---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-176949 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: 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 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 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 649 9227 4 6112 14997 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:f5:fe:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83328sec preferred_lft 83328sec inet6 fe80::f816:3eff:fef5:fe5c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:ab:22:c9:4f:13 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-176949) 03/07/26 _x86_64_ (4 CPU) 07:20:19 LINUX RESTART (4 CPU) 07:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:01 1.38 0.01 1.37 0.01 0.04 16.57 146.12 07:50:04 1.17 0.00 1.17 0.00 0.00 13.63 0.00 08:00:04 46.76 4.04 42.10 0.61 245.83 2961.83 572.65 08:10:01 53.60 12.79 37.44 3.37 169.09 10915.51 9970.77 Average: 25.69 4.20 20.50 0.99 103.66 3467.66 2663.15 07:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 13560340 15530524 485528 2.97 58148 2137188 1136816 6.53 344260 2217480 208 07:50:04 13559684 15530424 485724 2.97 58524 2137328 1136816 6.53 344672 2218220 176 08:00:04 11475852 14459852 1504832 9.19 109572 3050156 2077576 11.93 552284 4009480 186480 08:10:01 9469412 15368832 582216 3.56 150808 5787552 1093108 6.27 1590208 4823668 25660 Average: 12016322 15222408 764575 4.67 94263 3278056 1361079 7.81 707856 3317212 53131 07:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:40:01 ens3 0.20 0.09 0.04 0.02 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:04 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 07:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:04 lo 0.31 0.31 0.05 0.05 0.00 0.00 0.00 0.00 08:00:04 ens3 84.82 63.32 868.73 12.15 0.00 0.00 0.00 0.00 08:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 1206.44 1206.44 1147.87 1147.87 0.00 0.00 0.00 0.00 08:10:01 ens3 88.10 68.13 439.21 55.34 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 300.62 300.62 285.92 285.92 0.00 0.00 0.00 0.00 Average: ens3 43.27 32.86 326.87 16.83 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-176949) 03/07/26 _x86_64_ (4 CPU) 07:20:19 LINUX RESTART (4 CPU) 07:30:04 CPU %user %nice %system %iowait %steal %idle 07:40:01 all 0.19 0.00 0.02 0.01 0.02 99.75 07:40:01 0 0.02 0.00 0.02 0.01 0.01 99.94 07:40:01 1 0.71 0.00 0.03 0.00 0.03 99.23 07:40:01 2 0.02 0.00 0.03 0.03 0.02 99.90 07:40:01 3 0.01 0.00 0.02 0.01 0.01 99.95 07:50:04 all 0.06 0.00 0.02 0.01 0.02 99.89 07:50:04 0 0.02 0.00 0.03 0.00 0.02 99.92 07:50:04 1 0.13 0.00 0.01 0.00 0.01 99.84 07:50:04 2 0.04 0.00 0.02 0.00 0.01 99.93 07:50:04 3 0.05 0.00 0.03 0.03 0.02 99.87 08:00:04 all 8.08 0.00 0.51 0.26 0.03 91.12 08:00:04 0 7.94 0.00 0.45 0.09 0.03 91.49 08:00:04 1 6.59 0.00 0.41 0.44 0.03 92.54 08:00:04 2 10.82 0.00 0.58 0.42 0.03 88.15 08:00:04 3 6.97 0.00 0.61 0.10 0.03 92.29 08:10:01 all 54.61 0.07 2.32 0.25 0.09 42.67 08:10:01 0 54.47 0.07 2.24 0.09 0.09 43.05 08:10:01 1 51.44 0.10 1.99 0.27 0.09 46.12 08:10:01 2 52.19 0.00 2.42 0.40 0.09 44.88 08:10:01 3 60.33 0.12 2.63 0.22 0.09 36.61 Average: all 15.65 0.02 0.72 0.13 0.04 83.44 Average: 0 15.52 0.02 0.68 0.05 0.04 83.69 Average: 1 14.64 0.02 0.61 0.18 0.04 84.51 Average: 2 15.69 0.00 0.76 0.21 0.04 83.29 Average: 3 16.74 0.03 0.82 0.09 0.04 82.28