---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3874 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 756 18921 4 12414 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:c5:47:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84521sec preferred_lft 84521sec inet6 fe80::f816:3eff:fec5:479b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:cc:7c:0d:31:a5 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::98cc:7cff:fe0d:31a5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3874) 08/10/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 21.77 0.51 20.63 0.63 19.88 15360.36 257.28 00:30:09 29.30 1.87 26.39 1.04 308.11 9945.98 3450.71 Average: 25.57 1.20 23.54 0.84 165.23 12629.96 1867.69 00:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 18723940 27706104 4581828 13.94 194624 8835052 4816280 14.20 2101552 11374848 9816 00:30:09 19459160 31489240 781320 2.38 233316 11708468 1564952 4.61 3084736 9509980 412 Average: 19091550 29597672 2681574 8.16 213970 10271760 3190616 9.41 2593144 10442414 5114 00:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 249.49 249.49 243.06 243.06 0.00 0.00 0.00 0.00 00:20:01 ens3 61.95 51.65 328.15 13.91 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:09 lo 15.81 15.81 1.77 1.77 0.00 0.00 0.00 0.00 00:30:09 ens3 175.28 186.43 242.48 2716.17 0.00 0.00 0.00 0.00 00:30:09 docker0 88.22 87.07 1357.82 10.88 0.00 0.00 0.00 0.00 Average: lo 131.65 131.65 121.38 121.38 0.00 0.00 0.00 0.00 Average: ens3 119.10 119.62 284.95 1376.62 0.00 0.00 0.00 0.00 Average: docker0 44.49 43.91 684.73 5.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3874) 08/10/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:02 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 30.73 0.00 1.46 0.10 0.07 67.64 00:20:01 0 34.58 0.00 2.03 0.03 0.08 63.29 00:20:01 1 33.05 0.00 1.36 0.02 0.07 65.50 00:20:01 2 26.58 0.00 1.23 0.05 0.07 72.07 00:20:01 3 27.97 0.00 1.35 0.05 0.06 70.57 00:20:01 4 30.72 0.00 1.42 0.06 0.07 67.73 00:20:01 5 25.42 0.00 1.32 0.12 0.07 73.07 00:20:01 6 29.83 0.00 1.41 0.27 0.07 68.43 00:20:01 7 37.68 0.00 1.58 0.21 0.07 60.46 00:30:09 all 10.52 0.00 1.04 0.10 0.05 88.28 00:30:09 0 12.33 0.00 0.98 0.16 0.06 86.47 00:30:09 1 9.48 0.00 0.78 0.16 0.05 89.53 00:30:09 2 13.43 0.00 0.68 0.03 0.05 85.81 00:30:09 3 7.34 0.00 0.70 0.10 0.06 91.81 00:30:09 4 9.87 0.00 1.69 0.07 0.05 88.32 00:30:09 5 11.93 0.00 1.39 0.06 0.05 86.57 00:30:09 6 8.02 0.00 0.96 0.04 0.05 90.94 00:30:09 7 11.77 0.00 1.12 0.21 0.05 86.85 Average: all 20.53 0.00 1.25 0.10 0.06 78.06 Average: 0 23.36 0.00 1.50 0.09 0.07 74.98 Average: 1 21.16 0.00 1.07 0.09 0.06 77.62 Average: 2 19.94 0.00 0.95 0.04 0.06 79.00 Average: 3 17.56 0.00 1.02 0.07 0.06 81.28 Average: 4 20.20 0.00 1.56 0.06 0.06 78.12 Average: 5 18.62 0.00 1.36 0.09 0.06 79.88 Average: 6 18.81 0.00 1.19 0.15 0.06 79.79 Average: 7 24.60 0.00 1.35 0.21 0.06 73.79