---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37169 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 775 5008 4 2458 7165 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:e8:78:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82631sec preferred_lft 82631sec inet6 fe80::f816:3eff:fee8:78b4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37169) 08/13/26 _x86_64_ (2 CPU) 01:05:07 LINUX RESTART (2 CPU) 01:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.17 0.00 1.17 0.00 0.01 14.56 0.18 01:30:08 1.47 0.01 1.44 0.02 0.05 17.72 421.88 01:40:01 1.14 0.00 1.14 0.00 0.00 13.78 0.18 01:50:01 1.16 0.00 1.16 0.00 0.00 13.77 0.00 02:00:08 14.78 1.57 12.29 0.92 113.43 2165.25 1056.88 Average: 3.98 0.32 3.47 0.19 23.00 450.67 299.68 01:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6259448 7534340 285716 3.51 31280 1448916 719248 7.83 466136 1202220 148 01:30:08 6248424 7523868 296236 3.64 31476 1449248 717932 7.82 465196 1202748 180 01:40:01 6256484 7532420 287672 3.54 31640 1449572 718216 7.82 465716 1203236 240 01:50:01 6255552 7531948 288136 3.54 31784 1449896 718216 7.82 465844 1203696 264 02:00:08 5426168 7363096 417172 5.13 71400 2036684 847456 9.23 626880 1813252 42540 Average: 6089215 7497134 314986 3.87 39516 1566863 744214 8.11 497954 1325030 8674 01:10:12 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 1.05 0.14 0.16 0.07 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.65 0.13 0.18 0.11 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.60 0.26 0.10 0.59 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 0.35 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:00:08 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:00:08 ens3 36.06 25.26 274.76 5.88 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.83 5.23 55.78 1.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37169) 08/13/26 _x86_64_ (2 CPU) 01:05:07 LINUX RESTART (2 CPU) 01:10:12 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.26 0.00 0.09 0.01 0.02 99.63 01:20:01 0 0.22 0.00 0.09 0.02 0.03 99.65 01:20:01 1 0.29 0.00 0.09 0.00 0.02 99.60 01:30:08 all 0.30 0.00 0.18 0.04 0.06 99.42 01:30:08 0 0.48 0.00 0.15 0.02 0.07 99.27 01:30:08 1 0.12 0.00 0.20 0.05 0.05 99.57 01:40:01 all 0.26 0.00 0.07 0.01 0.03 99.64 01:40:01 0 0.44 0.00 0.05 0.01 0.02 99.48 01:40:01 1 0.08 0.00 0.08 0.01 0.04 99.80 01:50:01 all 0.24 0.00 0.06 0.01 0.03 99.66 01:50:01 0 0.43 0.00 0.04 0.02 0.01 99.50 01:50:01 1 0.05 0.00 0.09 0.00 0.04 99.82 02:00:08 all 6.11 0.00 1.03 0.32 0.04 92.50 02:00:08 0 4.16 0.00 0.80 0.38 0.03 94.63 02:00:08 1 8.07 0.00 1.26 0.27 0.04 90.36 Average: all 1.45 0.00 0.29 0.08 0.04 98.15 Average: 0 1.16 0.00 0.23 0.09 0.03 98.49 Average: 1 1.74 0.00 0.35 0.07 0.04 97.81