---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3346 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 8.0G 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 808 5077 4 2356 7133 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:53:12:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82023sec preferred_lft 82023sec inet6 fe80::f816:3eff:fe53:1245/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3346) 08/08/26 _x86_64_ (2 CPU) 01:45:03 LINUX RESTART (2 CPU) 01:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.57 0.03 1.52 0.02 1.30 19.17 2.65 02:10:10 1.21 0.00 1.21 0.00 0.00 14.69 2.27 02:20:30 1.24 0.00 1.24 0.00 0.01 15.20 2.23 02:30:00 1.35 0.00 1.33 0.01 0.00 16.80 0.24 02:40:30 27.64 12.88 2.05 12.71 142.26 44.23 103867.99 02:50:10 19.87 2.38 16.52 0.97 216.82 2334.57 250.16 Average: 8.95 2.65 3.91 2.39 60.21 395.83 18268.89 01:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6307252 7553400 267756 3.29 30976 1420916 531820 5.79 441324 1183776 160 02:10:10 6307028 7553688 267428 3.29 31148 1421280 531980 5.79 441592 1184280 224 02:20:30 6307028 7554236 266908 3.28 31324 1421612 532020 5.79 441828 1184820 180 02:30:00 6307508 7555168 265924 3.27 31484 1421896 532084 5.80 441912 1185264 124 02:40:30 6233644 7538040 273852 3.37 35072 1466720 532804 5.80 444752 1232912 172 02:50:10 5344712 7341212 430060 5.29 75068 2084256 665712 7.25 617612 1863112 45904 Average: 6134529 7515957 295321 3.63 39179 1539447 554403 6.04 471503 1305694 7794 01:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.05 0.10 0.14 0.06 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 0.40 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:30 ens3 0.35 0.07 0.09 0.04 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 0.25 0.04 0.07 0.03 0.00 0.00 0.00 0.00 02:40:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:30 ens3 6.00 3.79 3.96 3.37 0.00 0.00 0.00 0.00 02:50:10 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 02:50:10 ens3 46.11 29.53 291.97 10.74 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 8.84 5.48 47.92 2.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3346) 08/08/26 _x86_64_ (2 CPU) 01:45:03 LINUX RESTART (2 CPU) 01:50:20 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.31 0.00 0.19 0.01 0.03 99.47 02:00:00 0 0.34 0.00 0.20 0.02 0.03 99.41 02:00:00 1 0.27 0.00 0.17 0.01 0.02 99.53 02:10:10 all 0.27 0.00 0.07 0.01 0.02 99.62 02:10:10 0 0.48 0.00 0.05 0.01 0.02 99.44 02:10:10 1 0.06 0.00 0.09 0.01 0.03 99.80 02:20:30 all 0.24 0.00 0.07 0.01 0.02 99.65 02:20:30 0 0.42 0.00 0.06 0.01 0.02 99.49 02:20:30 1 0.07 0.00 0.08 0.01 0.03 99.82 02:30:00 all 0.23 0.00 0.17 0.01 0.02 99.57 02:30:00 0 0.27 0.00 0.15 0.02 0.02 99.54 02:30:00 1 0.19 0.00 0.18 0.01 0.03 99.59 02:40:30 all 0.42 0.17 0.18 0.18 0.02 99.03 02:40:30 0 0.46 0.28 0.21 0.21 0.02 98.80 02:40:30 1 0.38 0.06 0.15 0.14 0.02 99.25 02:50:10 all 6.76 0.00 1.05 0.38 0.03 91.77 02:50:10 0 6.14 0.00 0.95 0.53 0.03 92.36 02:50:10 1 7.39 0.00 1.15 0.24 0.04 91.19 Average: all 1.34 0.03 0.28 0.10 0.02 98.22 Average: 0 1.33 0.05 0.26 0.13 0.02 98.21 Average: 1 1.36 0.01 0.30 0.07 0.03 98.24