---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2197 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 760 5192 4 2281 7181 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:a1:8d:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81611sec preferred_lft 81611sec inet6 fe80::f816:3eff:fea1:8dac/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-2197) 08/05/26 _x86_64_ (2 CPU) 00:41:36 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:19 1.49 0.01 1.46 0.02 0.05 18.46 209.11 01:10:01 1.30 0.00 1.29 0.02 0.00 15.49 1.21 01:20:15 1.42 0.00 1.41 0.02 0.01 16.71 1.43 01:30:19 2.63 0.71 1.88 0.04 94.51 78.82 57.19 01:40:01 17.87 1.64 15.28 0.95 118.26 2261.42 195.99 01:50:20 13.21 1.37 10.47 1.37 111.50 1281.51 426.68 02:00:13 3.72 0.04 2.86 0.82 1.39 103.63 1158.05 Average: 5.92 0.54 4.92 0.46 46.54 534.47 292.03 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:19 6291516 7538212 282992 3.48 31080 1421372 525496 5.72 438604 1184120 152 01:10:01 6291516 7538744 282432 3.47 31280 1421692 525632 5.73 438688 1184648 240 01:20:15 6299104 7546872 274296 3.37 31488 1422016 525728 5.73 439120 1185180 132 01:30:19 6242136 7519652 300804 3.70 31984 1450860 525728 5.73 450704 1203756 156 01:40:01 5432648 7372940 407528 5.01 71908 2039540 658684 7.17 617708 1815664 49920 01:50:20 5163012 7375712 391116 4.81 88484 2283780 649700 7.08 613392 2047348 184 02:00:13 5227080 7308152 467696 5.75 89648 2159240 718964 7.83 707880 1923760 65020 Average: 5849573 7457183 343838 4.23 53696 1742643 589990 6.43 529442 1506354 16543 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.50 0.04 0.06 0.01 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.42 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.43 0.11 0.14 0.08 0.00 0.00 0.00 0.00 01:30:19 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.57 0.26 3.26 0.05 0.00 0.00 0.00 0.00 01:40:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 40.80 26.30 287.19 6.76 0.00 0.00 0.00 0.00 01:50:20 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:20 ens3 34.52 25.64 62.13 5.87 0.00 0.00 0.00 0.00 02:00:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 16.99 14.41 105.13 4.02 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 13.39 9.51 64.17 2.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2197) 08/05/26 _x86_64_ (2 CPU) 00:41:36 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:19 all 0.27 0.00 0.15 0.01 0.03 99.54 01:00:19 0 0.25 0.00 0.15 0.01 0.02 99.57 01:00:19 1 0.30 0.00 0.15 0.01 0.03 99.51 01:10:01 all 0.24 0.00 0.06 0.01 0.03 99.66 01:10:01 0 0.31 0.00 0.04 0.01 0.02 99.62 01:10:01 1 0.18 0.00 0.07 0.02 0.03 99.70 01:20:15 all 0.21 0.00 0.06 0.01 0.03 99.69 01:20:15 0 0.03 0.00 0.07 0.00 0.03 99.86 01:20:15 1 0.40 0.00 0.05 0.01 0.02 99.51 01:30:19 all 0.37 0.00 0.18 0.03 0.03 99.39 01:30:19 0 0.32 0.00 0.16 0.01 0.03 99.48 01:30:19 1 0.43 0.00 0.20 0.06 0.03 99.29 01:40:01 all 6.35 0.00 0.97 0.40 0.04 92.25 01:40:01 0 6.83 0.00 1.00 0.46 0.03 91.68 01:40:01 1 5.87 0.00 0.94 0.33 0.05 92.81 01:50:20 all 6.04 0.00 0.97 0.25 0.06 92.69 01:50:20 0 5.39 0.00 0.94 0.24 0.04 93.38 01:50:20 1 6.68 0.00 0.99 0.26 0.08 91.99 02:00:13 all 2.26 0.00 0.44 0.04 0.06 97.19 02:00:13 0 0.96 0.00 0.39 0.04 0.06 98.55 02:00:13 1 3.56 0.00 0.50 0.05 0.07 95.83 Average: all 2.24 0.00 0.40 0.11 0.04 97.21 Average: 0 2.00 0.00 0.39 0.11 0.03 97.46 Average: 1 2.48 0.00 0.41 0.10 0.04 96.96