---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3905 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 16% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 656 8584 4 6748 14990 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:0e:bb:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84380sec preferred_lft 84380sec inet6 fe80::f816:3eff:fe0e:bb79/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:b2:28:e7:b6:5e 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-3905) 10/15/25 _x86_64_ (4 CPU) 20:08:38 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:17 31.33 4.22 24.06 3.06 829.21 5014.21 25035.83 20:30:01 24.28 0.02 21.33 2.93 0.18 2164.86 7488.14 20:40:17 26.75 0.10 23.81 2.85 4.68 9436.99 7213.52 Average: 27.51 1.47 23.10 2.95 283.29 5597.53 13355.34 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:17 10063884 13690804 2267108 13.85 134480 3631780 2425552 13.92 887688 5039068 33624 20:30:01 8986068 13010676 2944596 17.98 148980 3982208 3047960 17.50 1000732 5980664 29136 20:40:17 8827200 15376260 569704 3.48 175940 6392180 1084576 6.23 1865564 5154052 88 Average: 9292384 14025913 1927136 11.77 153133 4668723 2186029 12.55 1251328 5391261 20949 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:17 lo 1038.86 1038.86 983.84 983.84 0.00 0.00 0.00 0.00 20:20:17 ens3 113.84 88.00 1035.37 17.78 0.00 0.00 0.00 0.00 20:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 1147.38 1147.38 1091.85 1091.85 0.00 0.00 0.00 0.00 20:30:01 ens3 45.92 36.58 23.85 12.31 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:17 lo 719.09 719.09 2832.07 2832.07 0.00 0.00 0.00 0.00 20:40:17 ens3 82.03 77.98 125.32 604.56 0.00 0.00 0.00 0.00 20:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 965.35 965.35 1645.01 1645.01 0.00 0.00 0.00 0.00 Average: ens3 81.23 68.08 401.82 214.91 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-3905) 10/15/25 _x86_64_ (4 CPU) 20:08:38 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:17 all 44.49 0.00 2.22 0.17 0.08 53.05 20:20:17 0 44.45 0.00 2.40 0.27 0.07 52.80 20:20:17 1 44.90 0.00 2.18 0.09 0.07 52.75 20:20:17 2 43.04 0.00 2.21 0.15 0.07 54.53 20:20:17 3 45.56 0.00 2.10 0.16 0.08 52.11 20:30:01 all 67.99 0.00 2.41 0.06 0.10 29.44 20:30:01 0 67.84 0.00 2.24 0.04 0.10 29.78 20:30:01 1 67.02 0.00 2.40 0.05 0.10 30.43 20:30:01 2 68.18 0.00 2.59 0.13 0.10 29.00 20:30:01 3 68.92 0.00 2.40 0.02 0.10 28.55 20:40:17 all 43.34 0.00 1.83 0.32 0.08 54.43 20:40:17 0 45.23 0.00 1.80 0.04 0.08 52.85 20:40:17 1 46.84 0.00 1.90 0.38 0.08 50.80 20:40:17 2 44.33 0.00 1.76 0.74 0.08 53.09 20:40:17 3 36.95 0.00 1.87 0.13 0.08 60.98 Average: all 51.65 0.00 2.15 0.18 0.08 45.93 Average: 0 52.23 0.00 2.15 0.12 0.08 45.42 Average: 1 52.66 0.00 2.16 0.18 0.08 44.92 Average: 2 51.55 0.00 2.18 0.34 0.08 45.84 Average: 3 50.15 0.00 2.12 0.10 0.09 47.54