---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10267 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 7.6G 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 476 5322 0 2177 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:58:3f:8e brd ff:ff:ff:ff:ff:ff inet 10.32.6.127/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:fe58:3f8e/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-10267) 04/01/26 _x86_64_ (4 CPU) 12:46:46 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 102.37 33.49 68.87 1124.08 5629.21 12:49:01 81.19 30.06 51.12 1682.25 8008.67 12:50:01 65.27 8.70 56.57 508.72 7248.66 12:51:01 26.50 3.40 23.10 129.25 4853.96 Average: 68.83 18.91 49.91 860.98 6434.93 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 5897240 7373412 2270172 27.80 40304 1612736 735680 7.98 638100 1461304 105632 12:49:01 5580000 7286952 2587412 31.68 58312 1812056 826976 8.97 733444 1655636 94284 12:50:01 5472540 7399944 2694872 33.00 65264 2019600 680872 7.39 736356 1748824 113268 12:51:01 5393988 7340948 2773424 33.96 67492 2036320 732612 7.95 804068 1757528 14432 Average: 5585942 7350314 2581470 31.61 57843 1870178 744035 8.07 727992 1655823 81904 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 12:48:01 ens3 391.02 198.78 1449.79 61.18 0.00 0.00 0.00 0.00 12:49:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 12:49:01 ens3 107.50 103.58 525.20 24.74 0.00 0.00 0.00 0.00 12:50:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 12:50:01 ens3 297.87 321.53 1474.22 56.19 0.00 0.00 0.00 0.00 12:51:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 12:51:01 ens3 51.15 59.24 26.79 604.36 0.00 0.00 0.00 0.00 Average: lo 0.99 0.99 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 211.86 170.77 868.90 186.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10267) 04/01/26 _x86_64_ (4 CPU) 12:46:46 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 22.25 0.00 1.74 3.97 1.61 70.44 12:48:01 0 12.86 0.00 1.26 7.77 1.15 76.95 12:48:01 1 48.46 0.00 3.22 5.08 2.44 40.80 12:48:01 2 14.73 0.00 0.98 0.33 1.51 82.45 12:48:01 3 12.92 0.00 1.45 2.69 1.35 81.60 12:49:01 all 26.18 0.00 1.79 2.32 1.98 67.73 12:49:01 0 21.44 0.00 2.26 4.53 1.84 69.92 12:49:01 1 33.21 0.00 1.58 0.61 1.81 62.78 12:49:01 2 28.32 0.00 1.75 2.83 2.51 64.59 12:49:01 3 21.75 0.00 1.61 1.31 1.76 73.57 12:50:01 all 42.38 0.00 2.25 1.09 4.25 50.04 12:50:01 0 37.46 0.00 2.24 1.58 4.03 54.70 12:50:01 1 47.96 0.00 2.09 0.70 3.81 45.44 12:50:01 2 44.47 0.00 1.92 0.31 4.43 48.87 12:50:01 3 39.63 0.00 2.69 1.76 4.74 51.18 12:51:01 all 21.14 0.00 1.10 1.05 1.08 75.63 12:51:01 0 14.63 0.00 1.06 0.38 0.73 83.19 12:51:01 1 29.48 0.00 1.72 2.53 1.02 65.26 12:51:01 2 33.41 0.00 0.85 0.15 1.11 64.48 12:51:01 3 7.18 0.00 0.84 1.14 1.45 89.39 Average: all 27.99 0.00 1.72 2.11 2.23 65.95 Average: 0 21.61 0.00 1.71 3.56 1.94 71.18 Average: 1 39.79 0.00 2.15 2.23 2.27 53.56 Average: 2 30.25 0.00 1.37 0.90 2.39 65.08 Average: 3 20.34 0.00 1.65 1.72 2.32 73.96