---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26216 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 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 662 8941 4 6384 14984 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:ee:8e:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84043sec preferred_lft 84043sec inet6 fe80::f816:3eff:feee:8ea0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:e2:c7:7e:84:90 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-26216) 03/04/26 _x86_64_ (4 CPU) 05:21:33 LINUX RESTART (4 CPU) 05:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:13 26.04 0.61 22.29 3.15 28.48 3087.89 6674.68 05:50:01 32.26 0.01 28.83 3.41 0.22 2585.55 14877.37 06:00:11 12.56 0.29 10.82 1.45 16.12 8260.20 1546.91 Average: 23.50 0.31 20.54 2.66 15.04 4677.21 7621.15 05:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:13 9442200 12934652 3023812 18.47 141188 3471496 3272688 18.79 690528 5858356 22892 05:50:01 8789740 12858236 3097096 18.92 162416 3993444 3179984 18.25 814880 6345800 173360 06:00:11 9214904 15396248 551344 3.37 179732 6019852 1050996 6.03 1607336 5039108 14220 Average: 9148948 13729712 2224084 13.58 161112 4494931 2501223 14.36 1037581 5747755 70157 05:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:13 lo 1309.15 1309.15 1240.98 1240.98 0.00 0.00 0.00 0.00 05:40:13 ens3 47.39 39.71 72.96 14.15 0.00 0.00 0.00 0.00 05:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1379.62 1379.62 1314.02 1314.02 0.00 0.00 0.00 0.00 05:50:01 ens3 44.93 35.15 42.00 12.89 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:11 lo 248.53 248.53 6730.77 6730.77 0.00 0.00 0.00 0.00 06:00:11 ens3 88.92 96.30 118.21 1034.78 0.00 0.00 0.00 0.00 06:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 972.59 972.59 3126.29 3126.29 0.00 0.00 0.00 0.00 Average: ens3 60.66 57.41 78.17 359.80 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-26216) 03/04/26 _x86_64_ (4 CPU) 05:21:33 LINUX RESTART (4 CPU) 05:30:13 CPU %user %nice %system %iowait %steal %idle 05:40:13 all 68.98 0.00 2.58 0.10 0.11 28.23 05:40:13 0 67.71 0.00 2.43 0.10 0.11 29.65 05:40:13 1 68.81 0.00 2.70 0.12 0.11 28.26 05:40:13 2 70.22 0.00 2.91 0.05 0.12 26.71 05:40:13 3 69.18 0.00 2.28 0.12 0.11 28.31 05:50:01 all 61.79 0.00 2.55 0.30 0.11 35.25 05:50:01 0 61.28 0.00 2.45 0.20 0.11 35.96 05:50:01 1 60.68 0.00 2.16 0.57 0.11 36.48 05:50:01 2 64.15 0.00 2.88 0.27 0.11 32.58 05:50:01 3 61.03 0.00 2.70 0.17 0.11 35.98 06:00:11 all 29.83 0.00 1.07 0.42 0.09 68.59 06:00:11 0 24.84 0.00 1.15 0.43 0.09 73.50 06:00:11 1 30.56 0.00 1.04 0.77 0.09 67.55 06:00:11 2 35.37 0.00 1.15 0.13 0.09 63.26 06:00:11 3 28.60 0.00 0.93 0.36 0.09 70.01 Average: all 53.32 0.00 2.06 0.27 0.10 44.24 Average: 0 51.00 0.00 2.00 0.24 0.10 46.65 Average: 1 53.16 0.00 1.96 0.49 0.10 44.30 Average: 2 56.40 0.00 2.30 0.15 0.11 41.04 Average: 3 52.74 0.00 1.96 0.22 0.10 44.98