---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-23960 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 145G 7% / 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 678 26404 4 5009 30945 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:12:a1:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84291sec preferred_lft 84291sec inet6 fe80::f816:3eff:fe12:a14b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:41:19:82:4d:70 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-23960) 06/05/26 _x86_64_ (8 CPU) 10:12:25 LINUX RESTART (8 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:11 1.35 0.01 1.34 0.00 0.60 15.70 0.39 10:40:11 70.25 3.88 64.49 1.88 242.78 12382.12 4070.72 Average: 35.50 1.93 32.64 0.93 120.64 6145.13 2017.86 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:11 30108408 31883032 501832 1.53 61688 2049744 1525336 4.50 263620 2193512 40 10:40:11 26653360 31644900 658176 2.00 224396 4888524 1256732 3.71 697212 4925624 4 Average: 28380884 31763966 580004 1.76 143042 3469134 1391034 4.10 480416 3559568 22 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:11 ens3 0.60 0.19 0.16 0.09 0.00 0.00 0.00 0.00 10:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:11 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 10:40:11 ens3 265.51 202.12 1014.93 130.46 0.00 0.00 0.00 0.00 10:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 131.90 100.27 503.13 64.71 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-23960) 06/05/26 _x86_64_ (8 CPU) 10:12:25 LINUX RESTART (8 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:11 all 0.15 0.00 0.02 0.02 0.01 99.81 10:30:11 0 0.02 0.00 0.03 0.02 0.02 99.91 10:30:11 1 0.01 0.00 0.01 0.03 0.01 99.94 10:30:11 2 0.65 0.00 0.01 0.00 0.01 99.33 10:30:11 3 0.40 0.00 0.01 0.09 0.00 99.50 10:30:11 4 0.03 0.00 0.04 0.00 0.02 99.91 10:30:11 5 0.03 0.00 0.01 0.00 0.00 99.95 10:30:11 6 0.01 0.00 0.01 0.00 0.00 99.97 10:30:11 7 0.01 0.00 0.01 0.00 0.00 99.98 10:40:11 all 24.20 0.00 1.12 0.30 0.05 74.32 10:40:11 0 24.47 0.00 1.43 0.17 0.06 73.87 10:40:11 1 25.56 0.00 1.03 0.18 0.05 73.18 10:40:11 2 19.87 0.00 0.87 0.04 0.05 79.16 10:40:11 3 30.88 0.00 1.22 0.99 0.06 66.85 10:40:11 4 20.44 0.00 1.06 0.23 0.05 78.21 10:40:11 5 24.52 0.00 1.21 0.26 0.05 73.96 10:40:11 6 24.57 0.00 1.12 0.54 0.05 73.72 10:40:11 7 23.30 0.00 1.03 0.03 0.05 75.59 Average: all 12.06 0.00 0.56 0.16 0.03 87.19 Average: 0 12.14 0.00 0.72 0.10 0.04 87.00 Average: 1 12.66 0.00 0.52 0.10 0.03 86.69 Average: 2 10.17 0.00 0.44 0.02 0.03 89.35 Average: 3 15.48 0.00 0.61 0.53 0.03 83.35 Average: 4 10.15 0.00 0.55 0.12 0.04 89.15 Average: 5 12.16 0.00 0.61 0.13 0.03 87.08 Average: 6 12.17 0.00 0.56 0.27 0.03 86.97 Average: 7 11.54 0.00 0.52 0.02 0.03 87.90