---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36058 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: 5599.99 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 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 740 5217 4 2276 7201 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:5f:b4:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82028sec preferred_lft 82028sec inet6 fe80::f816:3eff:fe5f:b449/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36058) 08/12/26 _x86_64_ (2 CPU) 01:03:47 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 14.40 0.01 1.15 13.24 0.21 14.56 109031.33 01:30:01 2.44 0.74 1.65 0.04 97.33 78.12 79.52 01:40:01 1.19 0.00 1.17 0.02 0.00 14.47 25.41 01:50:01 1.16 0.00 1.14 0.02 0.00 14.15 20.79 02:00:01 1.37 0.00 1.34 0.03 0.00 16.93 18.69 02:10:01 18.57 1.58 16.06 0.94 113.07 2202.36 210.28 Average: 6.52 0.39 3.75 2.38 35.10 390.08 18235.80 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6290020 7536928 284088 3.49 30964 1421696 534660 5.82 449132 1184088 200 01:30:01 6263564 7540840 279600 3.44 31468 1451140 534936 5.83 460428 1202848 132 01:40:01 6262864 7540672 279780 3.44 31680 1451468 534864 5.83 460624 1203376 148 01:50:01 6263512 7542004 278444 3.42 31892 1451920 534936 5.83 460816 1203924 224 02:00:01 6263640 7542668 277724 3.41 32076 1452252 534860 5.83 460784 1204440 196 02:10:01 5454220 7392980 387708 4.77 71864 2038200 639056 6.96 588888 1813952 42608 Average: 6132970 7516015 297891 3.66 38324 1544446 552219 6.01 480112 1302105 7251 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.41 0.11 0.18 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 1.03 0.36 6.06 0.08 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 0.37 0.07 0.12 0.04 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.30 0.08 0.09 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.18 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 35.06 24.73 277.66 6.47 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 6.39 4.23 47.36 1.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36058) 08/12/26 _x86_64_ (2 CPU) 01:03:47 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.25 0.00 0.11 0.03 0.04 99.57 01:20:01 0 0.07 0.00 0.13 0.05 0.04 99.72 01:20:01 1 0.43 0.00 0.09 0.02 0.04 99.42 01:30:01 all 0.43 0.00 0.22 0.03 0.03 99.28 01:30:01 0 0.31 0.00 0.26 0.05 0.04 99.34 01:30:01 1 0.56 0.00 0.18 0.01 0.03 99.22 01:40:01 all 0.25 0.00 0.08 0.01 0.04 99.61 01:40:01 0 0.31 0.00 0.09 0.02 0.04 99.56 01:40:01 1 0.20 0.00 0.08 0.01 0.04 99.67 01:50:01 all 0.25 0.00 0.07 0.01 0.05 99.62 01:50:01 0 0.04 0.00 0.09 0.01 0.06 99.80 01:50:01 1 0.46 0.00 0.06 0.01 0.04 99.43 02:00:01 all 0.30 0.00 0.16 0.02 0.05 99.47 02:00:01 0 0.43 0.00 0.15 0.01 0.04 99.37 02:00:01 1 0.17 0.00 0.18 0.03 0.06 99.57 02:10:01 all 6.14 0.00 0.96 0.46 0.06 92.38 02:10:01 0 4.75 0.00 0.91 0.60 0.05 93.69 02:10:01 1 7.52 0.00 1.02 0.32 0.07 91.08 Average: all 1.27 0.00 0.27 0.09 0.04 98.32 Average: 0 0.98 0.00 0.27 0.12 0.04 98.58 Average: 1 1.56 0.00 0.27 0.07 0.04 98.06