---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25749 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 772 5190 4 2271 7169 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:e4:6e:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81173sec preferred_lft 81173sec inet6 fe80::f816:3eff:fee4:6e9b/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-25749) 06/08/26 _x86_64_ (2 CPU) 01:56:51 LINUX RESTART (2 CPU) 02:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:20 1.24 0.03 1.21 0.00 1.24 14.64 0.12 02:20:19 13.95 0.01 1.36 12.58 0.21 16.40 109444.35 02:30:20 1.43 0.02 1.38 0.02 2.14 17.09 436.00 02:40:20 1.16 0.00 1.15 0.02 0.00 14.33 1.20 02:50:09 1.16 0.00 1.14 0.02 0.00 14.41 1.35 03:00:20 1.99 0.25 1.70 0.03 30.40 75.68 428.69 03:10:20 23.27 2.99 18.00 2.27 226.05 3469.63 575.27 03:20:20 1.35 0.00 1.34 0.00 0.00 20.88 0.05 Average: 5.69 0.41 3.41 1.87 32.58 455.53 13829.87 02:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:20 6293000 7539732 280688 3.45 30572 1421880 531784 5.79 439532 1183332 208 02:20:19 6292760 7540104 280300 3.45 30788 1422256 531944 5.79 439608 1183904 132 02:30:20 6302444 7550980 269368 3.31 30984 1423224 531968 5.79 440544 1184508 136 02:40:20 6299700 7548780 271552 3.34 31200 1423548 532036 5.79 441076 1185048 196 02:50:09 6307512 7557124 263200 3.24 31392 1423880 532036 5.79 441128 1185572 132 03:00:20 6268044 7544612 275084 3.38 31808 1450036 727488 7.92 456076 1203252 180 03:10:20 5143544 7346700 420180 5.17 87092 2276232 860700 9.37 630088 2039608 312 03:20:20 5110012 7315188 451700 5.55 87212 2278128 883536 9.62 644824 2041628 468 Average: 6002127 7492902 314009 3.86 45131 1639898 641436 6.99 491610 1400856 220 02:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:20 ens3 1.03 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.42 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.32 0.06 0.06 0.02 0.00 0.00 0.00 0.00 02:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:20 ens3 0.49 0.08 0.13 0.06 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 0.30 0.06 0.08 0.04 0.00 0.00 0.00 0.00 03:00:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:20 ens3 0.80 0.43 3.19 0.50 0.00 0.00 0.00 0.00 03:10:20 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:20 ens3 69.27 49.18 329.72 11.85 0.00 0.00 0.00 0.00 03:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:20 ens3 13.64 12.22 107.37 1.09 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 10.79 7.76 55.09 1.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25749) 06/08/26 _x86_64_ (2 CPU) 01:56:51 LINUX RESTART (2 CPU) 02:00:20 CPU %user %nice %system %iowait %steal %idle 02:10:20 all 0.27 0.00 0.08 0.01 0.03 99.61 02:10:20 0 0.38 0.00 0.08 0.01 0.02 99.51 02:10:20 1 0.16 0.00 0.08 0.02 0.03 99.71 02:20:19 all 0.26 0.00 0.09 0.03 0.03 99.59 02:20:19 0 0.39 0.00 0.08 0.05 0.02 99.46 02:20:19 1 0.13 0.00 0.09 0.02 0.03 99.73 02:30:20 all 0.30 0.00 0.16 0.02 0.03 99.50 02:30:20 0 0.20 0.00 0.17 0.03 0.03 99.57 02:30:20 1 0.40 0.00 0.15 0.00 0.02 99.42 02:40:20 all 0.26 0.00 0.07 0.04 0.03 99.60 02:40:20 0 0.37 0.00 0.06 0.03 0.03 99.51 02:40:20 1 0.16 0.00 0.09 0.05 0.03 99.68 02:50:09 all 0.27 0.00 0.07 0.01 0.03 99.62 02:50:09 0 0.48 0.00 0.04 0.01 0.02 99.45 02:50:09 1 0.06 0.00 0.09 0.02 0.03 99.80 03:00:20 all 0.47 0.00 0.18 0.03 0.03 99.30 03:00:20 0 0.33 0.00 0.18 0.03 0.03 99.43 03:00:20 1 0.60 0.00 0.18 0.03 0.02 99.17 03:10:20 all 11.97 0.00 1.79 0.99 0.07 85.19 03:10:20 0 10.63 0.00 1.68 1.07 0.07 86.55 03:10:20 1 13.30 0.00 1.89 0.92 0.06 83.83 03:20:20 all 0.89 0.00 0.20 0.04 0.06 98.81 03:20:20 0 1.01 0.00 0.25 0.07 0.07 98.60 03:20:20 1 0.77 0.00 0.15 0.01 0.04 99.03 Average: all 1.83 0.00 0.33 0.15 0.04 97.66 Average: 0 1.72 0.00 0.32 0.16 0.04 97.76 Average: 1 1.95 0.00 0.34 0.13 0.03 97.55