---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38895 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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: 5599.94 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 Indirect target selection: 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 Tsa: 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 742 5214 4 2277 7199 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:f3:b7:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82021sec preferred_lft 82021sec inet6 fe80::f816:3eff:fef3:b7c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38895) 08/20/26 _x86_64_ (2 CPU) 01:03:58 LINUX RESTART (2 CPU) 01:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:08 14.70 0.01 1.43 13.25 0.21 17.35 109081.85 01:30:08 1.71 0.00 1.67 0.03 0.00 20.07 878.39 01:40:08 1.29 0.00 1.27 0.01 0.00 15.27 20.76 01:50:08 1.22 0.00 1.20 0.02 0.00 14.53 25.37 02:00:05 2.43 0.71 1.69 0.04 94.70 77.74 671.00 02:10:08 18.21 1.58 15.68 0.95 115.13 2238.92 472.85 Average: 6.61 0.38 3.84 2.39 35.03 399.49 18524.79 01:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:08 6289524 7536764 284636 3.50 31060 1421944 535480 5.83 446656 1184252 164 01:30:08 6292104 7539916 281488 3.46 31280 1422276 535572 5.83 446928 1184804 180 01:40:08 6299188 7547536 273884 3.37 31484 1422600 535796 5.84 447084 1185332 168 01:50:08 6296416 7545296 276120 3.40 31688 1422928 535796 5.84 447208 1185864 184 02:00:05 6209360 7487876 332776 4.09 32176 1451672 722748 7.87 463952 1204652 180 02:10:08 5442200 7387204 393652 4.84 71936 2044344 650228 7.08 599036 1820044 46868 Average: 6138132 7507432 307093 3.78 38271 1530961 585937 6.38 475144 1294158 7957 01:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 2.08 0.10 1.11 0.08 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.53 0.09 0.14 0.08 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.56 0.24 0.13 0.59 0.00 0.00 0.00 0.00 01:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:00:05 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 0.44 0.24 3.29 0.03 0.00 0.00 0.00 0.00 02:10:08 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:10:08 ens3 38.56 24.77 279.36 5.94 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 7.10 4.27 47.62 1.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38895) 08/20/26 _x86_64_ (2 CPU) 01:03:58 LINUX RESTART (2 CPU) 01:10:08 CPU %user %nice %system %iowait %steal %idle 01:20:08 all 0.29 0.00 0.09 0.03 0.03 99.56 01:20:08 0 0.44 0.00 0.09 0.06 0.02 99.39 01:20:08 1 0.13 0.00 0.10 0.00 0.03 99.73 01:30:08 all 0.31 0.00 0.17 0.01 0.02 99.49 01:30:08 0 0.39 0.00 0.17 0.01 0.02 99.40 01:30:08 1 0.23 0.00 0.17 0.01 0.02 99.57 01:40:08 all 0.26 0.00 0.07 0.01 0.02 99.63 01:40:08 0 0.26 0.00 0.07 0.01 0.02 99.65 01:40:08 1 0.27 0.00 0.07 0.01 0.03 99.62 01:50:08 all 0.27 0.00 0.06 0.01 0.02 99.64 01:50:08 0 0.49 0.00 0.04 0.01 0.02 99.46 01:50:08 1 0.05 0.00 0.09 0.01 0.03 99.82 02:00:05 all 0.32 0.00 0.20 0.03 0.02 99.42 02:00:05 0 0.55 0.00 0.22 0.05 0.02 99.16 02:00:05 1 0.10 0.00 0.18 0.01 0.03 99.68 02:10:08 all 6.47 0.00 0.97 0.36 0.04 92.17 02:10:08 0 7.27 0.00 1.11 0.57 0.03 91.01 02:10:08 1 5.66 0.00 0.83 0.14 0.04 93.33 Average: all 1.33 0.00 0.26 0.07 0.03 98.31 Average: 0 1.57 0.00 0.28 0.12 0.02 98.00 Average: 1 1.08 0.00 0.24 0.03 0.03 98.62