---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1953 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 7.8G 12G 41% / 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 462 5162 0 2351 7231 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:6a:7f:f0 brd ff:ff:ff:ff:ff:ff inet 10.32.7.178/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86011sec preferred_lft 86011sec inet6 fe80::f816:3eff:fe6a:7ff0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1953) 08/02/25 _x86_64_ (4 CPU) 11:16:57 LINUX RESTART (4 CPU) 11:17:01 tps rtps wtps bread/s bwrtn/s 11:18:02 159.59 83.87 75.72 4917.98 39931.23 11:19:01 56.31 0.22 56.09 27.11 9251.04 11:20:01 64.66 29.68 34.98 1628.93 6718.61 11:21:01 9.55 0.00 9.55 0.00 374.34 11:22:01 43.21 2.15 41.06 115.14 8701.38 11:23:02 27.39 0.70 26.69 77.84 4858.51 Average: 60.13 19.49 40.64 1130.81 11645.48 11:17:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:18:02 6032780 7418924 2134632 26.14 35804 1531180 683052 7.41 580004 1393772 70188 11:19:01 5763836 7391048 2403576 29.43 54716 1738924 698392 7.58 618900 1592852 118600 11:20:01 5559020 7302496 2608392 31.94 58784 1847800 778848 8.45 716628 1694292 1716 11:21:01 5538872 7289908 2628540 32.18 60772 1852448 796588 8.64 731300 1697948 1224 11:22:01 5336648 7442060 2830764 34.66 65456 2194644 646384 7.01 613956 2003000 112348 11:23:02 5293856 7419276 2873556 35.18 67732 2211584 670160 7.27 643444 2013576 20172 Average: 5587502 7377285 2579910 31.59 57211 1896097 712237 7.73 650705 1732573 54041 11:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:18:02 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 11:18:02 ens3 360.14 200.98 1189.16 63.74 0.00 0.00 0.00 0.00 11:19:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 11:19:01 ens3 41.52 31.06 553.35 4.27 0.00 0.00 0.00 0.00 11:20:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 11:20:01 ens3 117.21 106.38 915.94 19.29 0.00 0.00 0.00 0.00 11:21:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 11:21:01 ens3 59.24 83.67 65.55 13.49 0.00 0.00 0.00 0.00 11:22:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 11:22:01 ens3 624.59 546.88 4093.81 78.20 0.00 0.00 0.00 0.00 11:23:02 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 11:23:02 ens3 11.58 12.40 9.13 5.99 0.00 0.00 0.00 0.00 Average: lo 0.78 0.78 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 202.85 163.95 1139.58 30.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1953) 08/02/25 _x86_64_ (4 CPU) 11:16:57 LINUX RESTART (4 CPU) 11:17:01 CPU %user %nice %system %iowait %steal %idle 11:18:02 all 20.23 0.00 2.70 5.83 2.83 68.42 11:18:02 0 10.00 0.00 1.93 9.22 2.43 76.41 11:18:02 1 17.09 0.00 4.68 6.57 2.14 69.53 11:18:02 2 20.16 0.00 1.89 1.43 3.38 73.14 11:18:02 3 33.65 0.00 2.33 6.14 3.36 54.52 11:19:01 all 19.79 0.00 1.21 2.30 1.75 74.95 11:19:01 0 1.81 0.00 0.64 5.80 0.91 90.85 11:19:01 1 10.45 0.00 0.73 0.10 0.69 88.03 11:19:01 2 12.03 0.00 0.73 0.25 2.39 84.60 11:19:01 3 54.85 0.00 2.73 3.05 3.00 36.36 11:20:01 all 14.45 0.00 0.85 1.66 2.86 80.19 11:20:01 0 10.55 0.00 0.94 3.67 2.47 82.37 11:20:01 1 17.12 0.00 0.72 1.31 2.61 78.23 11:20:01 2 17.81 0.00 0.92 1.00 3.62 76.65 11:20:01 3 12.28 0.00 0.80 0.64 2.72 83.56 11:21:01 all 4.64 0.00 0.30 0.04 1.60 93.41 11:21:01 0 2.42 0.00 0.12 0.05 1.76 95.65 11:21:01 1 5.18 0.00 0.22 0.00 1.13 93.47 11:21:01 2 6.10 0.00 0.40 0.00 2.14 91.36 11:21:01 3 4.88 0.00 0.50 0.12 1.36 93.16 11:22:01 all 16.24 0.00 1.45 0.45 2.53 79.33 11:22:01 0 13.56 0.00 1.21 1.11 2.44 81.68 11:22:01 1 12.08 0.00 0.99 0.20 2.05 84.68 11:22:01 2 21.52 0.00 1.90 0.22 3.31 73.05 11:22:01 3 17.82 0.00 1.69 0.30 2.33 77.86 11:23:02 all 20.14 0.00 0.94 1.13 1.77 76.03 11:23:02 0 4.32 0.00 0.61 0.96 0.93 93.18 11:23:02 1 26.45 0.00 1.41 1.05 2.46 68.62 11:23:02 2 21.84 0.00 0.73 0.26 2.05 75.13 11:23:02 3 27.91 0.00 0.99 2.22 1.64 67.24 Average: all 15.90 0.00 1.24 1.90 2.22 78.73 Average: 0 7.12 0.00 0.91 3.46 1.83 86.68 Average: 1 14.76 0.00 1.46 1.54 1.85 80.38 Average: 2 16.59 0.00 1.09 0.53 2.82 78.97 Average: 3 25.14 0.00 1.50 2.07 2.40 68.89