---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30912 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 12G 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 9426 4 5835 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:59:f3:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83920sec preferred_lft 83920sec inet6 fe80::f816:3eff:fe59:f3a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:a8:89:6f:5d:9c 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-30912) 06/26/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:07 15.27 2.34 11.87 1.06 137.23 3704.44 1892.88 20:50:10 58.60 0.32 47.25 11.02 10.05 4383.64 14054.50 21:00:10 34.74 0.29 28.51 5.94 11.63 4976.48 9020.25 Average: 36.28 0.98 29.28 6.03 52.71 4356.52 8345.50 20:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:07 10066440 13677244 2280088 13.93 160472 3547136 2556748 14.68 623532 5263788 98292 20:50:10 8643228 13165000 2784552 17.01 206396 4338632 3039404 17.45 828100 6399036 114192 21:00:10 9771292 15379440 565772 3.46 241364 5328460 1120676 6.43 1206708 4811688 64 Average: 9493653 14073895 1876804 11.46 202744 4404743 2238943 12.85 886113 5491504 70849 20:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:07 lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 20:40:07 ens3 113.94 87.80 541.23 21.70 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5368.81 5368.81 5120.33 5120.33 0.00 0.00 0.00 0.00 20:50:10 ens3 106.78 78.54 323.12 21.59 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:10 lo 2851.36 2851.36 2711.91 2711.91 0.00 0.00 0.00 0.00 21:00:10 ens3 101.02 82.61 107.63 90.81 0.00 0.00 0.00 0.00 21:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2750.50 2750.50 2620.33 2620.33 0.00 0.00 0.00 0.00 Average: ens3 107.23 82.97 323.45 44.73 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-30912) 06/26/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:10 CPU %user %nice %system %iowait %steal %idle 20:40:07 all 66.02 0.00 2.23 0.05 0.09 31.61 20:40:07 0 66.26 0.00 2.17 0.05 0.09 31.42 20:40:07 1 68.01 0.00 2.47 0.03 0.09 29.39 20:40:07 2 62.59 0.00 2.06 0.09 0.09 35.17 20:40:07 3 67.21 0.00 2.20 0.04 0.09 30.45 20:50:10 all 62.09 0.00 4.11 0.10 0.09 33.61 20:50:10 0 60.46 0.00 3.95 0.08 0.09 35.41 20:50:10 1 62.42 0.00 4.12 0.12 0.10 33.25 20:50:10 2 63.09 0.00 4.11 0.07 0.09 32.63 20:50:10 3 62.40 0.00 4.25 0.12 0.09 33.15 21:00:10 all 51.10 0.00 3.02 0.10 0.08 45.69 21:00:10 0 52.83 0.00 3.01 0.07 0.09 44.01 21:00:10 1 51.62 0.00 3.08 0.15 0.09 45.07 21:00:10 2 50.84 0.00 2.91 0.07 0.08 46.09 21:00:10 3 49.11 0.00 3.10 0.12 0.08 47.59 Average: all 59.73 0.00 3.12 0.08 0.09 36.98 Average: 0 59.84 0.00 3.05 0.07 0.09 36.96 Average: 1 60.67 0.00 3.23 0.10 0.09 35.92 Average: 2 58.83 0.00 3.03 0.08 0.09 37.97 Average: 3 59.57 0.00 3.18 0.09 0.09 37.07