---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12719 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 68G 14% / 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 666 10499 4 4823 14980 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:86:5f:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.170/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83790sec preferred_lft 83790sec inet6 fe80::f816:3eff:fe86:5f32/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:08:8f:7b:a2:bc 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-12719) 05/11/26 _x86_64_ (4 CPU) 08:17:52 LINUX RESTART (4 CPU) 08:20:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:31 3.69 0.09 3.32 0.28 3.52 257.51 318.78 08:40:31 41.91 4.13 36.99 0.79 257.55 3904.85 1118.72 08:50:22 11.18 0.48 9.58 1.13 18.52 2312.50 3289.86 09:00:16 27.88 0.72 22.97 4.19 23.78 3764.37 4631.78 Average: 21.13 1.36 18.19 1.58 75.97 2550.02 2323.40 08:20:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:31 13651944 15496800 519560 3.17 56780 2013940 1142276 6.56 224512 2226452 12 08:40:31 11147848 14141892 1820880 11.12 117652 3038152 2251648 12.92 508456 4380232 44296 08:50:22 10028712 13673884 2282712 13.94 148084 3594672 2547804 14.62 676564 5251472 24388 09:00:16 10905776 15484784 465384 2.84 175436 4441096 986500 5.66 926620 4045672 16 Average: 11433570 14699340 1272134 7.77 124488 3271965 1732057 9.94 584038 3975957 17178 08:20:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:31 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 08:30:31 ens3 5.09 2.46 83.59 0.22 0.00 0.00 0.00 0.00 08:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:31 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 08:40:31 ens3 108.53 81.81 906.43 15.77 0.00 0.00 0.00 0.00 08:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:22 lo 1.45 1.45 0.14 0.14 0.00 0.00 0.00 0.00 08:50:22 ens3 71.97 54.89 103.63 18.47 0.00 0.00 0.00 0.00 08:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:16 lo 1700.28 1700.28 1607.68 1607.68 0.00 0.00 0.00 0.00 09:00:16 ens3 109.37 97.22 415.62 161.89 0.00 0.00 0.00 0.00 09:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 422.30 422.30 398.86 398.86 0.00 0.00 0.00 0.00 Average: ens3 73.43 58.82 377.30 48.73 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-12719) 05/11/26 _x86_64_ (4 CPU) 08:17:52 LINUX RESTART (4 CPU) 08:20:23 CPU %user %nice %system %iowait %steal %idle 08:30:31 all 0.33 0.00 0.12 0.05 0.03 99.47 08:30:31 0 0.19 0.00 0.09 0.00 0.02 99.68 08:30:31 1 0.45 0.00 0.08 0.01 0.03 99.42 08:30:31 2 0.50 0.00 0.20 0.02 0.02 99.26 08:30:31 3 0.19 0.00 0.10 0.17 0.03 99.50 08:40:31 all 19.72 0.00 0.86 0.25 0.05 79.13 08:40:31 0 21.00 0.00 0.78 0.11 0.04 78.07 08:40:31 1 20.02 0.00 0.95 0.39 0.06 78.59 08:40:31 2 20.48 0.00 0.96 0.09 0.04 78.43 08:40:31 3 17.37 0.00 0.75 0.40 0.06 81.41 08:50:22 all 72.25 0.00 2.24 0.03 0.09 25.39 08:50:22 0 70.44 0.00 2.05 0.02 0.10 27.40 08:50:22 1 73.07 0.00 2.15 0.02 0.10 24.66 08:50:22 2 71.80 0.00 2.14 0.04 0.09 25.92 08:50:22 3 73.68 0.00 2.62 0.03 0.09 23.57 09:00:16 all 43.37 0.00 2.01 1.93 0.08 52.61 09:00:16 0 41.83 0.00 1.91 3.37 0.08 52.81 09:00:16 1 42.98 0.00 1.83 3.97 0.08 51.14 09:00:16 2 48.84 0.00 2.20 0.05 0.09 48.82 09:00:16 3 39.83 0.00 2.10 0.32 0.08 57.67 Average: all 33.60 0.00 1.30 0.56 0.06 64.48 Average: 0 33.06 0.00 1.20 0.87 0.06 64.81 Average: 1 33.81 0.00 1.24 1.09 0.07 63.79 Average: 2 35.08 0.00 1.37 0.05 0.06 63.44 Average: 3 32.45 0.00 1.38 0.23 0.07 65.87