---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2195 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 8.1G 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 778 5089 4 2367 7163 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:59:f2:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81341sec preferred_lft 81341sec inet6 fe80::f816:3eff:fe59:f24a/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-2195) 08/05/26 _x86_64_ (2 CPU) 00:41:34 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:21 2.39 0.69 1.66 0.03 91.43 75.65 56.97 01:10:08 1.34 0.01 1.31 0.02 1.08 16.34 2.23 01:20:18 14.31 0.00 1.27 13.04 0.16 15.37 107277.78 01:30:19 1.48 0.00 1.45 0.03 0.00 18.19 2.14 01:40:08 16.53 1.62 13.95 0.96 116.90 2223.15 192.89 01:50:20 12.56 1.38 9.78 1.39 112.69 1317.45 434.07 02:00:08 1.50 0.00 1.48 0.02 0.00 68.57 2.26 Average: 7.18 0.53 4.40 2.24 46.38 530.87 15659.93 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:21 6230304 7506020 314772 3.87 31352 1449728 714824 7.79 465232 1202088 176 01:10:08 6243136 7519716 301084 3.70 31568 1450368 521468 5.68 459336 1202632 208 01:20:18 6250788 7527952 292704 3.60 31768 1450740 523692 5.70 460028 1203176 128 01:30:19 6277208 7555060 265556 3.27 31996 1451196 523748 5.70 460016 1203732 124 01:40:08 5454672 7395472 385060 4.73 71824 2039900 640792 6.98 596612 1815560 44728 01:50:20 5189152 7410632 356448 4.38 88540 2292476 647976 7.06 599980 2055708 248 02:00:08 5155464 7391972 374752 4.61 88720 2307340 689860 7.51 609108 2070732 1128 Average: 5828675 7472403 327197 4.02 53681 1777393 608909 6.63 521473 1536233 6677 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:21 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:00:21 ens3 0.83 0.27 3.16 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.42 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.45 0.10 0.15 0.08 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.32 0.05 0.09 0.04 0.00 0.00 0.00 0.00 01:40:08 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:08 ens3 41.86 26.32 283.82 6.71 0.00 0.00 0.00 0.00 01:50:20 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 01:50:20 ens3 59.26 46.79 45.24 8.49 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 29.10 28.16 7.81 4.56 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 18.84 14.50 47.93 2.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2195) 08/05/26 _x86_64_ (2 CPU) 00:41:34 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:21 all 0.38 0.00 0.21 0.03 0.04 99.35 01:00:21 0 0.60 0.00 0.19 0.06 0.03 99.13 01:00:21 1 0.16 0.00 0.22 0.00 0.05 99.58 01:10:08 all 0.23 0.00 0.08 0.01 0.04 99.64 01:10:08 0 0.04 0.00 0.08 0.02 0.05 99.81 01:10:08 1 0.43 0.00 0.07 0.00 0.03 99.46 01:20:18 all 0.30 0.00 0.08 0.03 0.04 99.55 01:20:18 0 0.24 0.00 0.10 0.06 0.04 99.55 01:20:18 1 0.35 0.00 0.07 0.00 0.04 99.55 01:30:19 all 0.25 0.00 0.16 0.01 0.04 99.54 01:30:19 0 0.07 0.00 0.19 0.02 0.05 99.68 01:30:19 1 0.43 0.00 0.13 0.00 0.03 99.40 01:40:08 all 6.34 0.00 0.96 0.40 0.05 92.26 01:40:08 0 3.26 0.00 0.64 0.45 0.05 95.59 01:40:08 1 9.41 0.00 1.28 0.34 0.05 88.92 01:50:20 all 9.14 0.00 1.25 0.31 0.08 89.22 01:50:20 0 7.99 0.00 1.16 0.48 0.08 90.30 01:50:20 1 10.29 0.00 1.33 0.14 0.07 88.16 02:00:08 all 4.86 0.00 0.56 0.01 0.08 94.48 02:00:08 0 4.33 0.00 0.52 0.01 0.08 95.06 02:00:08 1 5.39 0.00 0.61 0.01 0.09 93.91 Average: all 3.05 0.00 0.47 0.11 0.05 96.32 Average: 0 2.34 0.00 0.41 0.16 0.05 97.04 Average: 1 3.75 0.00 0.53 0.07 0.05 95.60