---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1605 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 8.2G 12G 43% / 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 482 4656 0 2837 7202 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:9b:ba:4c brd ff:ff:ff:ff:ff:ff inet 10.32.6.212/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86010sec preferred_lft 86010sec inet6 fe80::f816:3eff:fe9b:ba4c/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-1605) 05/23/26 _x86_64_ (4 CPU) 15:07:51 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 128.39 54.52 73.86 3586.07 32099.70 15:10:01 67.68 13.93 53.75 657.79 9949.36 15:11:01 62.56 16.26 46.29 1014.23 20753.07 15:12:01 9.30 0.00 9.30 0.00 368.34 15:13:01 42.00 2.10 39.90 110.34 8587.84 15:14:01 28.28 0.75 27.53 82.65 5021.16 Average: 56.34 14.60 41.74 909.32 12805.35 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 5950092 7390444 2217328 27.15 38188 1581152 703528 7.63 612964 1439880 101656 15:10:01 5728884 7460656 2438536 29.86 58004 1835608 609012 6.61 548016 1690216 156864 15:11:01 5005692 7233920 3161728 38.71 59696 2322876 835388 9.06 798452 2148260 1436 15:12:01 4989540 7225120 3177880 38.91 61668 2327352 843384 9.15 809192 2151804 1228 15:13:01 4848676 7440032 3318744 40.63 65996 2670700 641428 6.96 609812 2476420 102572 15:14:01 4810756 7414200 3356664 41.10 68860 2680384 653460 7.09 645588 2478912 10684 Average: 5222273 7360729 2945147 36.06 58735 2236345 714367 7.75 670671 2064249 62407 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 15:09:02 ens3 410.56 236.43 1478.85 66.95 0.00 0.00 0.00 0.00 15:10:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 15:10:01 ens3 70.46 53.09 525.28 11.86 0.00 0.00 0.00 0.00 15:11:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:11:01 ens3 301.68 197.68 7652.52 21.88 0.00 0.00 0.00 0.00 15:12:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:12:01 ens3 58.04 82.24 64.86 13.47 0.00 0.00 0.00 0.00 15:13:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:13:01 ens3 669.10 564.98 4096.96 73.04 0.00 0.00 0.00 0.00 15:14:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 15:14:01 ens3 15.78 14.85 13.14 6.71 0.00 0.00 0.00 0.00 Average: lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 254.81 191.95 2310.28 32.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1605) 05/23/26 _x86_64_ (4 CPU) 15:07:51 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 23.19 0.00 1.95 4.30 1.57 68.98 15:09:02 0 17.90 0.00 1.18 2.25 1.05 77.62 15:09:02 1 19.93 0.00 1.84 3.27 1.42 73.54 15:09:02 2 13.29 0.00 1.74 1.67 1.60 81.70 15:09:02 3 41.71 0.00 3.04 10.02 2.21 43.01 15:10:01 all 20.96 0.00 1.43 2.12 1.20 74.29 15:10:01 0 16.06 0.00 1.05 0.75 0.70 81.45 15:10:01 1 16.31 0.00 1.25 1.29 0.86 80.29 15:10:01 2 20.02 0.00 1.72 0.27 1.37 76.61 15:10:01 3 31.39 0.00 1.72 6.16 1.86 58.87 15:11:01 all 13.92 0.00 1.03 1.29 1.26 82.50 15:11:01 0 8.33 0.00 0.56 0.05 0.90 90.16 15:11:01 1 21.28 0.00 0.60 0.72 1.31 76.09 15:11:01 2 15.17 0.00 1.94 3.82 1.76 77.31 15:11:01 3 10.92 0.00 1.03 0.60 1.10 86.35 15:12:01 all 4.38 0.00 0.26 0.03 0.49 94.84 15:12:01 0 0.30 0.00 0.10 0.00 0.07 99.53 15:12:01 1 8.21 0.00 0.07 0.00 0.63 91.09 15:12:01 2 6.09 0.00 0.62 0.02 0.60 92.67 15:12:01 3 2.94 0.00 0.23 0.10 0.66 96.06 15:13:01 all 13.86 0.00 1.24 0.45 1.96 82.48 15:13:01 0 19.71 0.00 1.18 0.45 1.64 77.01 15:13:01 1 13.92 0.00 1.56 0.31 1.62 82.58 15:13:01 2 12.46 0.00 1.61 0.58 2.40 82.96 15:13:01 3 9.38 0.00 0.63 0.49 2.15 87.35 15:14:01 all 20.49 0.00 1.06 0.87 1.29 76.30 15:14:01 0 6.49 0.00 0.68 0.10 0.35 92.38 15:14:01 1 32.02 0.00 1.13 0.18 1.63 65.04 15:14:01 2 8.87 0.00 0.81 0.48 1.27 88.57 15:14:01 3 34.53 0.00 1.64 2.70 1.92 59.21 Average: all 16.12 0.00 1.16 1.51 1.30 79.91 Average: 0 11.45 0.00 0.79 0.60 0.78 86.37 Average: 1 18.62 0.00 1.07 0.96 1.25 78.10 Average: 2 12.63 0.00 1.40 1.14 1.50 83.33 Average: 3 21.77 0.00 1.38 3.33 1.65 71.87