---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21268 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 781 9389 4 5817 14865 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:3e:6d:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83992sec preferred_lft 83992sec inet6 fe80::f816:3eff:fe3e:6d2f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:6e:b7:a7:da:2c 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-21268) 05/29/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 31.29 2.26 14.80 14.24 135.03 4268.75 244212.39 20:50:01 61.57 0.31 49.76 11.50 9.39 3850.63 33184.24 21:00:01 33.59 0.30 27.99 5.31 11.73 4905.53 12299.35 Average: 42.15 0.95 30.85 10.35 52.05 4341.64 96565.32 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 9327012 13294060 2660512 16.25 173880 3856460 2956956 16.97 692936 5907260 246752 20:50:01 8881076 13324064 2625736 16.04 204148 4266204 2727704 15.66 829056 6173528 38688 21:00:01 9755816 15345924 599216 3.66 238488 5315864 1118632 6.42 1206696 4839816 52 Average: 9321301 13988016 1961821 11.98 205505 4479509 2267764 13.02 909563 5640201 95164 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 20:40:01 ens3 92.36 73.62 419.00 21.03 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5937.09 5937.09 5662.39 5662.39 0.00 0.00 0.00 0.00 20:50:01 ens3 91.79 67.59 265.23 21.42 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 2544.72 2544.72 2415.68 2415.68 0.00 0.00 0.00 0.00 21:00:01 ens3 95.42 84.02 110.06 123.81 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2827.73 2827.73 2692.74 2692.74 0.00 0.00 0.00 0.00 Average: ens3 93.19 75.08 264.76 55.42 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-21268) 05/29/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 70.13 0.00 2.40 0.13 0.11 27.23 20:40:01 0 69.75 0.00 2.43 0.15 0.11 27.57 20:40:01 1 70.89 0.00 2.48 0.09 0.11 26.43 20:40:01 2 70.75 0.00 2.51 0.18 0.11 26.46 20:40:01 3 69.13 0.00 2.20 0.10 0.11 28.47 20:50:01 all 62.25 0.00 4.26 0.23 0.10 33.17 20:50:01 0 62.91 0.00 4.37 0.16 0.10 32.46 20:50:01 1 62.82 0.00 4.17 0.16 0.10 32.75 20:50:01 2 62.44 0.00 4.59 0.49 0.10 32.38 20:50:01 3 60.81 0.00 3.89 0.13 0.10 35.07 21:00:01 all 47.72 0.00 2.72 0.48 0.08 48.99 21:00:01 0 45.14 0.00 2.42 0.55 0.09 51.81 21:00:01 1 47.22 0.00 2.43 0.22 0.08 50.05 21:00:01 2 50.46 0.00 3.04 0.24 0.09 46.17 21:00:01 3 48.07 0.00 3.00 0.93 0.09 47.92 Average: all 60.03 0.00 3.13 0.28 0.10 36.46 Average: 0 59.26 0.00 3.07 0.29 0.10 37.29 Average: 1 60.30 0.00 3.03 0.16 0.10 36.42 Average: 2 61.22 0.00 3.38 0.30 0.10 35.00 Average: 3 59.34 0.00 3.03 0.38 0.10 37.15