---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3345 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 750 5204 4 2279 7191 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:a5:1e:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82015sec preferred_lft 82015sec inet6 fe80::f816:3eff:fea5:1e04/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3345) 08/08/26 _x86_64_ (2 CPU) 01:44:55 LINUX RESTART (2 CPU) 01:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.51 0.03 1.47 0.02 1.26 17.84 219.38 02:10:01 1.32 0.01 1.30 0.02 0.05 15.51 23.07 02:20:01 2.10 0.71 1.37 0.02 94.15 73.28 29.41 02:30:01 1.65 0.00 1.60 0.04 1.05 19.41 279.84 02:40:41 1.39 0.00 1.37 0.02 0.00 16.77 6.59 02:50:21 35.81 1.64 19.26 14.90 118.80 2444.80 112741.77 Average: 7.09 0.39 4.29 2.41 35.12 416.67 18205.93 01:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6294956 7542232 278996 3.43 31000 1422028 538280 5.86 448796 1183976 184 02:10:01 6294284 7542112 279104 3.43 31216 1422364 536944 5.85 448196 1184524 188 02:20:01 6234216 7511332 309144 3.80 31688 1450792 722372 7.87 464892 1203112 416 02:30:01 6271104 7549108 271348 3.34 31908 1451432 537092 5.85 459088 1203664 244 02:40:41 6273716 7552424 268020 3.30 32140 1451896 537728 5.86 460988 1204232 124 02:50:21 5434460 7376536 403704 4.96 72108 2041048 647216 7.05 597740 1816620 3572 Average: 6133789 7512291 301719 3.71 38343 1539927 586605 6.39 479950 1299355 788 01:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.06 0.10 0.14 0.06 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.13 0.04 7.62 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.83 0.51 3.29 0.06 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.58 0.06 0.94 0.03 0.00 0.00 0.00 0.00 02:40:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:41 ens3 5.91 3.54 3.90 3.26 0.00 0.00 0.00 0.00 02:50:21 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:50:21 ens3 44.31 27.69 288.56 10.54 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 8.76 5.19 49.05 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3345) 08/08/26 _x86_64_ (2 CPU) 01:44:55 LINUX RESTART (2 CPU) 01:50:11 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.25 0.00 0.17 0.01 0.04 99.54 02:00:01 0 0.36 0.00 0.18 0.01 0.04 99.42 02:00:01 1 0.14 0.00 0.16 0.01 0.04 99.66 02:10:01 all 0.22 0.00 0.08 0.02 0.03 99.65 02:10:01 0 0.24 0.00 0.07 0.00 0.03 99.66 02:10:01 1 0.20 0.00 0.08 0.03 0.04 99.65 02:20:01 all 0.33 0.00 0.11 0.03 0.03 99.50 02:20:01 0 0.35 0.00 0.11 0.03 0.03 99.48 02:20:01 1 0.31 0.00 0.11 0.03 0.04 99.51 02:30:01 all 0.27 0.00 0.16 0.02 0.04 99.51 02:30:01 0 0.07 0.00 0.17 0.01 0.05 99.70 02:30:01 1 0.48 0.00 0.14 0.03 0.03 99.33 02:40:41 all 0.40 0.00 0.09 0.01 0.04 99.46 02:40:41 0 0.47 0.00 0.09 0.01 0.03 99.40 02:40:41 1 0.33 0.00 0.09 0.00 0.05 99.52 02:50:21 all 6.41 0.00 0.98 0.36 0.05 92.20 02:50:21 0 2.38 0.00 0.77 0.21 0.05 96.58 02:50:21 1 10.44 0.00 1.19 0.50 0.04 87.82 Average: all 1.28 0.00 0.26 0.07 0.04 98.35 Average: 0 0.63 0.00 0.23 0.04 0.04 99.06 Average: 1 1.92 0.00 0.29 0.10 0.04 97.65