---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9951 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 456 5313 0 2205 7239 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:2d:e4:75 brd ff:ff:ff:ff:ff:ff inet 10.32.6.249/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fe2d:e475/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9951) 11/22/25 _x86_64_ (4 CPU) 16:58:51 LINUX RESTART (4 CPU) 16:59:01 tps rtps wtps bread/s bwrtn/s 17:00:01 126.17 54.26 71.90 3562.56 30781.63 17:01:01 82.14 29.77 52.37 1661.85 9163.61 17:02:01 75.29 8.58 66.71 496.72 10682.89 17:03:01 23.28 0.68 22.60 77.72 3792.70 Average: 76.72 23.33 53.39 1449.98 13607.17 16:59:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:01 5947328 7377380 2220084 27.18 37328 1572532 750304 8.14 627128 1429652 89152 17:01:01 5648780 7353896 2518632 30.84 57124 1812128 832156 9.03 666060 1657736 134616 17:02:01 5422292 7386464 2745120 33.61 64176 2057660 705712 7.66 719968 1817812 85976 17:03:01 5439904 7409056 2727508 33.40 66312 2060208 686888 7.45 703496 1815548 9940 Average: 5614576 7381699 2552836 31.26 56235 1875632 743765 8.07 679163 1680187 79921 16:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:01 ens3 369.99 215.11 1456.78 65.03 0.00 0.00 0.00 0.00 17:00:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 17:01:01 ens3 63.00 36.15 421.71 10.95 0.00 0.00 0.00 0.00 17:01:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 17:02:01 ens3 343.81 365.21 2591.74 59.52 0.00 0.00 0.00 0.00 17:02:01 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 17:03:01 ens3 18.13 13.55 15.75 5.83 0.00 0.00 0.00 0.00 17:03:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 198.75 157.51 1121.51 35.34 0.00 0.00 0.00 0.00 Average: lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9951) 11/22/25 _x86_64_ (4 CPU) 16:58:51 LINUX RESTART (4 CPU) 16:59:01 CPU %user %nice %system %iowait %steal %idle 17:00:01 all 22.56 0.00 1.87 4.10 1.41 70.06 17:00:01 0 17.34 0.00 1.35 4.86 0.95 75.50 17:00:01 1 31.39 0.00 2.59 2.79 2.04 61.19 17:00:01 2 23.41 0.00 1.65 6.10 1.32 67.52 17:00:01 3 18.06 0.00 1.92 2.65 1.33 76.05 17:01:01 all 22.36 0.00 1.54 2.13 1.38 72.59 17:01:01 0 5.73 0.00 0.80 4.07 0.55 88.85 17:01:01 1 34.35 0.00 2.41 2.12 1.94 59.18 17:01:01 2 25.66 0.00 1.51 1.78 1.97 69.08 17:01:01 3 23.63 0.00 1.43 0.57 1.07 73.30 17:02:01 all 38.30 0.00 1.93 1.05 2.72 56.00 17:02:01 0 27.38 0.00 1.49 0.40 2.55 68.19 17:02:01 1 36.74 0.00 2.05 1.33 2.51 57.37 17:02:01 2 50.59 0.00 2.30 1.56 2.98 42.56 17:02:01 3 38.50 0.00 1.90 0.92 2.83 55.86 17:03:01 all 21.02 0.00 1.06 0.62 0.99 76.31 17:03:01 0 0.58 0.00 0.28 0.00 0.10 99.03 17:03:01 1 18.59 0.00 1.51 1.86 0.93 77.10 17:03:01 2 59.43 0.00 1.86 0.53 2.35 35.82 17:03:01 3 5.49 0.00 0.58 0.07 0.60 93.27 Average: all 26.06 0.00 1.60 1.97 1.63 68.73 Average: 0 12.78 0.00 0.98 2.33 1.04 82.87 Average: 1 30.27 0.00 2.14 2.03 1.86 63.71 Average: 2 39.78 0.00 1.83 2.49 2.16 53.74 Average: 3 21.41 0.00 1.46 1.05 1.46 74.62