---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1413 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.99 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 23G 133G 15% / 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 861 14524 4 16705 30762 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:5b:3c:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.173/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84898sec preferred_lft 84898sec inet6 fe80::f816:3eff:fe5b:3cb6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:bf:61:6a:48:2c 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::d8bf:61ff:fe6a:482c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1413) 05/19/26 _x86_64_ (8 CPU) 19:09:46 LINUX RESTART (8 CPU) 19:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:35 48.90 10.73 36.95 1.22 1406.33 8917.71 3945.79 19:30:06 191.97 0.67 183.09 8.21 47.20 47030.25 45844.55 Average: 116.70 5.97 106.20 4.53 762.22 26979.89 23802.33 19:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:35 26052932 29187792 3127860 9.52 125492 3287072 3197588 9.43 530816 5883816 2172 19:30:06 16425944 29895076 2346556 7.14 387260 12621460 2740964 8.08 4070856 11144588 3324 Average: 21239438 29541434 2737208 8.33 256376 7954266 2969276 8.76 2300836 8514202 2748 19:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:35 lo 5.02 5.02 1.95 1.95 0.00 0.00 0.00 0.00 19:20:35 ens3 145.10 103.97 1413.34 34.75 0.00 0.00 0.00 0.00 19:20:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:06 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 19:30:06 ens3 123.91 94.81 2117.22 12.48 0.00 0.00 0.00 0.00 19:30:06 docker0 6.83 8.90 0.68 207.73 0.00 0.00 0.00 0.00 Average: lo 3.08 3.08 1.07 1.07 0.00 0.00 0.00 0.00 Average: ens3 135.06 99.63 1746.92 24.20 0.00 0.00 0.00 0.00 Average: docker0 3.24 4.22 0.32 98.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1413) 05/19/26 _x86_64_ (8 CPU) 19:09:46 LINUX RESTART (8 CPU) 19:10:00 CPU %user %nice %system %iowait %steal %idle 19:20:35 all 37.08 0.00 1.15 0.30 0.09 61.38 19:20:35 0 31.69 0.00 1.35 0.75 0.09 66.12 19:20:35 1 38.58 0.00 1.22 0.36 0.10 59.75 19:20:35 2 43.24 0.00 1.24 0.22 0.10 55.21 19:20:35 3 38.69 0.00 1.08 0.69 0.09 59.45 19:20:35 4 35.92 0.00 1.00 0.06 0.09 62.92 19:20:35 5 37.37 0.00 1.05 0.11 0.10 61.37 19:20:35 6 39.31 0.00 1.23 0.14 0.09 59.24 19:20:35 7 31.86 0.00 1.03 0.09 0.09 66.94 19:30:06 all 15.56 0.00 2.80 0.87 0.08 80.70 19:30:06 0 14.90 0.00 2.58 1.15 0.08 81.30 19:30:06 1 13.96 0.00 3.55 1.07 0.08 81.34 19:30:06 2 16.96 0.00 2.90 0.63 0.08 79.43 19:30:06 3 14.64 0.00 3.05 0.65 0.08 81.58 19:30:06 4 17.45 0.00 2.53 1.26 0.08 78.69 19:30:06 5 14.60 0.00 2.72 1.23 0.07 81.38 19:30:06 6 16.30 0.00 2.72 0.65 0.07 80.25 19:30:06 7 15.66 0.00 2.32 0.31 0.07 81.64 Average: all 26.90 0.00 1.93 0.57 0.08 70.52 Average: 0 23.74 0.00 1.93 0.94 0.08 73.30 Average: 1 26.95 0.00 2.32 0.69 0.09 69.95 Average: 2 30.80 0.00 2.02 0.41 0.09 66.67 Average: 3 27.32 0.00 2.01 0.67 0.08 69.92 Average: 4 27.19 0.00 1.72 0.63 0.09 70.38 Average: 5 26.59 0.00 1.84 0.64 0.09 70.85 Average: 6 28.43 0.00 1.93 0.38 0.08 69.18 Average: 7 24.19 0.00 1.64 0.19 0.08 73.90