---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11282 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 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 736 9714 4 5538 14910 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:76:87:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84583sec preferred_lft 84583sec inet6 fe80::f816:3eff:fe76:874b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:fe:c3:63:57:96 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-11282) 05/06/26 _x86_64_ (4 CPU) 06:27:19 LINUX RESTART (4 CPU) 06:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:04 36.50 2.69 18.79 15.02 148.98 4627.82 243388.93 06:50:01 36.38 0.04 32.80 3.54 1.55 4521.27 13365.70 Average: 36.44 1.36 25.82 9.26 75.07 4574.40 128060.76 06:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:04 9354948 13141960 2815020 17.19 152728 3723416 3044556 17.48 712512 5890432 153264 06:50:01 7873400 12925632 3024444 18.47 183228 4887960 3178900 18.25 1004988 6981736 468996 Average: 8614174 13033796 2919732 17.83 167978 4305688 3111728 17.86 858750 6436084 311130 06:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:04 lo 712.02 712.02 678.27 678.27 0.00 0.00 0.00 0.00 06:40:04 ens3 109.83 82.60 831.95 18.33 0.00 0.00 0.00 0.00 06:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 1521.95 1521.95 1450.29 1450.29 0.00 0.00 0.00 0.00 06:50:01 ens3 66.78 48.42 217.29 14.92 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1118.10 1118.10 1065.34 1065.34 0.00 0.00 0.00 0.00 Average: ens3 88.24 65.46 523.78 16.62 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-11282) 05/06/26 _x86_64_ (4 CPU) 06:27:19 LINUX RESTART (4 CPU) 06:30:10 CPU %user %nice %system %iowait %steal %idle 06:40:04 all 56.06 0.00 1.89 0.08 0.08 41.88 06:40:04 0 56.98 0.00 1.66 0.07 0.09 41.20 06:40:04 1 56.33 0.00 1.95 0.15 0.08 41.49 06:40:04 2 55.83 0.00 2.05 0.06 0.08 41.98 06:40:04 3 55.08 0.00 1.91 0.07 0.08 42.85 06:50:01 all 58.45 0.00 2.48 0.09 0.08 38.90 06:50:01 0 55.15 0.00 2.34 0.12 0.08 42.30 06:50:01 1 57.38 0.00 2.34 0.09 0.09 40.11 06:50:01 2 59.88 0.00 2.58 0.07 0.08 37.38 06:50:01 3 61.38 0.00 2.65 0.06 0.08 35.82 Average: all 57.25 0.00 2.19 0.08 0.08 40.39 Average: 0 56.06 0.00 2.00 0.09 0.09 41.75 Average: 1 56.85 0.00 2.15 0.12 0.08 40.80 Average: 2 57.86 0.00 2.32 0.06 0.08 39.68 Average: 3 58.24 0.00 2.28 0.07 0.08 39.33