---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-38399 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5600.00 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 755 18998 4 12337 30868 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:43:01:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84410sec preferred_lft 84410sec inet6 fe80::f816:3eff:fe43:1d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:dd:b8:3d:e0:4b brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::4dd:b8ff:fe3d:e04b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-38399) 08/18/26 _x86_64_ (8 CPU) 00:36:42 LINUX RESTART (8 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:32 30.16 1.08 14.30 14.78 57.76 6249.39 482345.83 01:00:24 26.25 0.50 25.28 0.46 17.34 19577.53 844.92 Average: 28.27 0.80 19.61 7.86 38.20 12698.13 249374.48 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:32 25192800 29580880 2727384 8.30 145676 4456368 2872952 8.47 824436 6385088 164 01:00:24 17954132 29266992 3014252 9.17 213720 11054776 3064724 9.04 2861100 11292960 1066304 Average: 21573466 29423936 2870818 8.74 179698 7755572 2968838 8.75 1842768 8839024 533234 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:32 lo 5.45 5.45 0.52 0.52 0.00 0.00 0.00 0.00 00:50:32 ens3 82.63 62.22 424.84 14.92 0.00 0.00 0.00 0.00 00:50:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:24 lo 246.01 246.01 240.38 240.38 0.00 0.00 0.00 0.00 01:00:24 ens3 69.03 58.65 364.23 14.38 0.00 0.00 0.00 0.00 01:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 121.85 121.85 116.58 116.58 0.00 0.00 0.00 0.00 Average: ens3 76.05 60.49 395.51 14.66 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-38399) 08/18/26 _x86_64_ (8 CPU) 00:36:42 LINUX RESTART (8 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:32 all 37.71 0.00 1.36 0.06 0.08 60.80 00:50:32 0 31.75 0.00 1.33 0.04 0.08 66.80 00:50:32 1 35.85 0.00 1.66 0.16 0.07 62.25 00:50:32 2 40.11 0.00 1.30 0.02 0.08 58.49 00:50:32 3 37.63 0.00 1.36 0.09 0.08 60.85 00:50:32 4 41.96 0.00 1.13 0.01 0.08 56.82 00:50:32 5 40.04 0.00 1.43 0.01 0.07 58.45 00:50:32 6 37.67 0.00 1.45 0.03 0.07 60.78 00:50:32 7 36.64 0.00 1.24 0.08 0.07 61.96 01:00:24 all 19.02 0.00 1.23 0.11 0.06 79.59 01:00:24 0 13.20 0.00 1.25 0.14 0.06 85.35 01:00:24 1 20.61 0.00 1.24 0.26 0.07 77.83 01:00:24 2 17.72 0.00 1.15 0.04 0.06 81.02 01:00:24 3 17.65 0.00 1.08 0.05 0.06 81.15 01:00:24 4 27.95 0.00 1.56 0.24 0.06 70.20 01:00:24 5 20.56 0.00 1.10 0.07 0.06 78.21 01:00:24 6 12.60 0.00 1.00 0.06 0.06 86.28 01:00:24 7 21.84 0.00 1.43 0.02 0.07 76.65 Average: all 28.67 0.00 1.30 0.08 0.07 69.88 Average: 0 22.78 0.00 1.29 0.09 0.07 75.77 Average: 1 28.48 0.00 1.46 0.21 0.07 69.78 Average: 2 29.29 0.00 1.23 0.03 0.07 69.38 Average: 3 27.97 0.00 1.23 0.07 0.07 70.66 Average: 4 35.19 0.00 1.33 0.12 0.07 63.29 Average: 5 30.61 0.00 1.27 0.04 0.07 68.01 Average: 6 25.56 0.00 1.23 0.04 0.07 73.10 Average: 7 29.49 0.00 1.33 0.05 0.07 69.06