---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54192 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 13G 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 661 8776 4 6551 14985 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:81:c1:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84065sec preferred_lft 84065sec inet6 fe80::f816:3eff:fe81:c1eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:ce:80:38:3e:e8 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54192) 03/30/26 _x86_64_ (4 CPU) 06:57:48 LINUX RESTART (4 CPU) 07:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:01 27.43 3.00 21.79 2.65 163.19 3857.25 5562.61 07:20:01 25.07 0.02 22.51 2.55 0.23 2161.56 8301.95 07:30:01 16.66 0.03 15.08 1.55 0.80 3540.93 10998.73 Average: 23.06 1.02 19.79 2.25 54.74 3186.58 8287.76 07:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:01 9883404 13301828 2657308 16.23 136956 3412136 2927796 16.81 655252 5465332 20884 07:20:01 8566060 12577464 3377736 20.63 156248 3943892 3356908 19.27 787764 6588060 207688 07:30:01 5717352 10371352 5581308 34.09 167488 4552476 5242192 30.09 1009168 9182944 30084 Average: 8055605 12083548 3872117 23.65 153564 3969501 3842299 22.05 817395 7078779 86219 07:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:01 lo 1390.01 1390.01 1318.80 1318.80 0.00 0.00 0.00 0.00 07:10:01 ens3 105.82 84.91 964.23 19.58 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 lo 1148.07 1148.07 1093.49 1093.49 0.00 0.00 0.00 0.00 07:20:01 ens3 33.19 26.55 42.33 10.32 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 756.14 756.14 7379.60 7379.60 0.00 0.00 0.00 0.00 07:30:01 ens3 18.40 14.70 14.36 5.90 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1098.07 1098.07 3263.97 3263.97 0.00 0.00 0.00 0.00 Average: ens3 52.47 42.05 340.31 11.93 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54192) 03/30/26 _x86_64_ (4 CPU) 06:57:48 LINUX RESTART (4 CPU) 07:00:01 CPU %user %nice %system %iowait %steal %idle 07:10:01 all 60.08 0.00 2.37 0.09 0.12 37.34 07:10:01 0 58.58 0.00 2.37 0.09 0.12 38.84 07:10:01 1 60.28 0.00 2.52 0.08 0.13 36.99 07:10:01 2 60.60 0.00 2.08 0.10 0.13 37.10 07:10:01 3 60.86 0.00 2.49 0.11 0.12 36.42 07:20:01 all 67.19 0.00 2.41 0.09 0.15 30.17 07:20:01 0 65.90 0.00 2.22 0.07 0.15 31.67 07:20:01 1 67.24 0.00 2.27 0.06 0.15 30.27 07:20:01 2 69.01 0.00 2.75 0.06 0.15 28.03 07:20:01 3 66.62 0.00 2.38 0.16 0.15 30.69 07:30:01 all 47.66 0.00 1.61 0.09 0.12 50.52 07:30:01 0 46.70 0.00 1.33 0.04 0.12 51.81 07:30:01 1 45.12 0.00 1.72 0.20 0.11 52.85 07:30:01 2 43.86 0.00 1.80 0.06 0.12 54.16 07:30:01 3 54.97 0.00 1.59 0.05 0.13 43.26 Average: all 58.31 0.00 2.13 0.09 0.13 39.34 Average: 0 57.06 0.00 1.97 0.06 0.13 40.77 Average: 1 57.53 0.00 2.17 0.11 0.13 40.05 Average: 2 57.82 0.00 2.21 0.07 0.13 39.77 Average: 3 60.82 0.00 2.15 0.11 0.13 36.79