---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3340 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 759 5017 4 2459 7182 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:74:d9:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81688sec preferred_lft 81688sec inet6 fe80::f816:3eff:fe74:d968/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3340) 08/08/26 _x86_64_ (2 CPU) 01:45:17 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 2.52 0.73 1.76 0.02 95.34 78.04 58.70 02:10:01 1.28 0.01 1.26 0.01 1.11 14.73 2.42 02:20:01 1.15 0.00 1.15 0.00 0.01 13.41 2.31 02:30:02 14.74 0.00 1.49 13.25 0.15 17.77 108942.35 02:40:03 1.35 0.00 1.34 0.01 0.00 16.07 0.12 02:50:01 15.57 1.59 13.06 0.92 115.11 2201.26 192.21 03:00:04 12.87 1.25 10.18 1.44 109.18 1590.09 437.45 Average: 7.07 0.51 4.32 2.24 45.84 561.36 15663.31 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6249052 7523944 296584 3.65 31252 1449012 723564 7.88 462180 1201904 124 02:10:01 6260496 7536348 284236 3.50 31428 1449784 530008 5.77 456480 1202412 140 02:20:01 6259992 7536340 284236 3.50 31588 1450108 530656 5.78 456688 1202896 140 02:30:02 6256820 7533736 286776 3.53 31764 1450476 530072 5.77 456716 1203412 124 02:40:03 6255064 7532616 287820 3.54 31928 1450936 530728 5.78 458632 1203908 184 02:50:01 5455156 7395972 384488 4.73 71908 2040044 640668 6.98 594828 1816292 47548 03:00:04 5059836 7359400 388408 4.78 87656 2368788 677092 7.37 627032 2131940 808 Average: 5970917 7488337 316078 3.89 45361 1665593 594684 6.48 501794 1423252 7010 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.53 0.52 3.36 0.09 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.18 0.04 7.61 0.01 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 0.31 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.58 0.06 0.94 0.03 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 6.23 3.71 4.13 3.32 0.00 0.00 0.00 0.00 02:50:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:50:01 ens3 42.62 26.60 279.87 10.20 0.00 0.00 0.00 0.00 03:00:04 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:04 ens3 53.12 43.59 141.92 10.18 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 15.10 10.67 62.48 3.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3340) 08/08/26 _x86_64_ (2 CPU) 01:45:17 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.42 0.00 0.22 0.03 0.03 99.30 02:00:00 0 0.60 0.00 0.23 0.01 0.02 99.13 02:00:00 1 0.24 0.00 0.21 0.04 0.03 99.48 02:10:01 all 0.26 0.00 0.08 0.01 0.03 99.62 02:10:01 0 0.07 0.00 0.09 0.01 0.03 99.80 02:10:01 1 0.46 0.00 0.07 0.01 0.02 99.44 02:20:01 all 0.26 0.00 0.08 0.01 0.03 99.63 02:20:01 0 0.06 0.00 0.09 0.01 0.03 99.81 02:20:01 1 0.47 0.00 0.06 0.01 0.02 99.44 02:30:02 all 0.25 0.00 0.19 0.03 0.03 99.51 02:30:02 0 0.21 0.00 0.18 0.00 0.03 99.58 02:30:02 1 0.30 0.00 0.19 0.05 0.02 99.44 02:40:03 all 0.41 0.00 0.12 0.02 0.02 99.42 02:40:03 0 0.40 0.00 0.14 0.00 0.02 99.44 02:40:03 1 0.43 0.00 0.11 0.04 0.02 99.41 02:50:01 all 6.52 0.00 1.01 0.33 0.04 92.10 02:50:01 0 9.45 0.00 1.27 0.47 0.04 88.77 02:50:01 1 3.60 0.00 0.75 0.19 0.03 95.44 03:00:04 all 12.05 0.00 1.33 0.19 0.06 86.36 03:00:04 0 15.61 0.00 1.45 0.27 0.06 82.60 03:00:04 1 8.50 0.00 1.22 0.11 0.05 90.12 Average: all 2.89 0.00 0.43 0.09 0.03 96.56 Average: 0 3.77 0.00 0.49 0.11 0.03 95.59 Average: 1 2.00 0.00 0.37 0.06 0.03 97.54