---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32817 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 755 9611 4 5622 14891 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:0a:6a:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84456sec preferred_lft 84456sec inet6 fe80::f816:3eff:fe0a:6ac9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:94:b5:e2:e8:c3 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-32817) 07/04/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:02 37.93 3.55 20.07 14.31 183.61 5458.40 243444.63 06:50:11 36.44 0.04 32.69 3.71 1.24 3310.97 18255.05 07:00:01 21.77 0.33 18.60 2.85 14.71 5741.01 88804.97 Average: 32.12 1.30 23.85 6.96 66.54 4824.90 116572.27 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:02 9678684 13342344 2614600 15.97 151804 3604616 2755404 15.82 676172 5580568 61908 06:50:11 8528556 12933640 3018584 18.44 179780 4263344 3181224 18.26 850840 6517872 189972 07:00:01 9922192 15321220 625240 3.82 200620 5176148 1128928 6.48 918200 4984032 14920 Average: 9376477 13865735 2086141 12.74 177401 4348036 2355185 13.52 815071 5694157 88933 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:02 lo 418.42 418.42 398.44 398.44 0.00 0.00 0.00 0.00 06:40:02 ens3 105.03 78.75 901.28 16.44 0.00 0.00 0.00 0.00 06:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:11 lo 1746.89 1746.89 1664.94 1664.94 0.00 0.00 0.00 0.00 06:50:11 ens3 50.44 38.56 117.43 12.01 0.00 0.00 0.00 0.00 06:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 12.21 12.21 1.26 1.26 0.00 0.00 0.00 0.00 07:00:01 ens3 87.74 80.66 125.18 233.86 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 734.44 734.44 696.46 696.46 0.00 0.00 0.00 0.00 Average: ens3 80.90 65.79 381.66 86.25 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-32817) 07/04/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:02 all 45.47 0.00 1.52 0.09 0.08 52.84 06:40:02 0 46.16 0.00 1.71 0.19 0.08 51.85 06:40:02 1 47.03 0.00 1.69 0.04 0.08 51.16 06:40:02 2 44.85 0.00 1.25 0.08 0.09 53.73 06:40:02 3 43.83 0.00 1.42 0.06 0.08 54.61 06:50:11 all 63.01 0.00 2.64 0.07 0.11 34.16 06:50:11 0 62.96 0.00 2.76 0.10 0.12 34.07 06:50:11 1 62.32 0.00 2.45 0.06 0.12 35.05 06:50:11 2 64.26 0.00 2.77 0.06 0.11 32.81 06:50:11 3 62.51 0.00 2.59 0.08 0.11 34.71 07:00:01 all 45.57 0.00 1.63 0.36 0.11 52.33 07:00:01 0 45.08 0.00 2.01 0.67 0.09 52.15 07:00:01 1 40.70 0.00 1.26 0.64 0.08 57.31 07:00:01 2 47.54 0.00 1.65 0.03 0.08 50.70 07:00:01 3 48.97 0.00 1.62 0.09 0.17 49.15 Average: all 51.42 0.00 1.94 0.17 0.10 46.37 Average: 0 51.47 0.00 2.16 0.32 0.10 45.95 Average: 1 50.10 0.00 1.81 0.24 0.09 47.75 Average: 2 52.29 0.00 1.89 0.06 0.09 45.67 Average: 3 51.83 0.00 1.88 0.07 0.12 46.10