---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18358 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 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: 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 636 8775 4 6576 15009 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:99:b8:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84532sec preferred_lft 84532sec inet6 fe80::f816:3eff:fe99:b806/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:7c:a2:dc:b6:63 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-18358) 01/04/26 _x86_64_ (4 CPU) 10:39:26 LINUX RESTART (4 CPU) 10:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 40.75 4.61 32.94 3.20 829.66 6126.62 30937.90 11:00:11 30.51 0.02 27.19 3.29 0.34 2330.55 29964.75 11:10:14 25.42 0.19 22.33 2.89 13.16 8678.78 10265.33 Average: 32.13 1.57 27.43 3.13 274.41 5696.04 23669.46 10:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 9988256 13510076 2449052 14.96 130484 3534688 2616980 15.02 805032 5195472 17980 11:00:11 8403996 12581848 3372836 20.60 153272 4122128 3568972 20.49 968476 6583528 259728 11:10:14 8999984 15376896 569728 3.48 173692 6229924 1095808 6.29 1766672 5090724 12748 Average: 9130745 13822940 2130539 13.01 152483 4628913 2427253 13.93 1180060 5623241 96819 10:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 969.77 969.77 916.91 916.91 0.00 0.00 0.00 0.00 10:50:01 ens3 146.04 107.04 1200.56 19.74 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:11 lo 1439.64 1439.64 1370.93 1370.93 0.00 0.00 0.00 0.00 11:00:11 ens3 41.50 34.74 26.52 12.28 0.00 0.00 0.00 0.00 11:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:14 lo 481.60 481.60 447.16 447.16 0.00 0.00 0.00 0.00 11:10:14 ens3 109.51 114.27 162.25 1050.00 0.00 0.00 0.00 0.00 11:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 965.25 965.25 913.19 913.19 0.00 0.00 0.00 0.00 Average: ens3 98.33 84.95 453.97 363.00 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-18358) 01/04/26 _x86_64_ (4 CPU) 10:39:26 LINUX RESTART (4 CPU) 10:40:15 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 44.13 0.00 1.98 0.24 0.07 53.57 10:50:01 0 44.84 0.00 1.89 0.11 0.06 53.09 10:50:01 1 44.59 0.00 1.94 0.19 0.07 53.22 10:50:01 2 42.66 0.00 2.14 0.54 0.07 54.58 10:50:01 3 44.44 0.00 1.95 0.13 0.08 53.40 11:00:11 all 65.31 0.00 2.45 0.08 0.08 32.07 11:00:11 0 65.31 0.00 2.64 0.05 0.08 31.92 11:00:11 1 66.32 0.00 2.93 0.05 0.08 30.62 11:00:11 2 64.32 0.00 2.13 0.08 0.09 33.38 11:00:11 3 65.31 0.00 2.11 0.13 0.08 32.36 11:10:14 all 32.18 0.00 1.48 0.19 0.06 66.09 11:10:14 0 32.71 0.00 1.48 0.22 0.06 65.53 11:10:14 1 31.73 0.00 1.32 0.13 0.06 66.74 11:10:14 2 29.52 0.00 1.57 0.28 0.06 68.57 11:10:14 3 34.76 0.00 1.54 0.12 0.07 63.51 Average: all 47.29 0.00 1.97 0.17 0.07 50.50 Average: 0 47.69 0.00 2.01 0.13 0.07 50.10 Average: 1 47.63 0.00 2.07 0.12 0.07 50.11 Average: 2 45.57 0.00 1.95 0.30 0.07 52.12 Average: 3 48.26 0.00 1.87 0.13 0.08 49.67