---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9384 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 7.7G 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 474 5282 0 2218 7219 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:db:f0:fd brd ff:ff:ff:ff:ff:ff inet 10.32.6.111/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:fedb:f0fd/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-9384) 08/28/26 _x86_64_ (4 CPU) 19:12:51 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 138.31 54.69 83.62 3588.47 41235.94 19:15:01 50.68 0.27 50.42 33.59 9472.58 19:16:01 79.75 18.43 61.32 674.29 10378.40 19:17:01 22.74 1.45 21.29 98.77 4420.39 Average: 72.87 18.71 54.16 1098.69 16376.04 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5965664 7406648 2201756 26.96 38336 1582052 719004 7.80 600932 1439036 86672 19:15:01 5771616 7493484 2395804 29.33 56932 1826688 614624 6.67 508340 1688940 152556 19:16:01 5448192 7417616 2719228 33.29 63504 2061868 664416 7.21 679588 1829276 99440 19:17:01 5396160 7380148 2771260 33.93 65668 2074000 695184 7.54 726272 1833992 8524 Average: 5645408 7424474 2522012 30.88 56110 1886152 673307 7.31 628783 1697811 86798 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 410.96 267.76 1500.99 68.63 0.00 0.00 0.00 0.00 19:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:15:01 ens3 32.91 30.91 509.61 4.36 0.00 0.00 0.00 0.00 19:15:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 19:16:01 ens3 253.46 256.36 1537.20 59.90 0.00 0.00 0.00 0.00 19:16:01 lo 1.57 1.57 0.16 0.16 0.00 0.00 0.00 0.00 19:17:01 ens3 47.78 56.70 25.36 527.24 0.00 0.00 0.00 0.00 19:17:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 186.27 152.92 893.24 165.04 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9384) 08/28/26 _x86_64_ (4 CPU) 19:12:51 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 22.59 0.00 1.70 4.39 1.29 70.03 19:14:01 0 30.82 0.00 1.60 5.88 1.47 60.23 19:14:01 1 19.80 0.00 2.05 7.11 1.17 69.87 19:14:01 2 12.70 0.00 1.40 3.09 1.15 81.67 19:14:01 3 26.99 0.00 1.81 1.48 1.40 68.32 19:15:01 all 20.72 0.00 1.23 1.30 0.97 75.79 19:15:01 0 2.71 0.00 0.73 4.78 0.53 91.25 19:15:01 1 25.01 0.00 1.75 0.25 1.01 71.98 19:15:01 2 45.62 0.00 1.92 0.13 1.38 50.95 19:15:01 3 9.65 0.00 0.51 0.05 0.98 88.81 19:16:01 all 39.54 0.00 2.35 1.56 3.30 53.25 19:16:01 0 37.73 0.00 2.03 2.12 3.04 55.08 19:16:01 1 39.14 0.00 1.81 0.13 3.13 55.79 19:16:01 2 47.18 0.00 3.18 0.70 3.79 45.15 19:16:01 3 34.10 0.00 2.38 3.28 3.21 57.04 19:17:01 all 20.57 0.00 1.02 0.76 0.94 76.71 19:17:01 0 9.07 0.00 0.82 1.33 0.58 88.20 19:17:01 1 44.51 0.00 1.53 0.60 1.30 52.06 19:17:01 2 10.61 0.00 1.11 0.80 1.16 86.33 19:17:01 3 18.11 0.00 0.63 0.28 0.70 80.27 Average: all 25.86 0.00 1.58 2.00 1.63 68.94 Average: 0 20.09 0.00 1.29 3.53 1.41 73.68 Average: 1 32.13 0.00 1.78 2.02 1.66 62.41 Average: 2 29.02 0.00 1.90 1.18 1.87 66.03 Average: 3 22.20 0.00 1.33 1.27 1.57 73.62