---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2975 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 465 5322 0 2188 7228 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:7f:b0:7e brd ff:ff:ff:ff:ff:ff inet 10.32.6.145/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fe7f:b07e/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-2975) 09/06/25 _x86_64_ (4 CPU) 07:38:52 LINUX RESTART (4 CPU) 07:39:01 tps rtps wtps bread/s bwrtn/s 07:40:01 139.12 54.72 84.41 3597.33 40397.48 07:41:01 64.02 12.50 51.52 269.02 8691.22 07:42:01 83.89 5.88 78.01 394.67 11505.36 07:43:01 27.30 1.17 26.13 94.92 3724.71 Average: 78.58 18.57 60.02 1089.06 16080.52 07:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 5973948 7397252 2193472 26.86 37040 1566016 718068 7.79 603116 1427788 87732 07:41:01 5702652 7356036 2464768 30.18 56956 1760508 840996 9.13 664936 1605792 124780 07:42:01 5035556 6971312 3131864 38.35 65640 2025016 995596 10.80 1104740 1811668 63348 07:43:01 5445700 7395716 2721720 33.32 68328 2036720 696112 7.55 698316 1810380 10248 Average: 5539464 7280079 2627956 32.18 56991 1847065 812693 8.82 767777 1663907 71527 07:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 ens3 376.74 209.90 1408.19 64.59 0.00 0.00 0.00 0.00 07:40:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:41:01 ens3 77.49 43.13 426.79 10.33 0.00 0.00 0.00 0.00 07:41:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:42:01 ens3 512.66 562.36 3147.78 93.29 0.00 0.00 0.00 0.00 07:42:01 lo 1.28 1.28 0.16 0.16 0.00 0.00 0.00 0.00 07:43:01 ens3 60.31 42.21 81.11 15.62 0.00 0.00 0.00 0.00 07:43:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 256.81 214.41 1266.05 45.96 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2975) 09/06/25 _x86_64_ (4 CPU) 07:38:52 LINUX RESTART (4 CPU) 07:39:01 CPU %user %nice %system %iowait %steal %idle 07:40:01 all 22.66 0.00 2.70 4.27 1.29 69.08 07:40:01 0 10.22 0.00 2.07 6.38 0.77 80.56 07:40:01 1 31.13 0.00 4.65 6.66 1.70 55.86 07:40:01 2 22.58 0.00 1.79 1.07 1.29 73.28 07:40:01 3 26.74 0.00 2.29 2.99 1.35 66.62 07:41:01 all 23.64 0.00 1.47 1.70 1.21 71.96 07:41:01 0 7.20 0.00 0.53 4.37 0.70 87.20 07:41:01 1 25.05 0.00 1.73 1.63 1.25 70.34 07:41:01 2 42.29 0.00 2.14 0.43 1.60 53.54 07:41:01 3 19.99 0.00 1.46 0.40 1.33 76.82 07:42:01 all 48.02 0.00 2.28 0.63 2.93 46.14 07:42:01 0 49.89 0.00 2.33 0.45 3.07 44.26 07:42:01 1 49.76 0.00 1.90 1.08 2.76 44.50 07:42:01 2 50.41 0.00 2.74 0.85 3.11 42.90 07:42:01 3 42.04 0.00 2.15 0.12 2.78 52.91 07:43:01 all 21.76 0.00 1.04 0.80 0.92 75.49 07:43:01 0 50.35 0.00 1.57 2.03 1.68 44.37 07:43:01 1 8.46 0.00 0.83 1.03 0.47 89.20 07:43:01 2 10.06 0.00 0.87 0.03 0.70 88.34 07:43:01 3 18.13 0.00 0.90 0.10 0.83 80.04 Average: all 29.03 0.00 1.87 1.85 1.59 65.66 Average: 0 29.44 0.00 1.62 3.30 1.56 64.07 Average: 1 28.61 0.00 2.28 2.60 1.54 64.97 Average: 2 31.36 0.00 1.89 0.60 1.67 64.49 Average: 3 26.72 0.00 1.70 0.90 1.57 69.11