---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2192 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: 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 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 761 5176 4 2296 7180 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:80:4e:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81998sec preferred_lft 81998sec inet6 fe80::f816:3eff:fe80:4e37/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2192) 08/05/26 _x86_64_ (2 CPU) 00:41:54 LINUX RESTART (2 CPU) 00:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.05 0.01 1.03 0.02 0.05 14.53 213.60 01:10:19 0.86 0.00 0.84 0.02 0.00 11.87 0.40 01:20:19 0.88 0.00 0.86 0.02 0.01 12.07 0.37 01:30:01 1.10 0.00 1.07 0.03 0.00 15.41 427.36 01:40:19 14.72 1.54 12.19 0.99 111.35 2295.11 387.06 01:50:19 11.68 1.40 8.94 1.34 114.95 1161.91 466.97 Average: 5.12 0.50 4.21 0.41 38.28 596.55 248.06 00:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6244452 7527552 292876 3.60 31356 1457008 527148 5.74 463784 1205700 140 01:10:19 6252040 7535680 284744 3.50 31556 1457344 527152 5.74 463896 1206236 60 01:20:19 6261732 7545912 274496 3.38 31760 1457668 527252 5.74 464268 1206764 36 01:30:01 6258596 7543460 276760 3.40 31988 1458132 527316 5.74 467244 1207304 156 01:40:19 5433788 7381368 398908 4.91 71816 2046824 630752 6.87 600992 1819144 2832 01:50:19 5186084 7410352 356364 4.38 88492 2295248 626996 6.83 601984 2055108 184 Average: 5939449 7490721 314025 3.86 47828 1695371 561103 6.11 510361 1450043 568 00:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.50 0.04 0.06 0.01 0.00 0.00 0.00 0.00 01:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:19 ens3 0.42 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:19 ens3 0.45 0.12 0.15 0.09 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.42 0.24 0.09 0.52 0.00 0.00 0.00 0.00 01:40:19 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:40:19 ens3 34.04 23.94 270.15 5.77 0.00 0.00 0.00 0.00 01:50:19 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 01:50:19 ens3 79.05 57.85 49.74 12.71 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.32 13.83 54.73 3.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2192) 08/05/26 _x86_64_ (2 CPU) 00:41:54 LINUX RESTART (2 CPU) 00:50:19 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.18 0.01 0.02 99.52 01:00:01 0 0.22 0.00 0.18 0.00 0.02 99.57 01:00:01 1 0.32 0.00 0.18 0.01 0.02 99.47 01:10:19 all 0.25 0.00 0.08 0.01 0.02 99.64 01:10:19 0 0.32 0.00 0.07 0.01 0.02 99.58 01:10:19 1 0.19 0.00 0.10 0.01 0.02 99.69 01:20:19 all 0.28 0.00 0.07 0.01 0.03 99.61 01:20:19 0 0.46 0.00 0.06 0.00 0.02 99.45 01:20:19 1 0.10 0.00 0.09 0.02 0.03 99.77 01:30:01 all 0.33 0.00 0.18 0.01 0.02 99.46 01:30:01 0 0.33 0.00 0.17 0.01 0.02 99.48 01:30:01 1 0.34 0.00 0.19 0.02 0.02 99.43 01:40:19 all 6.23 0.00 0.98 0.31 0.04 92.44 01:40:19 0 8.32 0.00 1.11 0.24 0.04 90.29 01:40:19 1 4.14 0.00 0.84 0.39 0.03 94.60 01:50:19 all 9.47 0.00 1.33 0.17 0.06 88.96 01:50:19 0 10.38 0.00 1.41 0.19 0.06 87.96 01:50:19 1 8.56 0.00 1.25 0.15 0.07 89.97 Average: all 2.83 0.00 0.47 0.09 0.03 96.57 Average: 0 3.38 0.00 0.50 0.08 0.03 96.01 Average: 1 2.29 0.00 0.44 0.10 0.03 97.13