---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1096 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: 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 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 463 5292 0 2219 7232 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:0a:c0:84 brd ff:ff:ff:ff:ff:ff inet 10.32.7.152/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fe0a:c084/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1096) 05/17/26 _x86_64_ (4 CPU) 07:04:55 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 152.50 65.11 87.39 4258.71 40972.76 07:07:01 82.68 31.35 51.33 1741.26 8971.09 07:08:01 46.08 10.83 35.24 636.96 7661.79 07:09:01 24.59 0.35 24.24 33.72 5985.34 Average: 76.44 26.89 49.54 1667.40 15927.35 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5964948 7412808 2202472 26.97 38432 1588664 704720 7.65 592788 1445424 100328 07:07:01 5583500 7303444 2583920 31.64 58520 1824692 801652 8.70 719696 1666384 110544 07:08:01 5447700 7432304 2719720 33.30 65140 2075836 651156 7.07 718952 1789528 163680 07:09:01 5448580 7433832 2718840 33.29 67228 2074592 659036 7.15 723844 1784996 10124 Average: 5611182 7395597 2556238 31.30 57330 1890946 704141 7.64 688820 1671583 96169 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 07:06:02 ens3 462.25 255.68 1542.36 65.83 0.00 0.00 0.00 0.00 07:07:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 76.92 64.85 558.21 17.45 0.00 0.00 0.00 0.00 07:08:01 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 201.55 189.60 1749.18 693.15 0.00 0.00 0.00 0.00 07:09:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 07:09:01 ens3 12.65 13.25 10.32 6.16 0.00 0.00 0.00 0.00 Average: lo 1.18 1.18 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 188.81 131.12 966.70 196.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1096) 05/17/26 _x86_64_ (4 CPU) 07:04:55 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 21.91 0.00 2.59 4.75 1.89 68.87 07:06:02 0 24.21 0.00 4.64 4.39 1.77 64.98 07:06:02 1 21.43 0.00 1.48 2.26 1.35 73.48 07:06:02 2 28.22 0.00 2.24 4.19 1.92 63.43 07:06:02 3 13.83 0.00 1.98 8.12 2.51 73.57 07:07:01 all 23.92 0.00 1.58 2.31 2.09 70.10 07:07:01 0 19.89 0.00 1.28 1.43 1.78 75.62 07:07:01 1 10.11 0.00 0.95 2.80 1.11 85.02 07:07:01 2 39.80 0.00 2.41 0.40 2.51 54.87 07:07:01 3 25.84 0.00 1.67 4.56 2.94 64.98 07:08:01 all 35.22 0.00 1.81 1.11 2.99 58.87 07:08:01 0 25.62 0.00 1.45 1.39 2.97 68.57 07:08:01 1 33.22 0.00 1.79 1.85 2.81 60.33 07:08:01 2 51.37 0.00 2.07 0.18 3.26 43.12 07:08:01 3 30.67 0.00 1.94 1.05 2.94 63.40 07:09:01 all 20.75 0.00 1.07 0.80 1.19 76.19 07:09:01 0 0.67 0.00 0.42 1.55 0.71 96.66 07:09:01 1 29.09 0.00 1.46 0.80 1.44 67.21 07:09:01 2 35.69 0.00 1.18 0.18 1.30 61.65 07:09:01 3 17.54 0.00 1.21 0.70 1.29 79.26 Average: all 25.46 0.00 1.76 2.24 2.04 68.50 Average: 0 17.60 0.00 1.95 2.19 1.81 76.44 Average: 1 23.53 0.00 1.42 1.92 1.68 71.44 Average: 2 38.77 0.00 1.97 1.24 2.25 55.77 Average: 3 21.95 0.00 1.70 3.61 2.42 70.32