---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8790 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 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 xtopology 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 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.5G 12G 40% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 490 5399 0 2086 7207 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:c9:d7:f4 brd ff:ff:ff:ff:ff:ff inet 10.32.7.26/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fec9:d7f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8790) 03/13/26 _x86_64_ (4 CPU) 19:12:56 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 152.63 69.66 82.97 4359.88 40747.10 19:15:02 67.98 12.79 55.19 309.58 8946.46 19:16:01 61.07 6.78 54.30 420.13 6882.77 19:17:01 23.28 0.42 22.86 37.86 4430.99 Average: 76.31 22.48 53.83 1285.51 15287.38 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5973480 7394424 2193940 26.86 37100 1563880 720880 7.82 606408 1424992 84400 19:15:02 5589044 7245156 2578376 31.57 57264 1763148 866632 9.40 780232 1604224 101160 19:16:01 5538828 7385600 2628592 32.18 62644 1943744 687784 7.46 715016 1709964 112724 19:17:01 5551168 7406076 2616252 32.03 64676 1949568 661956 7.18 702044 1708812 14024 Average: 5663130 7357814 2504290 30.66 55421 1805085 734313 7.97 700925 1611998 78077 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 19:14:01 ens3 422.79 243.69 1510.58 66.60 0.00 0.00 0.00 0.00 19:15:02 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 19:15:02 ens3 76.83 61.60 464.23 18.36 0.00 0.00 0.00 0.00 19:16:01 lo 1.59 1.59 0.14 0.14 0.00 0.00 0.00 0.00 19:16:01 ens3 266.38 285.92 1241.24 566.95 0.00 0.00 0.00 0.00 19:17:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 19:17:01 ens3 39.43 26.73 35.16 17.26 0.00 0.00 0.00 0.00 Average: lo 1.25 1.25 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 201.08 153.93 811.01 165.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8790) 03/13/26 _x86_64_ (4 CPU) 19:12:56 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 23.20 0.00 3.00 4.84 1.50 67.47 19:14:01 0 15.70 0.00 1.28 0.52 0.90 81.61 19:14:01 1 18.63 0.00 4.50 8.18 1.55 67.14 19:14:01 2 42.86 0.00 3.25 7.79 2.20 43.89 19:14:01 3 15.61 0.00 2.95 2.87 1.37 77.20 19:15:02 all 26.71 0.00 1.71 1.55 1.66 68.37 19:15:02 0 12.48 0.00 0.83 0.07 1.33 85.30 19:15:02 1 29.26 0.00 1.94 1.94 1.69 65.16 19:15:02 2 39.50 0.00 2.78 4.14 1.95 51.64 19:15:02 3 25.63 0.00 1.28 0.08 1.68 71.34 19:16:01 all 38.21 0.00 1.97 1.30 2.70 55.81 19:16:01 0 54.32 0.00 2.06 0.67 2.82 40.13 19:16:01 1 36.62 0.00 2.02 2.32 3.04 55.99 19:16:01 2 27.12 0.00 1.74 0.14 2.38 68.62 19:16:01 3 34.78 0.00 2.11 2.03 2.57 58.51 19:17:01 all 20.88 0.00 1.16 0.70 1.02 76.24 19:17:01 0 25.57 0.00 1.06 0.17 0.98 72.21 19:17:01 1 5.18 0.00 0.75 1.98 0.58 91.50 19:17:01 2 13.23 0.00 1.36 0.02 1.23 84.17 19:17:01 3 39.55 0.00 1.43 0.67 1.30 57.05 Average: all 27.21 0.00 1.96 2.10 1.72 67.01 Average: 0 26.91 0.00 1.31 0.35 1.50 69.92 Average: 1 22.40 0.00 2.30 3.61 1.71 69.98 Average: 2 30.66 0.00 2.28 3.03 1.94 62.09 Average: 3 28.87 0.00 1.94 1.41 1.73 66.05