---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4514 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 833 14664 4 16594 30791 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:9f:9f:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.97/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84851sec preferred_lft 84851sec inet6 fe80::f816:3eff:fe9f:9f43/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:1c:eb:e8:7a:e0 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::2c1c:ebff:fee8:7ae0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4514) 04/07/26 _x86_64_ (8 CPU) 20:39:48 LINUX RESTART (8 CPU) 20:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:28 52.38 10.86 40.33 1.19 1424.95 17602.63 3224.30 21:00:07 183.52 0.64 174.06 8.82 44.89 45975.26 51347.92 Average: 115.32 5.96 104.51 4.85 762.57 31220.53 26322.01 20:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:28 26160368 29286056 3029400 9.22 125248 3278924 3093420 9.12 526168 5782792 2448 21:00:07 15190124 28551100 3689740 11.23 388788 12515624 2925024 8.63 4052520 12380704 140 Average: 20675246 28918578 3359570 10.22 257018 7897274 3009222 8.87 2289344 9081748 1294 20:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:28 lo 4.98 4.98 1.67 1.67 0.00 0.00 0.00 0.00 20:50:28 ens3 145.09 104.18 1417.30 21.42 0.00 0.00 0.00 0.00 20:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:07 lo 1.10 1.10 0.48 0.48 0.00 0.00 0.00 0.00 21:00:07 ens3 128.53 99.64 2003.80 13.52 0.00 0.00 0.00 0.00 21:00:07 docker0 7.52 9.88 0.71 204.48 0.00 0.00 0.00 0.00 Average: lo 3.12 3.12 1.10 1.10 0.00 0.00 0.00 0.00 Average: ens3 137.14 102.00 1698.80 17.63 0.00 0.00 0.00 0.00 Average: docker0 3.61 4.74 0.34 98.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4514) 04/07/26 _x86_64_ (8 CPU) 20:39:48 LINUX RESTART (8 CPU) 20:40:00 CPU %user %nice %system %iowait %steal %idle 20:50:28 all 37.37 0.00 1.18 0.21 0.07 61.18 20:50:28 0 34.30 0.00 1.07 0.08 0.06 64.48 20:50:28 1 41.47 0.00 1.28 0.46 0.07 56.73 20:50:28 2 34.93 0.00 1.10 0.56 0.07 63.34 20:50:28 3 41.69 0.00 1.36 0.08 0.07 56.80 20:50:28 4 38.01 0.00 1.27 0.12 0.07 60.53 20:50:28 5 35.24 0.00 1.13 0.27 0.06 63.29 20:50:28 6 36.17 0.00 1.07 0.06 0.07 62.64 20:50:28 7 37.13 0.00 1.12 0.05 0.06 61.64 21:00:07 all 17.26 0.00 2.93 0.46 0.06 79.30 21:00:07 0 16.38 0.00 3.37 0.40 0.06 79.79 21:00:07 1 20.70 0.00 3.24 0.55 0.06 75.45 21:00:07 2 18.75 0.00 2.60 0.72 0.06 77.87 21:00:07 3 11.86 0.00 2.83 0.33 0.06 84.92 21:00:07 4 16.54 0.00 2.83 0.27 0.06 80.30 21:00:07 5 13.27 0.00 2.96 0.51 0.05 83.21 21:00:07 6 16.60 0.00 2.49 0.54 0.06 80.32 21:00:07 7 24.00 0.00 3.12 0.33 0.06 72.49 Average: all 27.73 0.00 2.02 0.33 0.06 69.86 Average: 0 25.71 0.00 2.17 0.24 0.06 71.82 Average: 1 31.52 0.00 2.22 0.50 0.06 65.70 Average: 2 27.18 0.00 1.82 0.64 0.06 70.30 Average: 3 27.39 0.00 2.07 0.20 0.07 70.28 Average: 4 27.73 0.00 2.02 0.19 0.06 70.00 Average: 5 24.71 0.00 2.01 0.39 0.06 72.84 Average: 6 26.79 0.00 1.75 0.29 0.06 71.11 Average: 7 30.84 0.00 2.08 0.18 0.06 66.84