---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19737 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 712 9665 4 5611 14934 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:6a:14:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84482sec preferred_lft 84482sec inet6 fe80::f816:3eff:fe6a:14ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:f2:c0:87:71:29 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-19737) 05/25/26 _x86_64_ (4 CPU) 06:28:21 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:10 20.77 3.48 16.37 0.92 180.63 5200.11 1071.98 06:50:08 51.60 0.08 33.96 17.56 1.98 3608.45 256031.40 07:00:11 29.85 0.32 26.16 3.37 14.40 5791.07 67835.61 Average: 33.97 1.30 25.44 7.23 66.24 4871.61 107501.39 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:10 9640660 13363060 2594708 15.85 148672 3664916 2915660 16.74 651404 5637660 150096 06:50:08 9254324 13465060 2487624 15.19 177960 4080584 2742300 15.74 828124 5825660 19108 07:00:11 9877640 15277004 669256 4.09 201912 5175688 1199592 6.89 927220 5007976 21652 Average: 9590875 14035041 1917196 11.71 176181 4307063 2285851 13.12 802249 5490432 63619 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:10 lo 342.09 342.09 325.71 325.71 0.00 0.00 0.00 0.00 06:40:10 ens3 94.35 72.50 864.40 15.69 0.00 0.00 0.00 0.00 06:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:08 lo 1722.90 1722.90 1642.31 1642.31 0.00 0.00 0.00 0.00 06:50:08 ens3 48.04 35.96 129.33 11.67 0.00 0.00 0.00 0.00 06:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:11 lo 111.28 111.28 95.94 95.94 0.00 0.00 0.00 0.00 07:00:11 ens3 88.41 78.39 123.87 229.94 0.00 0.00 0.00 0.00 07:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 721.03 721.03 683.79 683.79 0.00 0.00 0.00 0.00 Average: ens3 77.08 62.40 374.87 85.78 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-19737) 05/25/26 _x86_64_ (4 CPU) 06:28:21 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:10 all 42.66 0.00 1.49 0.10 0.09 55.66 06:40:10 0 38.13 0.00 1.34 0.11 0.09 60.33 06:40:10 1 43.01 0.00 1.56 0.12 0.09 55.22 06:40:10 2 45.07 0.00 1.46 0.08 0.09 53.29 06:40:10 3 44.44 0.00 1.61 0.08 0.09 53.77 06:50:08 all 62.83 0.00 2.75 0.16 0.13 34.13 06:50:08 0 63.62 0.00 2.60 0.11 0.13 33.54 06:50:08 1 62.15 0.00 2.50 0.19 0.14 35.02 06:50:08 2 61.47 0.00 3.01 0.24 0.13 35.15 06:50:08 3 64.08 0.00 2.89 0.11 0.13 32.79 07:00:11 all 47.85 0.00 1.75 0.18 0.10 50.12 07:00:11 0 46.71 0.00 1.61 0.23 0.10 51.34 07:00:11 1 51.11 0.00 2.11 0.07 0.10 46.61 07:00:11 2 46.10 0.00 1.49 0.08 0.10 52.22 07:00:11 3 47.48 0.00 1.77 0.33 0.10 50.32 Average: all 51.04 0.00 1.99 0.15 0.11 46.71 Average: 0 49.39 0.00 1.85 0.15 0.11 48.51 Average: 1 52.03 0.00 2.05 0.13 0.11 45.68 Average: 2 50.82 0.00 1.98 0.13 0.11 46.95 Average: 3 51.92 0.00 2.09 0.17 0.11 45.71