---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10721 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 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 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 7.9G 30G 21% / 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 761 5222 4 2254 7180 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:b6:fb:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 76419sec preferred_lft 76419sec inet6 fe80::f816:3eff:feb6:fb47/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10721) 05/04/26 _x86_64_ (2 CPU) 00:41:46 LINUX RESTART (2 CPU) 00:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.57 0.01 1.54 0.03 0.05 18.62 448.15 01:10:00 1.60 0.25 1.33 0.02 30.60 16.74 1.39 01:20:23 1.56 0.00 1.55 0.01 0.42 70.87 0.33 01:30:01 14.56 0.00 1.53 13.03 0.15 18.82 113906.04 01:40:13 1.36 0.00 1.36 0.00 0.00 16.62 0.00 01:50:36 1.36 0.00 1.36 0.00 0.00 16.03 0.00 02:00:01 1.52 0.00 1.52 0.01 0.00 18.27 462.07 02:10:23 1.38 0.00 1.38 0.00 0.00 16.11 0.00 02:20:33 15.40 13.32 2.03 0.05 148.64 43.69 23.44 02:30:01 1.59 0.00 1.57 0.01 0.00 18.73 0.28 02:40:33 1.38 0.00 1.38 0.00 0.00 16.54 0.00 02:50:33 1.43 0.00 1.43 0.00 0.00 16.85 0.00 03:00:01 1.75 0.00 1.73 0.01 0.00 21.08 0.32 03:10:03 1.39 0.00 1.39 0.00 0.00 16.21 0.00 03:20:18 3.63 1.30 2.29 0.05 93.70 210.95 3.45 Average: 3.42 1.01 1.56 0.85 18.55 36.19 7376.44 00:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6294968 7542272 277920 3.42 30700 1422292 529616 5.77 447884 1183608 268 01:10:00 6280872 7538280 281752 3.46 31032 1431968 629512 6.86 464916 1184960 560 01:20:23 6248360 7522864 296944 3.65 31280 1448552 732656 7.98 460008 1201684 132 01:30:01 6272336 7547444 272284 3.35 31456 1448924 732640 7.98 460592 1202204 272 01:40:13 6271896 7547652 272064 3.35 31640 1449376 732704 7.98 460816 1202712 216 01:50:36 6271644 7547900 271816 3.34 31808 1449704 732704 7.98 460828 1203208 124 02:00:01 6270360 7547116 272564 3.35 31964 1450036 732704 7.98 460900 1203696 120 02:10:23 6269884 7547128 272548 3.35 32124 1450360 734184 8.00 461164 1204180 132 02:20:33 6196472 7530808 279772 3.44 36268 1494984 732712 7.98 461572 1252340 124 02:30:01 6194260 7529260 281220 3.46 36428 1495444 732712 7.98 461728 1252832 276 02:40:33 6194260 7529764 280708 3.45 36612 1495760 732972 7.98 461868 1253332 180 02:50:33 6201384 7537368 273108 3.36 36756 1496092 732968 7.98 461896 1253808 124 03:00:01 6199868 7536364 274100 3.37 36928 1496424 732968 7.98 462072 1254312 276 03:10:03 6199824 7536800 273692 3.37 37080 1496748 732972 7.98 461960 1254788 272 03:20:18 5916344 7391360 411468 5.06 47728 1617776 847012 9.23 603884 1373748 58024 Average: 6218849 7528825 286131 3.52 34654 1476296 720069 7.84 470139 1232094 4073 00:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.60 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.54 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 0.63 0.25 3.06 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.34 0.16 0.07 0.51 0.00 0.00 0.00 0.00 01:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:13 ens3 0.45 0.09 0.81 0.08 0.00 0.00 0.00 0.00 01:50:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:36 