---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25614 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): 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 67G 15% / 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 748 9613 4 5627 14898 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:aa:90:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84284sec preferred_lft 84284sec inet6 fe80::f816:3eff:feaa:9083/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:b7:e9:9c:d7:53 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-4c-4g-25614) 06/07/26 _x86_64_ (4 CPU) 06:26:19 LINUX RESTART (4 CPU) 06:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 21.55 2.70 17.69 1.16 149.86 4415.95 2792.20 06:50:09 33.66 0.05 30.08 3.52 1.34 3181.49 20533.67 07:00:09 24.37 0.30 21.46 2.61 11.84 5631.27 83395.76 Average: 26.59 1.00 23.14 2.44 53.62 4403.51 35659.08 06:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9873460 13560368 2396360 14.64 153652 3623416 2661832 15.28 691796 5359924 11440 06:50:09 8394156 12721056 3231620 19.74 179120 4189396 3646828 20.93 835716 6678656 110636 07:00:09 9973452 15374060 572436 3.50 200940 5177372 1108668 6.36 913736 4923300 12 Average: 9413689 13885161 2066805 12.62 177904 4330061 2472443 14.19 813749 5653960 40696 06:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 578.76 578.76 551.34 551.34 0.00 0.00 0.00 0.00 06:40:01 ens3 98.13 77.05 841.33 15.40 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:09 lo 1678.56 1678.56 1600.01 1600.01 0.00 0.00 0.00 0.00 06:50:09 ens3 44.15 34.45 115.78 10.61 0.00 0.00 0.00 0.00 06:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:09 lo 79.08 79.08 66.20 66.20 0.00 0.00 0.00 0.00 07:00:09 ens3 69.05 65.38 116.71 200.38 0.00 0.00 0.00 0.00 07:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 784.18 784.18 744.32 744.32 0.00 0.00 0.00 0.00 Average: ens3 70.18 58.75 354.41 75.43 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-4c-4g-25614) 06/07/26 _x86_64_ (4 CPU) 06:26:19 LINUX RESTART (4 CPU) 06:30:09 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 52.84 0.00 1.84 0.07 0.07 45.18 06:40:01 0 52.39 0.00 1.67 0.07 0.07 45.80 06:40:01 1 52.19 0.00 1.55 0.04 0.08 46.14 06:40:01 2 54.50 0.00 2.15 0.07 0.07 43.21 06:40:01 3 52.27 0.00 1.99 0.10 0.07 45.57 06:50:09 all 60.30 0.00 2.64 0.07 0.09 36.89 06:50:09 0 59.50 0.00 2.64 0.06 0.09 37.71 06:50:09 1 61.87 0.00 2.62 0.12 0.09 35.31 06:50:09 2 61.46 0.00 2.60 0.05 0.09 35.79 06:50:09 3 58.37 0.00 2.72 0.06 0.09 38.76 07:00:09 all 45.61 0.00 1.58 0.07 0.07 52.68 07:00:09 0 47.88 0.00 1.51 0.05 0.06 50.50 07:00:09 1 43.72 0.00 1.54 0.05 0.06 54.63 07:00:09 2 47.98 0.00 1.81 0.09 0.07 50.06 07:00:09 3 42.84 0.00 1.46 0.10 0.07 55.52 Average: all 52.94 0.00 2.02 0.07 0.08 44.88 Average: 0 53.29 0.00 1.94 0.06 0.07 44.64 Average: 1 52.63 0.00 1.91 0.07 0.08 45.32 Average: 2 54.67 0.00 2.19 0.07 0.08 42.99 Average: 3 51.18 0.00 2.06 0.09 0.08 46.59