99.63 03:00:09 all 17.59 0.22 2.03 2.13 0.06 77.96 03:00:09 0 17.71 0.34 1.92 1.83 0.06 78.14 03:00:09 1 17.48 0.09 2.14 2.44 0.05 77.79 Average: all 2.76 0.03 0.39 0.38 0.02 96.42 Average: 0 2.75 0.05 0.38 0.33 0.02 96.46 Average: 1 2.76 0.01 0.40 0.42 0.02 96.37