---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6218 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 476 5160 0 2339 7216 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:c2:07:21 brd ff:ff:ff:ff:ff:ff inet 10.32.6.9/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86015sec preferred_lft 86015sec inet6 fe80::f816:3eff:fec2:721/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6218) 10/11/25 _x86_64_ (4 CPU) 16:37:04 LINUX RESTART (4 CPU) 16:38:02 tps rtps wtps bread/s bwrtn/s 16:39:01 54.67 2.30 52.36 44.72 8650.38 16:40:01 70.72 30.14 40.58 1645.99 6940.44 16:41:01 20.61 10.16 10.45 773.87 5558.67 16:42:01 9.10 1.02 8.08 31.19 742.69 16:43:01 29.06 0.68 28.38 77.72 7755.77 Average: 36.77 8.88 27.89 516.22 5920.50 16:38:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:39:01 5853796 7428772 2313624 28.33 51196 1693992 669204 7.26 575936 1554284 85060 16:40:01 5517176 7288664 2650244 32.45 59480 1873516 827128 8.97 731064 1717704 65296 16:41:01 4420756 6317316 3746664 45.87 62880 1990992 1689764 18.34 1759320 1772056 6300 16:42:01 5277136 7373356 2890284 35.39 67296 2181524 706816 7.67 763516 1906080 203708 16:43:01 5301044 7403220 2866376 35.10 69284 2185124 671736 7.29 740680 1904976 10304 Average: 5273982 7162266 2893438 35.43 62027 1985030 912930 9.91 914103 1771020 74134 16:38:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:39:01 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 16:39:01 ens3 52.74 40.91 697.28 5.28 0.00 0.00 0.00 0.00 16:40:01 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 16:40:01 ens3 104.88 78.72 1201.88 18.96 0.00 0.00 0.00 0.00 16:41:01 lo 22.66 22.66 8.35 8.35 0.00 0.00 0.00 0.00 16:41:01 ens3 139.59 121.90 1475.17 16.58 0.00 0.00 0.00 0.00 16:42:01 lo 99.02 99.02 28.14 28.14 0.00 0.00 0.00 0.00 16:42:01 ens3 118.48 106.28 1251.44 18.91 0.00 0.00 0.00 0.00 16:43:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 16:43:01 ens3 10.83 10.98 8.63 5.36 0.00 0.00 0.00 0.00 Average: lo 24.89 24.89 7.37 7.37 0.00 0.00 0.00 0.00 Average: ens3 85.41 71.86 927.64 13.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6218) 10/11/25 _x86_64_ (4 CPU) 16:37:04 LINUX RESTART (4 CPU) 16:38:02 CPU %user %nice %system %iowait %steal %idle 16:39:01 all 19.23 0.00 1.29 2.45 1.61 75.42 16:39:01 0 13.98 0.00 0.91 0.25 0.96 83.89 16:39:01 1 29.35 0.00 1.89 0.61 1.94 66.22 16:39:01 2 9.14 0.00 1.08 2.40 1.75 85.64 16:39:01 3 24.46 0.00 1.28 6.52 1.76 65.99 16:40:01 all 18.15 0.00 1.32 1.87 3.36 75.30 16:40:01 0 15.90 0.00 1.17 0.56 3.51 78.85 16:40:01 1 31.47 0.00 2.06 2.56 3.29 60.62 16:40:01 2 12.24 0.00 1.50 4.16 3.96 78.14 16:40:01 3 13.08 0.00 0.59 0.21 2.69 83.42 16:41:01 all 38.46 0.00 1.47 0.61 7.49 51.97 16:41:01 0 36.64 0.00 1.89 0.31 7.90 53.26 16:41:01 1 33.06 0.00 1.49 0.57 7.10 57.78 16:41:01 2 44.23 0.00 1.40 0.71 7.63 46.04 16:41:01 3 39.96 0.00 1.08 0.85 7.33 50.78 16:42:01 all 31.69 0.00 1.62 0.37 5.52 60.80 16:42:01 0 29.91 0.00 2.11 0.08 5.43 62.48 16:42:01 1 27.56 0.00 0.91 0.02 4.61 66.91 16:42:01 2 44.70 0.00 1.63 0.15 6.10 47.43 16:42:01 3 24.62 0.00 1.87 1.21 5.93 66.37 16:43:01 all 19.83 0.00 0.96 1.19 2.06 75.97 16:43:01 0 28.84 0.00 0.83 0.50 2.18 67.65 16:43:01 1 19.52 0.00 1.31 2.01 1.69 75.47 16:43:01 2 15.63 0.00 0.94 1.21 1.87 80.34 16:43:01 3 15.37 0.00 0.72 1.07 2.49 80.35 Average: all 25.53 0.00 1.33 1.29 4.03 67.81 Average: 0 25.14 0.00 1.39 0.34 4.03 69.10 Average: 1 28.20 0.00 1.53 1.15 3.74 65.38 Average: 2 25.28 0.00 1.31 1.72 4.28 67.41 Average: 3 23.53 0.00 1.11 1.95 4.06 69.35