---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12213 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 66G 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 716 9377 4 5895 14930 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:04:d4:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84763sec preferred_lft 84763sec inet6 fe80::f816:3eff:fe04:d408/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:35:46:6f:b3:45 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-12213) 05/09/26 _x86_64_ (4 CPU) 07:08:31 LINUX RESTART (4 CPU) 07:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:09 31.10 3.36 24.49 3.25 176.24 4890.31 43921.03 07:30:09 20.74 0.16 17.65 2.93 4.89 1648.20 25563.96 Average: 25.96 1.77 21.09 3.09 91.16 3280.39 34805.54 07:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:09 9779892 13201992 2757720 16.84 122208 3429796 3023392 17.35 661492 5555904 564 07:30:09 9178552 12978456 2978008 18.19 142592 3759464 3177252 18.24 790520 6000312 28820 Average: 9479222 13090224 2867864 17.52 132400 3594630 3100322 17.80 726006 5778108 14692 07:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:09 lo 23.36 23.36 5.47 5.47 0.00 0.00 0.00 0.00 07:20:09 ens3 71.24 54.33 691.77 10.43 0.00 0.00 0.00 0.00 07:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:09 lo 1219.43 1219.43 1131.93 1131.93 0.00 0.00 0.00 0.00 07:30:09 ens3 43.91 30.31 265.12 6.71 0.00 0.00 0.00 0.00 07:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 617.29 617.29 564.83 564.83 0.00 0.00 0.00 0.00 Average: ens3 57.67 42.40 479.91 8.58 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-12213) 05/09/26 _x86_64_ (4 CPU) 07:08:31 LINUX RESTART (4 CPU) 07:10:01 CPU %user %nice %system %iowait %steal %idle 07:20:09 all 38.14 0.00 1.42 0.16 0.09 60.19 07:20:09 0 38.88 0.00 1.77 0.13 0.09 59.14 07:20:09 1 37.18 0.00 1.19 0.09 0.08 61.46 07:20:09 2 37.73 0.00 1.58 0.25 0.09 60.35 07:20:09 3 38.79 0.00 1.15 0.17 0.09 59.81 07:30:09 all 26.82 0.00 1.51 0.10 0.08 71.49 07:30:09 0 25.91 0.00 1.35 0.05 0.08 72.61 07:30:09 1 25.99 0.00 1.66 0.25 0.08 72.02 07:30:09 2 27.34 0.00 1.46 0.06 0.08 71.07 07:30:09 3 28.06 0.00 1.56 0.05 0.08 70.25 Average: all 32.53 0.00 1.47 0.13 0.08 65.79 Average: 0 32.44 0.00 1.56 0.09 0.08 65.82 Average: 1 31.62 0.00 1.43 0.17 0.08 66.70 Average: 2 32.57 0.00 1.52 0.16 0.08 65.67 Average: 3 33.46 0.00 1.35 0.11 0.08 64.99