---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1231 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 7.7G 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 460 5296 0 2219 7233 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:6c:fe:7f brd ff:ff:ff:ff:ff:ff inet 10.32.7.174/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe6c:fe7f/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-1231) 12/20/25 _x86_64_ (4 CPU) 07:38:55 LINUX RESTART (4 CPU) 07:39:01 tps rtps wtps bread/s bwrtn/s 07:40:01 156.02 72.07 83.95 4387.00 40514.46 07:41:01 68.74 12.46 56.27 264.36 9785.17 07:42:01 73.42 5.88 67.54 393.67 10402.93 07:43:01 31.38 0.83 30.55 87.16 4279.06 Average: 82.39 22.81 59.58 1282.95 16244.41 07:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 5995248 7415776 2172164 26.60 36560 1564116 707388 7.68 585416 1425348 85740 07:41:01 5693356 7353296 2474056 30.29 57080 1767304 842548 9.14 667296 1612292 104896 07:42:01 5108260 6983112 3059152 37.46 64520 1966948 1008144 10.94 1073472 1774236 6756 07:43:01 5456392 7438752 2711020 33.19 68268 2068372 655716 7.11 653476 1842796 27056 Average: 5563314 7297734 2604098 31.88 56607 1841685 803449 8.72 744915 1663668 56112 07:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 07:40:01 ens3 442.81 242.53 1461.30 66.09 0.00 0.00 0.00 0.00 07:41:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 07:41:01 ens3 83.15 54.09 468.32 13.58 0.00 0.00 0.00 0.00 07:42:01 lo 1.60 1.60 0.18 0.18 0.00 0.00 0.00 0.00 07:42:01 ens3 480.39 486.07 3027.16 88.48 0.00 0.00 0.00 0.00 07:43:01 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 07:43:01 ens3 117.72 127.70 607.07 25.96 0.00 0.00 0.00 0.00 Average: lo 1.18 1.18 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 281.00 227.59 1390.90 48.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1231) 12/20/25 _x86_64_ (4 CPU) 07:38:55 LINUX RESTART (4 CPU) 07:39:01 CPU %user %nice %system %iowait %steal %idle 07:40:01 all 20.97 0.00 2.62 5.25 2.60 68.56 07:40:01 0 19.81 0.00 2.51 12.55 2.63 62.50 07:40:01 1 20.33 0.00 1.44 1.10 1.91 75.23 07:40:01 2 15.04 0.00 4.56 3.97 3.10 73.34 07:40:01 3 28.74 0.00 1.95 3.36 2.75 63.20 07:41:01 all 22.87 0.00 1.30 1.92 1.83 72.07 07:41:01 0 42.46 0.00 2.38 0.56 3.10 51.50 07:41:01 1 20.31 0.00 0.90 0.50 1.49 76.80 07:41:01 2 13.69 0.00 1.05 6.34 1.46 77.47 07:41:01 3 14.92 0.00 0.88 0.28 1.28 82.64 07:42:01 all 41.80 0.00 1.96 1.10 5.97 49.17 07:42:01 0 37.16 0.00 1.98 1.60 6.00 53.26 07:42:01 1 47.12 0.00 2.34 0.72 5.88 43.94 07:42:01 2 35.40 0.00 1.67 0.90 5.86 56.17 07:42:01 3 47.59 0.00 1.86 1.17 6.14 43.24 07:43:01 all 22.63 0.00 1.22 0.80 1.68 73.68 07:43:01 0 16.87 0.00 1.28 0.81 1.25 79.79 07:43:01 1 34.76 0.00 1.26 0.18 1.66 62.13 07:43:01 2 5.44 0.00 0.89 2.04 1.80 89.83 07:43:01 3 33.58 0.00 1.43 0.15 2.02 62.82 Average: all 27.10 0.00 1.78 2.26 3.03 65.83 Average: 0 29.12 0.00 2.04 3.88 3.25 61.71 Average: 1 30.66 0.00 1.49 0.63 2.74 64.49 Average: 2 17.44 0.00 2.04 3.30 3.06 74.15 Average: 3 31.25 0.00 1.53 1.24 3.05 62.93