---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22699 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 67G 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 727 9805 4 5456 14919 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:33:87:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84821sec preferred_lft 84821sec inet6 fe80::f816:3eff:fe33:87a3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:7d:2d:30:3f:aa 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22699) 02/27/26 _x86_64_ (4 CPU) 08:57:11 LINUX RESTART (4 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:01 40.74 1.12 23.91 15.70 50.70 4472.23 248647.37 09:20:01 33.04 0.07 29.79 3.17 1.56 5891.59 12022.23 Average: 36.89 0.60 26.85 9.44 26.14 5181.52 130400.83 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:01 8922200 12709544 3246412 19.83 155868 3717580 3437312 19.73 749504 6257300 178448 09:20:01 8002968 12979564 2970832 18.14 181656 4818936 3089700 17.73 1002788 6859020 29780 Average: 8462584 12844554 3108622 18.99 168762 4268258 3263506 18.73 876146 6558160 104114 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:01 lo 1078.53 1078.53 1027.30 1027.30 0.00 0.00 0.00 0.00 09:10:01 ens3 57.19 43.96 310.52 11.06 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 993.12 993.12 945.22 945.22 0.00 0.00 0.00 0.00 09:20:01 ens3 43.10 35.16 224.73 9.21 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1035.85 1035.85 986.28 986.28 0.00 0.00 0.00 0.00 Average: ens3 50.15 39.56 267.65 10.13 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22699) 02/27/26 _x86_64_ (4 CPU) 08:57:11 LINUX RESTART (4 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:01 all 65.42 0.00 2.23 0.08 0.08 32.18 09:10:01 0 64.77 0.00 2.22 0.09 0.08 32.84 09:10:01 1 67.98 0.00 2.24 0.11 0.09 29.59 09:10:01 2 63.59 0.00 2.12 0.07 0.09 34.13 09:10:01 3 65.33 0.00 2.35 0.06 0.08 32.18 09:20:01 all 57.24 0.00 2.25 0.08 0.08 40.35 09:20:01 0 57.00 0.00 2.22 0.06 0.08 40.64 09:20:01 1 57.65 0.00 2.29 0.15 0.08 39.83 09:20:01 2 58.30 0.00 2.28 0.06 0.08 39.28 09:20:01 3 56.01 0.00 2.20 0.05 0.08 41.66 Average: all 61.33 0.00 2.24 0.08 0.08 36.27 Average: 0 60.89 0.00 2.22 0.08 0.08 36.74 Average: 1 62.81 0.00 2.27 0.13 0.08 34.71 Average: 2 60.94 0.00 2.20 0.07 0.08 36.71 Average: 3 60.68 0.00 2.28 0.05 0.08 36.91