---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53154 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 640 8791 4 6557 15006 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:f8:bc:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83568sec preferred_lft 83568sec inet6 fe80::f816:3eff:fef8:bc70/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:28:e5:15:67:0b 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-53154) 03/26/26 _x86_64_ (4 CPU) 11:38:39 LINUX RESTART (4 CPU) 11:40:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:18 20.24 1.33 18.83 0.08 95.09 533.96 819.64 12:00:00 37.09 3.99 30.48 2.62 206.23 5463.30 4573.39 12:10:00 39.22 0.01 22.74 16.47 0.31 2244.85 251997.75 12:20:00 20.91 0.03 18.98 1.90 0.37 3855.27 11929.10 Average: 29.31 1.32 22.70 5.29 74.56 3006.51 67799.15 11:40:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:18 13404760 15389296 617948 3.77 67212 2134972 1244220 7.14 275636 2431792 108520 12:00:00 10096524 13558892 2400572 14.66 138516 3453836 2639464 15.15 640760 5263024 114840 12:10:00 9426680 13223072 2733360 16.69 158264 3737880 2887652 16.58 758088 5768344 28432 12:20:00 8017636 13129696 2821720 17.23 174668 4984496 2959728 16.99 1096404 6765096 456052 Average: 10236400 13825239 2143400 13.09 134665 3577796 2432766 13.96 692722 5057064 176961 11:40:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:18 lo 0.15 0.15 0.02 0.02 0.00 0.00 0.00 0.00 11:50:18 ens3 30.51 20.16 161.26 4.75 0.00 0.00 0.00 0.00 11:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:00 lo 1102.31 1102.31 1043.79 1043.79 0.00 0.00 0.00 0.00 12:00:00 ens3 126.98 99.12 1156.84 21.30 0.00 0.00 0.00 0.00 12:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 1234.68 1234.68 1174.97 1174.97 0.00 0.00 0.00 0.00 12:10:00 ens3 36.44 30.23 42.68 11.58 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:00 lo 957.37 957.37 7521.95 7521.95 0.00 0.00 0.00 0.00 12:20:00 ens3 31.10 24.45 93.58 8.79 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 821.60 821.60 2444.64 2444.64 0.00 0.00 0.00 0.00 Average: ens3 55.75 43.09 357.85 11.54 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-53154) 03/26/26 _x86_64_ (4 CPU) 11:38:39 LINUX RESTART (4 CPU) 11:40:18 CPU %user %nice %system %iowait %steal %idle 11:50:18 all 1.12 0.00 0.17 0.16 0.01 98.54 11:50:18 0 1.20 0.00 0.17 0.02 0.02 98.60 11:50:18 1 0.60 0.00 0.15 0.17 0.01 99.07 11:50:18 2 0.78 0.00 0.16 0.28 0.01 98.77 11:50:18 3 1.91 0.00 0.22 0.16 0.01 97.71 12:00:00 all 46.70 0.00 2.06 0.18 0.09 50.97 12:00:00 0 44.51 0.00 1.94 0.23 0.09 53.24 12:00:00 1 45.21 0.00 1.70 0.05 0.08 52.95 12:00:00 2 47.44 0.00 2.21 0.40 0.09 49.86 12:00:00 3 49.66 0.00 2.37 0.06 0.09 47.82 12:10:00 all 67.70 0.00 2.32 0.06 0.10 29.81 12:10:00 0 68.10 0.00 2.20 0.03 0.11 29.56 12:10:00 1 64.95 0.00 2.21 0.11 0.10 32.62 12:10:00 2 68.21 0.00 2.35 0.04 0.10 29.30 12:10:00 3 69.55 0.00 2.52 0.08 0.10 27.75 12:20:00 all 49.17 0.00 1.76 0.08 0.09 48.91 12:20:00 0 47.50 0.00 1.69 0.04 0.09 50.69 12:20:00 1 49.36 0.00 1.65 0.03 0.09 48.87 12:20:00 2 54.17 0.00 1.89 0.04 0.09 43.82 12:20:00 3 45.64 0.00 1.81 0.20 0.08 52.26 Average: all 41.11 0.00 1.57 0.12 0.07 57.13 Average: 0 40.30 0.00 1.50 0.08 0.07 58.05 Average: 1 39.96 0.00 1.42 0.09 0.07 58.45 Average: 2 42.57 0.00 1.65 0.19 0.07 55.53 Average: 3 41.61 0.00 1.73 0.12 0.07 56.47