---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2568 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: 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: 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 9.5G 68G 13% / 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 622 11233 4 4133 15024 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:9a:69:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82301sec preferred_lft 82301sec inet6 fe80::f816:3eff:fe9a:697a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:01:db:a0:6f:ff 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-2568) 10/10/25 _x86_64_ (4 CPU) 22:20:56 LINUX RESTART (4 CPU) 22:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:33 1.12 0.00 1.11 0.01 0.04 16.15 486.94 22:50:33 1.06 0.00 1.06 0.00 0.00 12.88 0.00 23:00:01 0.97 0.00 0.97 0.00 0.00 11.94 0.00 23:10:33 1.09 0.00 1.09 0.00 0.00 13.22 0.00 23:20:02 49.94 5.27 42.64 2.03 298.53 4845.25 6671.17 Average: 10.34 1.00 8.95 0.39 56.69 931.00 1369.12 22:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:33 13302428 15505132 507612 3.10 60176 2365824 1115788 6.40 465764 2326004 4 22:50:33 13301676 15504908 507924 3.10 60560 2365968 1115852 6.40 466152 2327192 168 23:00:01 13299164 15502636 510200 3.12 60816 2365968 1115852 6.40 466380 2328092 204 23:10:33 13298408 15502424 510384 3.12 61216 2366108 1115852 6.40 466780 2329292 8 23:20:02 10316324 13843892 2116436 12.93 123088 3555160 2568108 14.74 851348 4846584 57308 Average: 12703600 15171798 830511 5.07 73171 2603806 1406290 8.07 543285 2831433 11538 22:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:33 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:40:33 ens3 0.24 0.12 0.07 0.04 0.00 0.00 0.00 0.00 22:40:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:33 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:50:33 ens3 0.22 0.12 0.07 0.04 0.00 0.00 0.00 0.00 22:50:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 23:00:01 ens3 0.15 0.09 0.04 0.02 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:33 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:10:33 ens3 0.16 0.10 0.06 0.04 0.00 0.00 0.00 0.00 23:10:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:02 lo 761.26 761.26 724.69 724.69 0.00 0.00 0.00 0.00 23:20:02 ens3 116.85 85.33 1037.60 16.52 0.00 0.00 0.00 0.00 23:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 144.62 144.62 137.60 137.60 0.00 0.00 0.00 0.00 Average: ens3 22.34 16.29 197.06 3.16 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-2568) 10/10/25 _x86_64_ (4 CPU) 22:20:56 LINUX RESTART (4 CPU) 22:30:01 CPU %user %nice %system %iowait %steal %idle 22:40:33 all 0.12 0.00 0.02 1.30 0.01 98.55 22:40:33 0 0.08 0.00 0.01 5.20 0.00 94.71 22:40:33 1 0.36 0.00 0.04 0.00 0.01 99.59 22:40:33 2 0.02 0.00 0.03 0.00 0.01 99.93 22:40:33 3 0.01 0.00 0.01 0.00 0.01 99.96 22:50:33 all 0.15 0.00 0.02 0.07 0.01 99.75 22:50:33 0 0.02 0.00 0.01 0.26 0.01 99.70 22:50:33 1 0.55 0.00 0.02 0.01 0.02 99.40 22:50:33 2 0.02 0.00 0.02 0.00 0.02 99.94 22:50:33 3 0.02 0.00 0.01 0.01 0.01 99.96 23:00:01 all 0.10 0.00 0.02 0.01 0.01 99.86 23:00:01 0 0.01 0.00 0.01 0.02 0.00 99.96 23:00:01 1 0.16 0.00 0.01 0.01 0.01 99.81 23:00:01 2 0.22 0.00 0.03 0.01 0.02 99.73 23:00:01 3 0.02 0.00 0.03 0.00 0.02 99.93 23:10:33 all 0.16 0.00 0.02 0.01 0.01 99.80 23:10:33 0 0.39 0.00 0.03 0.03 0.01 99.55 23:10:33 1 0.13 0.00 0.01 0.00 0.01 99.85 23:10:33 2 0.10 0.00 0.02 0.01 0.02 99.85 23:10:33 3 0.02 0.00 0.02 0.00 0.02 99.94 23:20:02 all 35.06 0.00 1.57 0.30 0.07 63.00 23:20:02 0 34.19 0.00 1.54 0.49 0.06 63.72 23:20:02 1 33.93 0.00 1.62 0.13 0.06 64.26 23:20:02 2 36.94 0.00 1.56 0.18 0.07 61.26 23:20:02 3 35.19 0.00 1.58 0.40 0.07 62.75 Average: all 6.76 0.00 0.31 0.35 0.02 92.56 Average: 0 6.60 0.00 0.31 1.25 0.02 91.83 Average: 1 6.67 0.00 0.32 0.03 0.02 92.95 Average: 2 7.07 0.00 0.32 0.04 0.03 92.55 Average: 3 6.68 0.00 0.32 0.08 0.02 92.90