---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3680 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 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 749 5027 4 2459 7192 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:db:ea:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81715sec preferred_lft 81715sec inet6 fe80::f816:3eff:fedb:ea1f/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-3680) 08/09/26 _x86_64_ (2 CPU) 01:46:16 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.48 0.03 1.43 0.02 1.24 17.94 643.51 02:10:03 1.28 0.01 1.26 0.01 0.05 15.04 18.41 02:20:03 1.19 0.00 1.17 0.02 0.01 14.27 23.07 02:30:01 1.41 0.00 1.38 0.03 0.00 17.15 667.53 02:40:03 2.15 0.71 1.41 0.03 94.77 73.52 78.90 02:50:03 12.22 1.41 10.06 0.76 104.53 1519.52 1116.53 03:00:01 17.71 1.42 14.62 1.67 120.23 2408.58 510.60 Average: 5.34 0.51 4.47 0.36 45.85 579.92 436.26 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6280880 7531052 289972 3.57 31028 1424836 523108 5.70 445928 1188240 128 02:10:03 6280208 7530936 290080 3.57 31252 1425160 523196 5.70 445900 1188788 196 02:20:03 6287992 7539272 281732 3.46 31472 1425488 523440 5.70 446248 1189336 196 02:30:01 6291636 7543468 277520 3.41 31680 1425816 525140 5.72 447656 1189872 248 02:40:03 6253508 7535100 285212 3.51 32160 1454684 524016 5.71 458736 1208464 204 02:50:03 5481004 7366484 416272 5.12 68732 1989828 639672 6.97 591296 1765152 221588 03:00:01 5032980 7326540 439960 5.41 87320 2365480 720488 7.85 671224 2128888 8680 Average: 5986887 7481836 325821 4.01 44806 1644470 568437 6.19 500998 1408391 33034 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.74 0.07 0.10 0.04 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.56 0.05 3.51 0.02 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.31 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.63 0.05 1.02 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 6.57 4.05 7.29 3.29 0.00 0.00 0.00 0.00 02:50:03 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 02:50:03 ens3 26.94 20.07 206.34 9.46 0.00 0.00 0.00 0.00 03:00:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 03:00:01 ens3 55.12 42.14 212.40 10.20 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 12.96 9.48 61.45 3.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3680) 08/09/26 _x86_64_ (2 CPU) 01:46:16 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.32 0.00 0.17 0.01 0.04 99.46 02:00:01 0 0.12 0.00 0.20 0.02 0.04 99.62 02:00:01 1 0.51 0.00 0.15 0.01 0.03 99.31 02:10:03 all 0.26 0.00 0.07 0.01 0.03 99.62 02:10:03 0 0.06 0.00 0.10 0.01 0.05 99.79 02:10:03 1 0.46 0.00 0.05 0.01 0.02 99.45 02:20:03 all 0.24 0.00 0.07 0.01 0.04 99.64 02:20:03 0 0.05 0.00 0.10 0.00 0.05 99.79 02:20:03 1 0.43 0.00 0.04 0.01 0.03 99.49 02:30:01 all 0.24 0.00 0.17 0.01 0.03 99.54 02:30:01 0 0.07 0.00 0.18 0.00 0.04 99.71 02:30:01 1 0.41 0.00 0.17 0.02 0.03 99.37 02:40:03 all 0.52 0.00 0.13 0.02 0.03 99.29 02:40:03 0 0.39 0.00 0.16 0.04 0.04 99.38 02:40:03 1 0.66 0.00 0.09 0.01 0.02 99.21 02:50:03 all 5.46 0.00 0.86 3.56 0.04 90.08 02:50:03 0 6.80 0.00 1.09 6.30 0.05 85.76 02:50:03 1 4.13 0.00 0.62 0.82 0.04 94.39 03:00:01 all 12.73 0.00 1.39 1.00 0.07 84.81 03:00:01 0 8.55 0.00 1.22 0.23 0.07 89.93 03:00:01 1 16.90 0.00 1.56 1.77 0.07 79.70 Average: all 2.82 0.00 0.41 0.66 0.04 96.07 Average: 0 2.29 0.00 0.44 0.94 0.05 96.29 Average: 1 3.35 0.00 0.38 0.38 0.03 95.86