---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1146 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 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 682 10348 4 4958 14964 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:bb:6f:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83432sec preferred_lft 83432sec inet6 fe80::f816:3eff:febb:6fc6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:de:41:e1:ac:ff 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-1146) 08/01/26 _x86_64_ (4 CPU) 08:14:24 LINUX RESTART (4 CPU) 08:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:13 14.99 0.01 1.77 13.22 0.19 33.95 240687.45 08:40:15 7.74 1.91 5.67 0.16 123.48 1423.17 411.44 08:50:15 11.31 0.46 9.77 1.08 17.73 2252.96 3356.66 09:00:16 30.35 0.58 25.56 4.21 22.29 3839.45 2334.33 Average: 16.10 0.74 10.70 4.67 40.95 1888.16 61619.38 08:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:13 12889676 15496808 476188 2.91 100308 2694764 1003308 5.76 408136 2739220 252 08:40:15 11059860 14140856 1822316 11.13 118020 3120896 2271132 13.04 544020 4424352 23044 08:50:15 9843800 13591396 2365168 14.45 148260 3691940 2592316 14.88 711684 5397880 24476 09:00:16 10658532 15376200 574164 3.51 174244 4571604 1113376 6.39 966972 4250168 4 Average: 11112967 14651315 1309459 8.00 135208 3519801 1745033 10.02 657703 4202905 11944 08:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:30:13 ens3 8.92 7.54 138.82 0.91 0.00 0.00 0.00 0.00 08:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:15 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 08:40:15 ens3 56.87 42.75 594.73 7.52 0.00 0.00 0.00 0.00 08:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:15 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 08:50:15 ens3 71.48 54.09 100.82 17.82 0.00 0.00 0.00 0.00 08:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:16 lo 1548.37 1548.37 1468.64 1468.64 0.00 0.00 0.00 0.00 09:00:16 ens3 94.42 77.35 406.76 89.73 0.00 0.00 0.00 0.00 09:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 387.77 387.77 367.42 367.42 0.00 0.00 0.00 0.00 Average: ens3 57.94 45.45 310.42 29.01 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-1146) 08/01/26 _x86_64_ (4 CPU) 08:14:24 LINUX RESTART (4 CPU) 08:20:13 CPU %user %nice %system %iowait %steal %idle 08:30:13 all 0.35 0.00 0.06 0.11 0.03 99.46 08:30:13 0 0.16 0.00 0.06 0.00 0.08 99.70 08:30:13 1 0.99 0.00 0.06 0.28 0.01 98.66 08:30:13 2 0.18 0.00 0.06 0.04 0.01 99.71 08:30:13 3 0.05 0.00 0.05 0.13 0.02 99.76 08:40:15 all 15.06 0.00 0.59 0.03 0.04 84.28 08:40:15 0 14.41 0.00 0.46 0.01 0.03 85.08 08:40:15 1 15.66 0.00 0.62 0.06 0.04 83.62 08:40:15 2 14.92 0.00 0.56 0.01 0.03 84.47 08:40:15 3 15.24 0.00 0.74 0.02 0.04 83.96 08:50:15 all 72.71 0.00 2.23 0.03 0.12 24.91 08:50:15 0 72.96 0.00 2.40 0.05 0.13 24.46 08:50:15 1 72.94 0.00 1.93 0.02 0.12 24.99 08:50:15 2 73.70 0.00 2.57 0.02 0.12 23.58 08:50:15 3 71.25 0.00 2.00 0.01 0.12 26.61 09:00:16 all 46.34 0.00 2.17 0.19 0.09 51.20 09:00:16 0 43.75 0.00 2.14 0.42 0.09 53.60 09:00:16 1 47.65 0.00 2.12 0.04 0.09 50.10 09:00:16 2 46.25 0.00 2.11 0.03 0.09 51.51 09:00:16 3 47.73 0.00 2.29 0.29 0.09 49.60 Average: all 33.59 0.00 1.26 0.09 0.07 64.99 Average: 0 32.80 0.00 1.26 0.12 0.08 65.74 Average: 1 34.26 0.00 1.18 0.10 0.06 64.39 Average: 2 33.73 0.00 1.33 0.03 0.07 64.85 Average: 3 33.55 0.00 1.27 0.11 0.07 65.00