---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11017 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 66G 16% / 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 659 8975 4 6354 14987 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:5a:f8:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84046sec preferred_lft 84046sec inet6 fe80::f816:3eff:fe5a:f8cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:cc:ac:58:81:45 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-11017) 05/05/26 _x86_64_ (4 CPU) 05:22:18 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:09 38.34 0.42 21.48 16.44 18.92 2755.98 240799.92 05:50:08 32.01 0.02 28.73 3.27 0.29 2764.45 14560.72 06:00:01 12.87 0.31 11.27 1.29 11.74 7462.14 40370.71 Average: 27.84 0.25 20.53 7.06 10.35 4308.75 99433.04 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:09 8820140 12410464 3547844 21.67 141116 3566432 3549868 20.38 699820 6464264 35564 05:50:08 7753564 12354960 3598496 21.98 160660 4510900 3536440 20.30 978748 7200216 545036 06:00:01 9210688 15357204 590484 3.61 176904 5989676 1103672 6.34 1559180 5077552 224 Average: 8594797 13374209 2578941 15.75 159560 4689003 2729993 15.67 1079249 6247344 193608 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:09 lo 1409.63 1409.63 1336.61 1336.61 0.00 0.00 0.00 0.00 05:40:09 ens3 52.22 42.97 55.58 13.88 0.00 0.00 0.00 0.00 05:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:08 lo 1407.63 1407.63 1341.07 1341.07 0.00 0.00 0.00 0.00 05:50:08 ens3 45.22 35.42 39.60 12.08 0.00 0.00 0.00 0.00 05:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 253.84 253.84 6921.30 6921.30 0.00 0.00 0.00 0.00 06:00:01 ens3 71.73 81.46 109.62 961.46 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1028.31 1028.31 3177.39 3177.39 0.00 0.00 0.00 0.00 Average: ens3 56.31 53.13 68.06 325.36 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-11017) 05/05/26 _x86_64_ (4 CPU) 05:22:18 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:09 all 69.03 0.00 2.35 0.12 0.09 28.42 05:40:09 0 67.99 0.00 2.65 0.24 0.09 29.04 05:40:09 1 70.51 0.00 2.16 0.07 0.08 27.17 05:40:09 2 68.75 0.00 2.31 0.06 0.08 28.80 05:40:09 3 68.88 0.00 2.28 0.10 0.09 28.66 05:50:08 all 61.31 0.00 2.37 0.07 0.09 36.15 05:50:08 0 60.67 0.00 2.79 0.08 0.09 36.38 05:50:08 1 61.44 0.00 2.23 0.08 0.09 36.17 05:50:08 2 63.18 0.00 2.13 0.08 0.08 34.53 05:50:08 3 59.98 0.00 2.34 0.06 0.09 37.54 06:00:01 all 26.13 0.00 0.85 0.12 0.07 72.84 06:00:01 0 28.51 0.00 0.70 0.06 0.06 70.67 06:00:01 1 27.71 0.00 1.07 0.13 0.07 71.03 06:00:01 2 27.70 0.00 0.83 0.22 0.07 71.19 06:00:01 3 20.59 0.00 0.79 0.06 0.07 78.49 Average: all 52.31 0.00 1.86 0.10 0.08 45.65 Average: 0 52.53 0.00 2.05 0.13 0.08 45.22 Average: 1 53.35 0.00 1.82 0.09 0.08 44.66 Average: 2 53.35 0.00 1.76 0.12 0.08 44.69 Average: 3 50.00 0.00 1.81 0.07 0.08 48.04