---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2502 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 740 5034 4 2460 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:f2:d6:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80970sec preferred_lft 80970sec inet6 fe80::f816:3eff:fef2:d6ff/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-2502) 08/06/26 _x86_64_ (2 CPU) 01:56:06 LINUX RESTART (2 CPU) 02:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:06 1.31 0.03 1.29 0.00 1.24 15.61 0.08 02:20:06 2.15 0.71 1.42 0.02 94.20 73.79 56.76 02:30:06 1.51 0.01 1.47 0.04 1.05 18.20 1.01 02:40:06 1.22 0.00 1.21 0.02 0.00 14.72 0.80 02:50:06 1.23 0.00 1.21 0.01 0.00 14.41 0.64 03:00:06 1.52 0.00 1.48 0.04 0.00 18.44 1.03 03:10:06 8.36 1.34 6.50 0.52 98.80 789.91 180.71 03:20:06 19.85 1.66 16.32 1.88 130.95 2878.15 862.32 Average: 4.64 0.47 3.86 0.32 40.78 477.90 137.92 02:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:06 6290904 7536832 284632 3.50 30972 1420732 527916 5.75 442496 1183800 64 02:20:06 6246328 7521556 299220 3.68 31460 1449144 723984 7.89 456872 1202384 260 02:30:06 6252228 7528320 292532 3.60 31664 1449788 530348 5.78 451064 1202920 180 02:40:06 6266500 7543124 277708 3.41 31876 1450112 530992 5.78 452940 1203444 244 02:50:06 6265016 7542288 278552 3.43 32048 1450568 531144 5.79 453152 1203956 188 03:00:06 6260612 7538452 282328 3.47 32272 1450896 531144 5.79 453176 1204508 196 03:10:06 5564508 7355760 432720 5.32 65688 1903156 696932 7.59 633240 1676636 301500 03:20:06 5118416 7383940 382936 4.71 88892 2335888 684864 7.46 620848 2100288 7788 Average: 6033064 7493784 316328 3.89 43109 1613786 594666 6.48 495474 1372242 38802 02:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:06 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.64 0.05 0.07 0.01 0.00 0.00 0.00 0.00 02:20:06 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 0.74 0.30 3.28 0.05 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.26 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 6.26 3.85 4.11 3.24 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.54 0.10 0.15 0.08 0.00 0.00 0.00 0.00 03:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:06 ens3 0.32 0.09 0.09 0.04 0.00 0.00 0.00 0.00 03:10:06 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 03:10:06 ens3 29.45 19.11 170.34 9.19 0.00 0.00 0.00 0.00 03:20:06 lo 1.22 1.22 0.07 0.07 0.00 0.00 0.00 0.00 03:20:06 ens3 52.63 37.70 197.91 10.00 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.36 7.65 47.00 2.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2502) 08/06/26 _x86_64_ (2 CPU) 01:56:06 LINUX RESTART (2 CPU) 02:00:06 CPU %user %nice %system %iowait %steal %idle 02:10:06 all 0.27 0.00 0.12 0.27 0.94 98.39 02:10:06 0 0.09 0.00 0.16 0.04 0.83 98.88 02:10:06 1 0.46 0.00 0.08 0.50 1.04 97.92 02:20:06 all 0.42 0.00 0.13 0.03 0.02 99.41 02:20:06 0 0.26 0.00 0.14 0.04 0.02 99.54 02:20:06 1 0.58 0.00 0.12 0.01 0.02 99.28 02:30:06 all 0.29 0.00 0.18 0.01 0.01 99.50 02:30:06 0 0.14 0.00 0.17 0.02 0.02 99.66 02:30:06 1 0.44 0.00 0.20 0.00 0.01 99.34 02:40:06 all 0.45 0.00 0.10 0.03 0.02 99.40 02:40:06 0 0.20 0.00 0.12 0.07 0.02 99.60 02:40:06 1 0.70 0.00 0.07 0.00 0.02 99.21 02:50:06 all 0.26 0.00 0.08 0.01 0.02 99.63 02:50:06 0 0.07 0.00 0.10 0.02 0.02 99.79 02:50:06 1 0.45 0.00 0.07 0.00 0.01 99.46 03:00:06 all 0.30 0.00 0.18 0.01 0.03 99.48 03:00:06 0 0.09 0.00 0.20 0.02 0.03 99.66 03:00:06 1 0.51 0.00 0.16 0.00 0.03 99.31 03:10:06 all 4.94 0.00 0.74 0.29 0.03 93.99 03:10:06 0 6.95 0.00 0.84 0.41 0.03 91.77 03:10:06 1 2.94 0.00 0.64 0.16 0.04 96.22 03:20:06 all 14.14 0.00 1.48 0.31 0.70 83.37 03:20:06 0 11.98 0.00 1.66 0.34 0.81 85.20 03:20:06 1 16.31 0.00 1.30 0.27 0.58 81.54 Average: all 2.64 0.00 0.38 0.12 0.22 96.64 Average: 0 2.48 0.00 0.43 0.12 0.22 96.75 Average: 1 2.80 0.00 0.33 0.12 0.22 96.53