---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1147 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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: 2799.998 BogoMIPS: 5599.99 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.9G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 585 12707 0 2746 15129 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ed:1c:a7 brd ff:ff:ff:ff:ff:ff inet 10.30.107.127/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86118sec preferred_lft 86118sec inet6 fe80::f816:3eff:feed:1ca7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1147) 03/03/26 _x86_64_ (4 CPU) 03:04:29 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 141.88 14.51 127.36 312.35 47240.66 03:07:01 103.12 4.52 98.60 129.05 24722.41 03:08:01 22.15 5.68 16.46 415.66 1926.61 03:09:01 54.67 2.03 52.64 93.32 19751.11 Average: 80.45 6.69 73.77 237.59 23410.20 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13910028 15591172 2514940 15.31 70944 1804744 695140 3.98 635132 1653996 130216 03:07:01 12818692 14696904 3606276 21.96 83908 1979500 1582200 9.05 1555928 1803152 13712 03:08:01 12072256 14066768 4352712 26.50 86772 2089212 2205612 12.62 2248244 1848528 64464 03:09:01 13035704 15514576 3389264 20.63 91384 2562776 772744 4.42 981352 2143236 11404 Average: 12959170 14967355 3465798 21.10 83252 2109058 1313924 7.52 1355164 1862228 54949 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 143.71 107.88 1192.26 27.05 0.00 0.00 0.00 0.00 03:06:01 lo 1.13 1.13 0.12 0.12 0.00 0.00 0.00 0.00 03:07:01 ens3 339.69 274.04 2558.83 60.27 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:08:01 ens3 1055.82 607.73 686.44 320.93 0.00 0.00 0.00 0.00 03:08:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 03:09:01 ens3 175.80 152.21 321.99 1766.25 0.00 0.00 0.00 0.00 03:09:01 lo 3.42 3.42 0.32 0.32 0.00 0.00 0.00 0.00 Average: ens3 428.76 285.46 1189.88 543.63 0.00 0.00 0.00 0.00 Average: lo 1.32 1.32 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1147) 03/03/26 _x86_64_ (4 CPU) 03:04:29 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 15.48 0.00 1.31 3.95 0.07 79.19 03:06:01 0 2.02 0.00 0.77 12.50 0.07 84.64 03:06:01 1 26.02 0.00 1.72 1.37 0.10 70.79 03:06:01 2 12.97 0.00 1.32 1.45 0.03 84.22 03:06:01 3 20.85 0.00 1.49 0.52 0.05 77.10 03:07:01 all 34.84 0.00 1.51 0.79 0.10 62.76 03:07:01 0 23.28 0.00 1.51 1.02 0.12 74.08 03:07:01 1 26.77 0.00 1.99 0.13 0.10 71.00 03:07:01 2 33.70 0.00 1.37 1.82 0.08 63.03 03:07:01 3 55.59 0.00 1.17 0.18 0.12 42.94 03:08:01 all 40.85 0.00 5.40 0.07 0.08 53.60 03:08:01 0 40.20 0.00 3.67 0.12 0.08 55.93 03:08:01 1 36.33 0.00 2.11 0.00 0.08 61.47 03:08:01 2 50.33 0.00 8.27 0.12 0.08 41.19 03:08:01 3 36.55 0.00 7.51 0.03 0.07 55.83 03:09:01 all 28.45 0.00 1.97 1.94 0.07 67.58 03:09:01 0 27.48 0.00 2.57 3.41 0.10 66.44 03:09:01 1 18.41 0.00 1.58 0.08 0.05 79.87 03:09:01 2 26.56 0.00 1.50 3.66 0.05 68.23 03:09:01 3 41.33 0.00 2.27 0.60 0.08 55.72 Average: all 29.90 0.00 2.55 1.69 0.08 65.79 Average: 0 23.24 0.00 2.13 4.26 0.09 70.27 Average: 1 26.87 0.00 1.85 0.40 0.08 70.80 Average: 2 30.88 0.00 3.12 1.76 0.06 64.17 Average: 3 38.58 0.00 3.11 0.33 0.08 57.90