---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-767 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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 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 8.0G 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 751 5196 4 2287 7189 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:9b:0b:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80539sec preferred_lft 80539sec inet6 fe80::f816:3eff:fe9b:b9a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-767) 09/06/26 _x86_64_ (2 CPU) 01:11:32 LINUX RESTART (2 CPU) 01:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:00 2.04 0.34 1.68 0.03 43.55 106.84 446.75 01:40:00 1.10 0.00 1.08 0.02 0.00 13.57 49.73 01:50:00 1.12 0.00 1.10 0.02 0.00 13.76 44.89 02:00:00 1.32 0.00 1.29 0.03 0.00 16.64 902.79 02:10:00 1.15 0.00 1.13 0.01 0.00 13.96 39.92 02:20:00 1.18 0.00 1.17 0.01 0.00 14.25 24.88 02:30:00 1.36 0.00 1.34 0.01 0.00 16.81 853.04 02:40:00 1.19 0.00 1.19 0.00 0.00 14.71 0.00 Average: 1.31 0.04 1.25 0.02 5.44 26.32 295.25 01:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:00 6239864 7526168 293280 3.61 31116 1461340 722076 7.86 469976 1212864 128 01:40:00 6256552 7543408 276064 3.39 31332 1461668 722296 7.87 470084 1213408 156 01:50:00 6255740 7543132 276332 3.40 31532 1461996 722296 7.87 470140 1213936 156 02:00:00 6243192 7531136 288336 3.55 31736 1462320 722300 7.87 470304 1214464 128 02:10:00 6243192 7531792 287672 3.54 31924 1462780 722296 7.87 470464 1214984 128 02:20:00 6242944 7532068 287376 3.53 32112 1463108 722356 7.87 470404 1215500 148 02:30:00 6227864 7517500 301932 3.71 32288 1463436 722352 7.87 470404 1216004 164 02:40:00 6229420 7519568 299848 3.69 32464 1463764 722416 7.87 470648 1216508 168 Average: 6242346 7530596 288855 3.55 31813 1462552 722298 7.87 470303 1214708 147 01:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.91 0.28 3.35 0.06 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.65 0.05 0.26 0.03 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.47 0.10 0.08 0.04 0.00 0.00 0.00 0.00 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 0.41 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.38 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.29 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.28 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.41 0.13 0.07 0.57 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.47 0.09 0.49 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-767) 09/06/26 _x86_64_ (2 CPU) 01:11:32 LINUX RESTART (2 CPU) 01:20:00 CPU %user %nice %system %iowait %steal %idle 01:30:00 all 0.46 0.00 0.25 0.03 0.00 99.26 01:30:00 0 0.30 0.00 0.22 0.03 0.00 99.45 01:30:00 1 0.62 0.00 0.27 0.03 0.00 99.08 01:40:00 all 0.27 0.00 0.09 0.01 0.01 99.61 01:40:00 0 0.31 0.00 0.07 0.01 0.01 99.61 01:40:00 1 0.24 0.00 0.12 0.01 0.01 99.62 01:50:00 all 0.27 0.00 0.08 0.01 0.01 99.63 01:50:00 0 0.14 0.00 0.10 0.01 0.01 99.74 01:50:00 1 0.40 0.00 0.07 0.01 0.01 99.51 02:00:00 all 0.28 0.00 0.19 0.01 0.01 99.52 02:00:00 0 0.09 0.00 0.21 0.02 0.01 99.67 02:00:00 1 0.47 0.00 0.16 0.00 0.01 99.37 02:10:00 all 0.26 0.00 0.08 0.01 0.00 99.64 02:10:00 0 0.06 0.00 0.09 0.02 0.01 99.83 02:10:00 1 0.46 0.00 0.08 0.00 0.00 99.46 02:20:00 all 0.24 0.00 0.08 0.01 0.01 99.66 02:20:00 0 0.04 0.00 0.07 0.02 0.01 99.86 02:20:00 1 0.44 0.00 0.09 0.01 0.01 99.45 02:30:00 all 0.28 0.00 0.19 0.02 0.00 99.50 02:30:00 0 0.08 0.00 0.22 0.01 0.00 99.69 02:30:00 1 0.49 0.00 0.17 0.03 0.00 99.32 02:40:00 all 0.28 0.00 0.09 0.01 0.01 99.62 02:40:00 0 0.07 0.00 0.09 0.01 0.01 99.82 02:40:00 1 0.49 0.00 0.09 0.01 0.01 99.41 Average: all 0.29 0.00 0.13 0.01 0.00 99.56 Average: 0 0.14 0.00 0.13 0.02 0.01 99.71 Average: 1 0.45 0.00 0.13 0.01 0.00 99.40