---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23731 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 11G 68G 14% / 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 679 10509 4 4800 14967 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:65:29:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83442sec preferred_lft 83442sec inet6 fe80::f816:3eff:fe65:291b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:d1:01:1d:cb:58 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-23731) 06/04/26 _x86_64_ (4 CPU) 17:32:11 LINUX RESTART (4 CPU) 17:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:02 2.27 0.01 2.26 0.00 0.67 33.58 0.13 18:00:03 8.62 1.92 6.43 0.27 123.97 1724.25 815.75 18:10:01 10.62 0.46 9.03 1.13 18.12 2167.55 3870.01 18:20:03 26.75 0.71 22.06 3.99 23.41 3580.11 5676.43 Average: 12.07 0.77 9.95 1.35 41.54 1876.66 2590.55 17:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:02 13040632 15496908 478196 2.92 97820 2548632 998876 5.73 336536 2676920 232 18:00:03 11298848 14331968 1630344 9.96 118812 3065232 1982888 11.38 493132 4235788 36908 18:10:01 9936360 13590104 2366280 14.45 148660 3596288 2566932 14.73 653960 5350308 25416 18:20:03 10777208 15332836 617668 3.77 174736 4414020 1102456 6.33 897316 4179880 180 Average: 11263262 14687954 1273122 7.78 135007 3406043 1662788 9.54 595236 4110724 15684 17:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:50:02 ens3 5.75 4.79 72.55 0.65 0.00 0.00 0.00 0.00 17:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:03 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 18:00:03 ens3 57.75 46.03 588.62 8.75 0.00 0.00 0.00 0.00 18:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 lo 1.45 1.45 0.14 0.14 0.00 0.00 0.00 0.00 18:10:01 ens3 64.58 51.73 103.70 18.55 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:03 lo 1790.07 1790.07 1694.84 1694.84 0.00 0.00 0.00 0.00 18:20:03 ens3 90.02 82.94 403.30 147.44 0.00 0.00 0.00 0.00 18:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 449.36 449.36 425.04 425.04 0.00 0.00 0.00 0.00 Average: ens3 54.52 46.38 292.26 43.94 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-23731) 06/04/26 _x86_64_ (4 CPU) 17:32:11 LINUX RESTART (4 CPU) 17:40:01 CPU %user %nice %system %iowait %steal %idle 17:50:02 all 0.11 0.00 0.04 0.12 0.02 99.72 17:50:02 0 0.01 0.00 0.01 0.06 0.00 99.92 17:50:02 1 0.17 0.00 0.07 0.15 0.02 99.60 17:50:02 2 0.22 0.00 0.04 0.26 0.03 99.45 17:50:02 3 0.05 0.00 0.03 0.01 0.01 99.90 18:00:03 all 23.59 0.00 0.75 0.04 0.05 75.57 18:00:03 0 24.27 0.00 0.64 0.02 0.05 75.01 18:00:03 1 23.05 0.00 0.66 0.02 0.05 76.23 18:00:03 2 23.00 0.00 0.79 0.08 0.05 76.09 18:00:03 3 24.06 0.00 0.91 0.03 0.05 74.96 18:10:01 all 71.84 0.00 2.25 0.02 0.11 25.76 18:10:01 0 70.96 0.00 2.13 0.03 0.11 26.77 18:10:01 1 71.77 0.00 2.38 0.03 0.11 25.71 18:10:01 2 72.87 0.00 2.39 0.03 0.11 24.60 18:10:01 3 71.77 0.00 2.12 0.02 0.12 25.98 18:20:03 all 38.86 0.00 1.90 0.08 0.07 59.09 18:20:03 0 37.92 0.00 1.54 0.11 0.07 60.36 18:20:03 1 35.94 0.00 1.64 0.05 0.07 62.30 18:20:03 2 43.47 0.00 2.11 0.06 0.07 54.29 18:20:03 3 38.09 0.00 2.33 0.11 0.08 59.40 Average: all 33.53 0.00 1.23 0.07 0.06 65.11 Average: 0 33.21 0.00 1.08 0.05 0.06 65.59 Average: 1 32.65 0.00 1.18 0.06 0.06 66.04 Average: 2 34.83 0.00 1.33 0.11 0.06 63.67 Average: 3 33.41 0.00 1.34 0.04 0.06 65.14