---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30875 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 13G 65G 17% / 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 670 8293 4 7026 14976 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:81:6b:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83837sec preferred_lft 83837sec inet6 fe80::f816:3eff:fe81:6b1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:ca:f2:e4:0b:61 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-30875) 06/26/26 _x86_64_ (4 CPU) 14:55:21 LINUX RESTART (4 CPU) 15:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:11 30.14 2.89 24.15 3.10 158.74 4133.27 5447.33 15:20:03 34.20 0.01 30.82 3.37 0.20 2500.27 12243.65 15:30:01 8.75 0.02 7.98 0.75 0.32 2987.48 2809.46 Average: 24.37 0.99 20.97 2.41 53.99 3215.73 6805.60 15:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:11 9440128 13065552 2892648 17.67 138860 3602300 3129980 17.97 689600 5855924 29184 15:20:03 8284972 12509472 3444376 21.04 161088 4139860 3478344 19.97 835228 6816192 214248 15:30:01 5635032 10427732 5524332 33.74 169824 4680516 5279884 30.31 1026156 9253832 320 Average: 7786711 12000919 3953785 24.15 156591 4140892 3962736 22.75 850328 7308649 81251 15:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:11 lo 1546.72 1546.72 1467.99 1467.99 0.00 0.00 0.00 0.00 15:10:11 ens3 122.42 92.88 797.03 20.21 0.00 0.00 0.00 0.00 15:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:03 lo 1423.57 1423.57 1356.47 1356.47 0.00 0.00 0.00 0.00 15:20:03 ens3 40.06 32.10 24.77 10.41 0.00 0.00 0.00 0.00 15:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 530.13 530.13 6860.88 6860.88 0.00 0.00 0.00 0.00 15:30:01 ens3 19.87 14.83 9.89 4.84 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1168.52 1168.52 3222.82 3222.82 0.00 0.00 0.00 0.00 Average: ens3 61.28 46.97 281.63 11.88 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-30875) 06/26/26 _x86_64_ (4 CPU) 14:55:21 LINUX RESTART (4 CPU) 15:00:01 CPU %user %nice %system %iowait %steal %idle 15:10:11 all 66.64 0.00 2.54 1.13 0.10 29.59 15:10:11 0 65.92 0.00 2.66 0.39 0.10 30.92 15:10:11 1 67.21 0.00 2.32 1.00 0.10 29.37 15:10:11 2 66.13 0.00 2.62 1.69 0.10 29.46 15:10:11 3 67.31 0.00 2.54 1.44 0.11 28.61 15:20:03 all 62.68 0.00 2.34 0.22 0.10 34.66 15:20:03 0 63.65 0.00 2.16 0.10 0.09 34.00 15:20:03 1 62.72 0.00 2.42 0.16 0.10 34.60 15:20:03 2 61.53 0.00 2.45 0.50 0.10 35.43 15:20:03 3 62.82 0.00 2.33 0.13 0.10 34.61 15:30:01 all 33.14 0.00 1.22 0.45 0.08 65.10 15:30:01 0 31.98 0.00 1.51 0.23 0.08 66.19 15:30:01 1 36.30 0.00 1.27 0.38 0.08 61.97 15:30:01 2 30.95 0.00 0.93 0.61 0.08 67.43 15:30:01 3 33.34 0.00 1.16 0.59 0.08 64.82 Average: all 54.20 0.00 2.03 0.61 0.09 43.07 Average: 0 53.88 0.00 2.11 0.24 0.09 43.67 Average: 1 55.45 0.00 2.01 0.52 0.09 41.93 Average: 2 52.91 0.00 2.00 0.94 0.09 44.05 Average: 3 54.54 0.00 2.01 0.73 0.10 42.62