---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1316 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.8G 12G 41% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 425 1212 0 2306 3251 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:74:66:fd brd ff:ff:ff:ff:ff:ff inet 10.32.7.85/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86022sec preferred_lft 86022sec inet6 fe80::f816:3eff:fe74:66fd/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-1316) 07/26/25 _x86_64_ (4 CPU) 02:56:54 LINUX RESTART (4 CPU) 02:57:01 tps rtps wtps bread/s bwrtn/s 02:58:02 138.31 55.77 82.54 3636.86 39764.99 02:59:01 55.52 0.22 55.30 27.11 9240.47 03:00:01 46.11 12.36 33.74 243.83 6659.56 03:01:01 9.80 0.00 9.80 0.00 373.00 03:02:01 52.36 0.40 51.96 14.40 9029.03 03:03:01 23.05 0.70 22.35 77.87 4641.73 Average: 54.19 11.61 42.58 668.48 11624.95 02:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:02 1943984 3351136 2094660 51.87 36116 1535272 638364 12.55 541764 1396800 72836 02:59:01 1693540 3345084 2345104 58.07 55676 1744344 631924 12.42 549912 1605636 123876 03:00:01 1493996 3213352 2544648 63.01 58760 1807400 747348 14.69 700500 1651172 1772 03:01:01 1481620 3208508 2557024 63.31 60716 1811844 747348 14.69 707484 1654936 1772 03:02:01 1192684 3279296 2845960 70.47 65840 2158936 672516 13.22 654088 1981708 116228 03:03:01 1209092 3295420 2829552 70.06 67828 2156616 650916 12.80 643404 1976136 10344 Average: 1502486 3282133 2536158 62.80 57489 1869069 681403 13.39 632859 1711065 54471 02:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:58:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 02:58:02 ens3 246.83 163.86 1126.47 61.67 0.00 0.00 0.00 0.00 02:59:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 02:59:01 ens3 36.82 29.01 531.66 4.00 0.00 0.00 0.00 0.00 03:00:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 03:00:01 ens3 104.87 103.47 919.02 21.04 0.00 0.00 0.00 0.00 03:01:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:01:01 ens3 58.59 85.02 62.19 13.43 0.00 0.00 0.00 0.00 03:02:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:02:01 ens3 594.20 504.97 4043.26 74.64 0.00 0.00 0.00 0.00 03:03:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 03:03:01 ens3 11.45 12.63 9.19 6.04 0.00 0.00 0.00 0.00 Average: lo 0.66 0.66 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 175.85 150.17 1116.96 30.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1316) 07/26/25 _x86_64_ (4 CPU) 02:56:54 LINUX RESTART (4 CPU) 02:57:01 CPU %user %nice %system %iowait %steal %idle 02:58:02 all 20.83 0.00 2.50 5.21 2.56 68.91 02:58:02 0 15.33 0.00 1.75 9.14 2.83 70.95 02:58:02 1 19.26 0.00 1.37 1.45 1.87 76.05 02:58:02 2 31.75 0.00 2.55 7.12 3.10 55.49 02:58:02 3 17.00 0.00 4.31 3.05 2.44 73.19 02:59:01 all 20.21 0.00 1.22 2.09 1.61 74.87 02:59:01 0 5.61 0.00 0.72 7.02 1.51 85.14 02:59:01 1 12.60 0.00 0.66 0.22 1.08 85.45 02:59:01 2 41.32 0.00 2.13 0.97 2.75 52.83 02:59:01 3 21.28 0.00 1.40 0.13 1.06 76.12 03:00:01 all 14.96 0.00 0.77 0.84 1.97 81.46 03:00:01 0 15.68 0.00 0.65 1.04 2.32 80.31 03:00:01 1 19.39 0.00 0.74 0.33 2.08 77.46 03:00:01 2 15.29 0.00 1.04 0.96 2.25 80.46 03:00:01 3 9.45 0.00 0.65 1.04 1.24 87.61 03:01:01 all 4.22 0.00 0.35 0.03 0.53 94.87 03:01:01 0 2.90 0.00 0.25 0.10 0.38 96.37 03:01:01 1 4.36 0.00 0.60 0.00 0.62 94.42 03:01:01 2 2.63 0.00 0.32 0.00 0.55 96.50 03:01:01 3 7.00 0.00 0.23 0.00 0.57 92.20 03:02:01 all 20.27 0.00 1.58 0.72 2.59 74.84 03:02:01 0 16.81 0.00 1.47 1.24 2.14 78.34 03:02:01 1 29.25 0.00 1.49 0.08 2.37 66.80 03:02:01 2 10.39 0.00 1.31 1.31 3.57 83.42 03:02:01 3 24.72 0.00 2.05 0.25 2.29 70.69 03:03:01 all 20.14 0.00 0.94 0.94 1.41 76.57 03:03:01 0 10.82 0.00 0.95 2.26 0.71 85.26 03:03:01 1 0.66 0.00 0.21 0.76 1.17 97.19 03:03:01 2 27.47 0.00 1.30 0.54 2.00 68.69 03:03:01 3 41.67 0.00 1.25 0.22 1.76 55.10 Average: all 16.78 0.00 1.23 1.64 1.78 78.57 Average: 0 11.21 0.00 0.97 3.47 1.65 82.69 Average: 1 14.26 0.00 0.85 0.48 1.53 82.88 Average: 2 21.44 0.00 1.44 1.82 2.37 72.92 Average: 3 20.19 0.00 1.65 0.79 1.57 75.81