---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11898 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 656 8550 4 6782 14990 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:29:d1:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84255sec preferred_lft 84255sec inet6 fe80::f816:3eff:fe29:d184/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:15:3b:7c:fe:d5 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-11898) 11/19/25 _x86_64_ (4 CPU) 09:28:28 LINUX RESTART (4 CPU) 09:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:18 40.70 3.55 23.93 13.23 820.59 4908.59 245724.70 09:50:12 24.36 0.02 21.41 2.93 0.22 2200.05 9120.92 10:00:20 27.16 0.10 23.97 3.09 4.74 9112.28 32281.64 Average: 30.75 1.22 23.11 6.41 275.04 5432.87 95751.21 09:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:18 9419976 13194520 2763404 16.88 135736 3772256 2903960 16.67 901768 5675108 130176 09:50:12 8897900 12977816 2977352 18.18 150808 4032996 2971340 17.06 1010972 6048620 26544 10:00:20 8813976 15397628 549036 3.35 177720 6423304 1093592 6.28 1877956 5172312 25968 Average: 9043951 13856655 2096597 12.81 154755 4742852 2322964 13.33 1263565 5632013 60896 09:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:18 lo 1061.92 1061.92 1005.42 1005.42 0.00 0.00 0.00 0.00 09:40:18 ens3 121.39 93.12 1111.48 18.32 0.00 0.00 0.00 0.00 09:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:12 lo 1124.70 1124.70 1070.00 1070.00 0.00 0.00 0.00 0.00 09:50:12 ens3 41.98 34.56 24.98 12.77 0.00 0.00 0.00 0.00 09:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:20 lo 798.27 798.27 5129.43 5129.43 0.00 0.00 0.00 0.00 10:00:20 ens3 47.65 39.63 110.18 41.32 0.00 0.00 0.00 0.00 10:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 993.73 993.73 2417.15 2417.15 0.00 0.00 0.00 0.00 Average: ens3 70.35 55.78 415.66 24.24 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-11898) 11/19/25 _x86_64_ (4 CPU) 09:28:28 LINUX RESTART (4 CPU) 09:30:18 CPU %user %nice %system %iowait %steal %idle 09:40:18 all 42.93 0.00 2.01 0.48 0.08 54.51 09:40:18 0 43.82 0.00 2.09 0.50 0.08 53.50 09:40:18 1 43.23 0.00 2.16 0.32 0.08 54.21 09:40:18 2 42.74 0.00 1.75 0.50 0.08 54.93 09:40:18 3 41.91 0.00 2.02 0.58 0.08 55.41 09:50:12 all 65.82 0.00 2.35 0.20 0.11 31.53 09:50:12 0 65.87 0.00 2.40 0.28 0.10 31.35 09:50:12 1 66.19 0.00 2.15 0.10 0.12 31.44 09:50:12 2 65.23 0.00 2.30 0.18 0.11 32.19 09:50:12 3 65.98 0.00 2.54 0.26 0.10 31.12 10:00:20 all 44.98 0.00 1.80 0.81 0.08 52.32 10:00:20 0 43.63 0.00 1.90 0.26 0.08 54.13 10:00:20 1 45.76 0.00 2.13 0.52 0.09 51.50 10:00:20 2 47.60 0.00 1.67 0.83 0.08 49.81 10:00:20 3 42.95 0.00 1.52 1.61 0.09 53.83 Average: all 51.16 0.00 2.05 0.50 0.09 46.20 Average: 0 51.01 0.00 2.13 0.35 0.09 46.42 Average: 1 51.64 0.00 2.15 0.31 0.10 45.80 Average: 2 51.79 0.00 1.90 0.51 0.09 45.71 Average: 3 50.19 0.00 2.02 0.82 0.09 46.88