---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-45986 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 7.9G 30G 21% / 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 768 5195 4 2272 7173 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:3e:b6:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80810sec preferred_lft 80810sec inet6 fe80::f816:3eff:fe3e:b6a0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-45986) 08/30/26 _x86_64_ (2 CPU) 01:11:03 LINUX RESTART (2 CPU) 01:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:17 14.40 0.01 1.47 12.92 0.19 18.13 106908.66 01:40:37 2.16 0.69 1.45 0.03 92.13 73.16 252.14 01:50:01 1.22 0.00 1.22 0.00 0.00 14.69 0.37 02:00:17 1.44 0.00 1.43 0.01 0.00 17.57 395.19 02:10:37 1.23 0.00 1.23 0.00 0.00 14.94 0.00 02:20:01 1.38 0.00 1.38 0.01 0.00 16.36 215.33 02:30:37 1.47 0.00 1.46 0.02 0.00 17.96 574.35 02:40:17 16.71 1.66 13.86 1.20 119.32 2453.66 244.30 Average: 4.97 0.29 2.88 1.81 26.26 317.41 13888.03 01:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:17 6290216 7537060 282604 3.47 31132 1421996 520512 5.67 389140 1238412 128 01:40:37 6255464 7532132 286940 3.53 31596 1450988 520672 5.67 400328 1257244 132 01:50:01 6269604 7546740 272324 3.35 31764 1451284 520900 5.67 400508 1257708 124 02:00:17 6261468 7539280 279716 3.44 31924 1451772 520992 5.67 400692 1258228 120 02:10:37 6260460 7538784 280212 3.45 32100 1452104 522616 5.69 401900 1258736 188 02:20:01 6252688 7531448 287448 3.53 32240 1452400 520992 5.67 400840 1259172 240 02:30:37 6253816 7533144 285776 3.51 32436 1452756 520996 5.67 400896 1259724 124 02:40:17 5434488 7376924 402252 4.95 72892 2041536 653784 7.12 555716 1872232 15052 Average: 6159776 7516939 297159 3.65 37010 1521854 537683 5.86 418752 1332682 2014 01:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.94 0.16 9.38 0.12 0.00 0.00 0.00 0.00 01:40:37 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:37 ens3 0.92 0.38 3.28 0.66 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 0.73 0.15 0.19 0.11 0.00 0.00 0.00 0.00 02:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:17 ens3 0.53 0.09 0.10 0.05 0.00 0.00 0.00 0.00 02:10:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:37 ens3 0.40 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.46 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:30:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:37 ens3 0.57 0.11 0.15 0.09 0.00 0.00 0.00 0.00 02:40:17 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 02:40:17 ens3 42.74 30.03 297.32 14.03 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.72 3.75 37.51 1.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-45986) 08/30/26 _x86_64_ (2 CPU) 01:11:03 LINUX RESTART (2 CPU) 01:20:01 CPU %user %nice %system %iowait %steal %idle 01:30:17 all 0.33 0.00 0.17 0.04 0.00 99.46 01:30:17 0 0.16 0.00 0.19 0.07 0.00 99.58 01:30:17 1 0.50 0.00 0.14 0.00 0.00 99.35 01:40:37 all 0.38 0.00 0.12 0.03 0.00 99.47 01:40:37 0 0.27 0.00 0.10 0.03 0.00 99.60 01:40:37 1 0.49 0.00 0.13 0.04 0.00 99.33 01:50:01 all 0.24 0.00 0.07 0.01 0.00 99.68 01:50:01 0 0.06 0.00 0.09 0.02 0.00 99.82 01:50:01 1 0.42 0.00 0.05 0.00 0.00 99.53 02:00:17 all 0.27 0.00 0.15 0.01 0.00 99.56 02:00:17 0 0.08 0.00 0.18 0.02 0.00 99.72 02:00:17 1 0.47 0.00 0.12 0.00 0.00 99.41 02:10:37 all 0.24 0.00 0.07 0.01 0.00 99.67 02:10:37 0 0.23 0.00 0.08 0.02 0.00 99.67 02:10:37 1 0.26 0.00 0.07 0.00 0.00 99.66 02:20:01 all 0.28 0.00 0.09 0.04 0.00 99.59 02:20:01 0 0.47 0.00 0.07 0.08 0.00 99.37 02:20:01 1 0.08 0.00 0.10 0.00 0.00 99.81 02:30:37 all 0.27 0.00 0.17 0.01 0.00 99.54 02:30:37 0 0.40 0.00 0.13 0.01 0.00 99.46 02:30:37 1 0.15 0.00 0.21 0.02 0.01 99.62 02:40:17 all 7.10 0.00 1.20 0.43 0.01 91.25 02:40:17 0 11.42 0.00 1.46 0.30 0.01 86.81 02:40:17 1 2.79 0.00 0.95 0.56 0.01 95.69 Average: all 1.11 0.00 0.25 0.07 0.00 98.56 Average: 0 1.58 0.00 0.28 0.07 0.00 98.06 Average: 1 0.63 0.00 0.22 0.08 0.00 99.07