---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38225 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 780 5096 4 2358 7160 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:84:03:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81984sec preferred_lft 81984sec inet6 fe80::f816:3eff:fe84:3fb/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-38225) 08/17/26 _x86_64_ (2 CPU) 00:41:01 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:16 25.17 2.77 20.11 2.29 218.95 3401.59 628.76 01:10:46 15.88 0.68 1.71 13.49 90.79 80.27 101411.32 01:20:01 1.31 0.00 1.30 0.00 0.01 20.05 0.22 01:30:16 1.61 0.00 1.57 0.03 0.00 132.66 395.55 01:40:46 1.35 0.00 1.33 0.02 0.00 33.88 3.42 01:50:01 1.36 0.00 1.33 0.03 0.00 21.62 3.22 Average: 8.00 0.59 4.64 2.77 53.30 630.18 17924.29 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:16 5206464 7386824 380916 4.68 85920 2254928 663324 7.22 601532 2026872 256 01:10:46 5146136 7357572 409888 5.04 86340 2285556 673484 7.34 615572 2047268 128 01:20:01 5123304 7336380 431088 5.30 86460 2287076 692008 7.54 634080 2048908 280 01:30:16 5090424 7340560 426508 5.24 86640 2323552 679408 7.40 621132 2085436 1532 01:40:46 5072708 7327448 439540 5.40 86824 2327908 682016 7.43 624184 2089976 128 01:50:01 5041556 7298176 468784 5.76 87000 2329592 724104 7.89 661336 2091836 240 Average: 5113432 7341160 426121 5.24 86531 2301435 685724 7.47 626306 2065049 427 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:16 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:00:16 ens3 69.51 48.33 313.51 11.84 0.00 0.00 0.00 0.00 01:10:46 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:46 ens3 27.40 20.97 243.96 1.86 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 6.83 6.05 35.99 0.79 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 13.55 12.42 153.42 1.47 0.00 0.00 0.00 0.00 01:40:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:46 ens3 13.13 12.56 134.88 1.44 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 11.35 11.03 151.18 1.02 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 24.09 18.88 174.91 3.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38225) 08/17/26 _x86_64_ (2 CPU) 00:41:01 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:16 all 11.91 0.00 1.97 0.65 0.08 85.39 01:00:16 0 12.88 0.00 2.07 0.57 0.08 84.40 01:00:16 1 10.95 0.00 1.86 0.73 0.08 86.38 01:10:46 all 1.03 0.00 0.34 0.06 0.10 98.47 01:10:46 0 1.47 0.00 0.50 0.12 0.13 97.77 01:10:46 1 0.59 0.00 0.18 0.01 0.06 99.17 01:20:01 all 1.45 0.00 0.43 0.01 0.10 98.00 01:20:01 0 1.02 0.00 0.34 0.02 0.08 98.53 01:20:01 1 1.89 0.00 0.53 0.00 0.11 97.47 01:30:16 all 1.90 0.00 0.56 0.02 0.10 97.42 01:30:16 0 2.36 0.00 0.74 0.03 0.11 96.77 01:30:16 1 1.49 0.00 0.39 0.01 0.09 98.02 01:40:46 all 1.47 0.00 0.32 0.01 0.10 98.09 01:40:46 0 2.13 0.00 0.37 0.02 0.08 97.40 01:40:46 1 0.80 0.00 0.28 0.01 0.12 98.79 01:50:01 all 0.86 0.00 0.26 0.01 0.11 98.75 01:50:01 0 1.13 0.00 0.32 0.02 0.12 98.41 01:50:01 1 0.60 0.00 0.19 0.01 0.11 99.09 Average: all 3.18 0.00 0.66 0.13 0.10 95.94 Average: 0 3.60 0.00 0.74 0.14 0.10 95.43 Average: 1 2.76 0.00 0.58 0.13 0.09 96.44