---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25346 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: 5600.00 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 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 696 10346 4 4946 14950 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:15:f2:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84045sec preferred_lft 84045sec inet6 fe80::f816:3eff:fe15:f281/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:37:ae:91:c0:08 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-25346) 06/06/26 _x86_64_ (4 CPU) 09:10:49 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:27 8.58 1.84 6.40 0.33 118.94 1806.31 525.14 09:40:12 10.93 0.49 9.30 1.14 18.76 2188.75 2598.24 09:50:01 45.65 0.73 25.26 19.65 26.58 3675.75 242064.48 Average: 21.47 1.04 13.51 6.92 56.15 2542.48 80253.72 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:27 10910948 14152828 1808608 11.05 121888 3262960 2192256 12.58 570436 4528764 56384 09:40:12 9201572 13082400 2872880 17.55 152872 3805544 3102048 17.81 741968 5992368 66664 09:50:01 10599808 15310620 638916 3.90 176144 4562896 1136784 6.53 1003384 4273936 12636 Average: 10237443 14181949 1773468 10.83 150301 3877133 2143696 12.30 771929 4931689 45228 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:27 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 09:30:27 ens3 61.33 50.41 647.54 9.67 0.00 0.00 0.00 0.00 09:30:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:12 lo 1.48 1.48 0.15 0.15 0.00 0.00 0.00 0.00 09:40:12 ens3 77.98 59.76 112.02 25.01 0.00 0.00 0.00 0.00 09:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 1676.88 1676.88 1585.33 1585.33 0.00 0.00 0.00 0.00 09:50:01 ens3 114.67 104.61 368.50 192.29 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 549.49 549.49 518.93 518.93 0.00 0.00 0.00 0.00 Average: ens3 84.20 71.19 382.14 74.43 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-25346) 06/06/26 _x86_64_ (4 CPU) 09:10:49 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:27 all 26.23 0.00 0.84 0.03 0.05 72.84 09:30:27 0 25.94 0.00 0.85 0.04 0.05 73.13 09:30:27 1 27.50 0.00 0.92 0.02 0.05 71.51 09:30:27 2 25.20 0.00 0.90 0.04 0.06 73.80 09:30:27 3 26.29 0.00 0.71 0.04 0.05 72.92 09:40:12 all 71.88 0.00 2.30 0.03 0.10 25.68 09:40:12 0 73.32 0.00 2.14 0.02 0.10 24.42 09:40:12 1 71.18 0.00 2.46 0.06 0.10 26.20 09:40:12 2 71.58 0.00 2.31 0.04 0.10 25.97 09:40:12 3 71.45 0.00 2.28 0.02 0.10 26.14 09:50:01 all 38.16 0.00 2.03 0.17 0.08 59.56 09:50:01 0 35.60 0.00 2.17 0.05 0.07 62.10 09:50:01 1 37.94 0.00 1.99 0.26 0.09 59.72 09:50:01 2 38.26 0.00 2.06 0.15 0.07 59.46 09:50:01 3 40.86 0.00 1.89 0.21 0.08 56.97 Average: all 44.96 0.00 1.70 0.08 0.08 53.18 Average: 0 44.48 0.00 1.70 0.04 0.07 53.71 Average: 1 45.09 0.00 1.77 0.11 0.08 52.95 Average: 2 44.54 0.00 1.74 0.07 0.08 53.57 Average: 3 45.72 0.00 1.61 0.09 0.08 52.51