---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16148 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 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 764 5278 4 2187 7177 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:9b:95:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82180sec preferred_lft 82180sec inet6 fe80::f816:3eff:fe9b:95e3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16148) 05/18/26 _x86_64_ (2 CPU) 01:57:46 LINUX RESTART (2 CPU) 02:00:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.26 0.03 1.23 0.00 1.31 15.41 0.13 02:20:32 1.23 0.01 1.22 0.00 0.06 15.25 0.11 02:30:04 15.04 0.27 1.59 13.18 33.72 77.88 115068.80 02:40:01 1.15 0.00 1.13 0.02 0.00 14.54 1.26 02:50:24 1.24 0.02 1.20 0.02 2.07 15.54 1.21 03:00:30 4.83 1.35 3.35 0.13 97.51 323.78 867.49 Average: 4.03 0.28 1.62 2.13 22.38 77.17 18464.73 02:00:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6303880 7550272 270296 3.32 30564 1421516 528488 5.76 443264 1183156 124 02:20:32 6309956 7556868 263720 3.24 30756 1421840 528484 5.76 443352 1183672 128 02:30:04 6242232 7516048 303744 3.73 31120 1447992 528668 5.76 452404 1201280 188 02:40:01 6249112 7523656 296156 3.64 31328 1448512 528808 5.76 452692 1201812 184 02:50:24 6262788 7538672 281160 3.46 31556 1449612 528752 5.76 454640 1202452 180 03:00:30 5899920 7395064 413492 5.08 47128 1643772 664844 7.24 612204 1399276 115344 Average: 6211315 7513430 304761 3.75 33742 1472207 551341 6.01 476426 1228608 19358 02:00:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.88 0.05 0.08 0.02 0.00 0.00 0.00 0.00 02:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:32 ens3 0.38 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.54 0.23 3.46 0.03 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 0.60 0.05 1.14 0.03 0.00 0.00 0.00 0.00 02:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:24 ens3 0.27 0.07 0.08 0.03 0.00 0.00 0.00 0.00 03:00:30 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 03:00:30 ens3 22.42 14.23 129.26 4.94 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 4.22 2.47 22.56 0.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16148) 05/18/26 _x86_64_ (2 CPU) 01:57:46 LINUX RESTART (2 CPU) 02:00:34 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.27 0.00 0.09 0.01 0.04 99.60 02:10:01 0 0.08 0.00 0.11 0.01 0.05 99.76 02:10:01 1 0.46 0.00 0.07 0.01 0.02 99.44 02:20:32 all 0.29 0.00 0.07 0.07 0.03 99.55 02:20:32 0 0.26 0.00 0.07 0.12 0.03 99.52 02:20:32 1 0.32 0.00 0.07 0.01 0.03 99.57 02:30:04 all 0.40 0.00 0.19 0.05 0.02 99.34 02:30:04 0 0.67 0.00 0.15 0.02 0.01 99.14 02:30:04 1 0.13 0.00 0.23 0.07 0.03 99.54 02:40:01 all 0.26 0.00 0.07 0.01 0.02 99.63 02:40:01 0 0.11 0.00 0.09 0.01 0.02 99.77 02:40:01 1 0.41 0.00 0.06 0.01 0.02 99.50 02:50:24 all 0.31 0.00 0.09 0.02 0.02 99.55 02:50:24 0 0.16 0.00 0.11 0.01 0.03 99.69 02:50:24 1 0.47 0.00 0.07 0.03 0.02 99.41 03:00:30 all 2.18 0.00 0.44 0.14 0.03 97.20 03:00:30 0 2.10 0.00 0.47 0.15 0.04 97.25 03:00:30 1 2.27 0.00 0.42 0.14 0.02 97.15 Average: all 0.62 0.00 0.16 0.05 0.03 99.14 Average: 0 0.56 0.00 0.17 0.05 0.03 99.19 Average: 1 0.68 0.00 0.15 0.04 0.02 99.10