ens3 0.17 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.21 0.07 0.07 0.04 0.00 0.00 0.00 0.00 02:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:23 ens3 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:33 ens3 0.15 0.03 0.04 0.01 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 0.17 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:40:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:33 ens3 0.30 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:33 ens3 0.27 0.03 0.52 0.01 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.29 0.10 0.10 0.06 0.00 0.00 0.00 0.00 03:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:03 ens3 0.17 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:20:18 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:20:18 ens3 21.24 12.27 81.60 4.42 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 1.75 0.91 5.93 0.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10721) 05/04/26 _x86_64_ (2 CPU) 00:41:46 LINUX RESTART (2 CPU) 00:50:16 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.18 0.01 0.03 99.50 01:00:01 0 0.29 0.00 0.18 0.01 0.03 99.49 01:00:01 1 0.25 0.00 0.18 0.02 0.03 99.51 01:10:00 all 0.30 0.00 0.09 0.02 0.03 99.56 01:10:00 0 0.46 0.00 0.07 0.01 0.03 99.44 01:10:00 1 0.14 0.00 0.12 0.03 0.04 99.67 01:20:23 all 0.37 0.00 0.11 0.02 0.03 99.47 01:20:23 0 0.45 0.00 0.07 0.01 0.03 99.45 01:20:23 1 0.30 0.00 0.14 0.02 0.04 99.49 01:30:01 all 0.26 0.00 0.18 0.04 0.04 99.48 01:30:01 0 0.11 0.00 0.18 0.01 0.04 99.65 01:30:01 1 0.41 0.00 0.18 0.07 0.03 99.31 01:40:13 all 0.23 0.00 0.07 0.01 0.04 99.65 01:40:13 0 0.15 0.00 0.07 0.01 0.04 99.73 01:40:13 1 0.31 0.00 0.08 0.01 0.03 99.56 01:50:36 all 0.25 0.00 0.07 0.02 0.03 99.63 01:50:36 0 0.11 0.00 0.08 0.04 0.03 99.73 01:50:36 1 0.39 0.00 0.06 0.01 0.02 99.52 02:00:01 all 0.24 0.00 0.17 0.11 0.03 99.46 02:00:01 0 0.06 0.00 0.17 0.18 0.02 99.56 02:00:01 1 0.41 0.00 0.17 0.04 0.03 99.36 02:10:23 all 0.23 0.00 0.07 0.01 0.03 99.66 02:10:23 0 0.05 0.00 0.09 0.01 0.04 99.82 02:10:23 1 0.40 0.00 0.06 0.01 0.02 99.51 02:20:33 all 0.26 0.20 0.15 0.25 0.03 99.11 02:20:33 0 0.48 0.00 0.07 0.01 0.02 99.42 02:20:33 1 0.05 0.40 0.23 0.48 0.04 98.81 02:30:01 all 0.25 0.00 0.16 0.01 0.03 99.55 02:30:01 0 0.44 0.00 0.14 0.00 0.02 99.40 02:30:01 1 0.07 0.00 0.18 0.02 0.04 99.70 02:40:33 all 0.24 0.00 0.07 0.02 0.03 99.65 02:40:33 0 0.21 0.00 0.06 0.02 0.03 99.68 02:40:33 1 0.27 0.00 0.07 0.01 0.03 99.61 02:40:33 CPU %user %nice %system %iowait %steal %idle 02:50:33 all 0.25 0.00 0.07 0.01 0.03 99.64 02:50:33 0 0.05 0.00 0.08 0.02 0.04 99.81 02:50:33 1 0.45 0.00 0.05 0.01 0.02 99.46 03:00:01 all 0.27 0.00 0.18 0.01 0.03 99.51 03:00:01 0 0.08 0.00 0.19 0.01 0.03 99.68 03:00:01 1 0.46 0.00 0.17 0.01 0.02 99.34 03:10:03 all 0.23 0.00 0.08 0.01 0.03 99.65 03:10:03 0 0.23 0.00 0.07 0.02 0.02 99.66 03:10:03 1 0.24 0.00 0.09 0.00 0.04 99.63 03:20:18 all 1.59 0.00 0.31 0.10 0.04 97.96 03:20:18 0 1.64 0.00 0.32 0.11 0.04 97.89 03:20:18 1 1.53 0.00 0.31 0.09 0.03 98.03 Average: all 0.35 0.01 0.13 0.04 0.03 99.43 Average: 0 0.32 0.00 0.12 0.03 0.03 99.49 Average: 1 0.38 0.03 0.14 0.06 0.03 99.37