---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-131 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 780 5112 4 2350 7161 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:0b:4b:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81422sec preferred_lft 81422sec inet6 fe80::f816:3eff:fe0b:4b0c/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-131) 09/05/26 _x86_64_ (2 CPU) 01:06:30 LINUX RESTART (2 CPU) 01:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.19 0.03 1.16 0.00 1.29 14.79 0.01 01:30:21 2.04 0.32 1.69 0.02 42.14 104.09 412.83 01:40:17 1.15 0.00 1.15 0.00 0.00 13.98 10.00 01:50:01 1.13 0.00 1.11 0.02 0.00 14.09 46.03 02:00:21 15.11 13.10 1.94 0.08 145.80 44.41 54.56 02:10:17 1.35 0.00 1.34 0.02 0.00 15.65 50.01 02:20:01 1.34 0.00 1.34 0.00 0.00 15.49 0.00 Average: 3.41 1.99 1.40 0.02 28.02 32.42 84.24 01:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6285828 7536948 283724 3.49 30608 1427368 533212 5.81 447776 1188120 248 01:30:21 6231372 7522420 296980 3.65 31288 1466064 733884 7.99 466692 1217412 124 01:40:17 6239064 7530604 288792 3.55 31444 1466392 733876 7.99 466808 1217896 124 01:50:01 6237316 7529348 290008 3.57 31636 1466712 734004 7.99 467468 1218380 156 02:00:21 6150568 7499780 310436 3.82 35676 1511456 734284 8.00 468024 1266456 124 02:10:17 6158156 7507900 302312 3.72 35876 1511784 734232 8.00 468088 1266984 124 02:20:01 6158156 7508380 301816 3.71 36028 1512112 734232 8.00 468180 1267460 292 Average: 6208637 7519340 296295 3.64 33222 1480270 705389 7.68 464719 1234673 170 01:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.88 0.13 2.98 0.08 0.00 0.00 0.00 0.00 01:30:21 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:21 ens3 0.90 0.34 3.26 0.08 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.46 0.07 0.08 0.04 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 0.26 0.18 0.69 0.00 0.00 0.00 0.00 02:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:21 ens3 0.25 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 0.21 0.04 0.03 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 0.19 0.04 0.03 0.01 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 0.66 0.13 0.95 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-131) 09/05/26 _x86_64_ (2 CPU) 01:06:30 LINUX RESTART (2 CPU) 01:10:17 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.29 0.00 0.09 0.01 0.00 99.60 01:20:01 0 0.10 0.00 0.12 0.00 0.00 99.77 01:20:01 1 0.48 0.00 0.06 0.02 0.00 99.43 01:30:21 all 0.43 0.00 0.22 0.03 0.00 99.31 01:30:21 0 0.36 0.00 0.27 0.03 0.00 99.34 01:30:21 1 0.51 0.00 0.18 0.03 0.00 99.28 01:40:17 all 0.26 0.00 0.08 0.01 0.00 99.64 01:40:17 0 0.06 0.00 0.11 0.00 0.01 99.83 01:40:17 1 0.46 0.00 0.05 0.02 0.00 99.46 01:50:01 all 0.27 0.00 0.08 0.01 0.00 99.63 01:50:01 0 0.36 0.00 0.08 0.01 0.00 99.56 01:50:01 1 0.19 0.00 0.08 0.02 0.00 99.71 02:00:21 all 0.29 0.14 0.22 0.15 0.00 99.21 02:00:21 0 0.49 0.01 0.16 0.01 0.00 99.33 02:00:21 1 0.08 0.28 0.28 0.28 0.00 99.08 02:10:17 all 0.23 0.00 0.07 0.01 0.00 99.69 02:10:17 0 0.40 0.00 0.06 0.00 0.00 99.54 02:10:17 1 0.05 0.00 0.08 0.02 0.00 99.84 02:20:01 all 0.27 0.00 0.07 0.02 0.00 99.65 02:20:01 0 0.48 0.00 0.04 0.01 0.00 99.47 02:20:01 1 0.05 0.00 0.09 0.03 0.01 99.83 Average: all 0.29 0.02 0.12 0.03 0.00 99.53 Average: 0 0.32 0.00 0.12 0.01 0.00 99.55 Average: 1 0.26 0.04 0.12 0.06 0.00 99.51