---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10157 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 13G 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 666 8682 4 6640 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:8b:b8:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83828sec preferred_lft 83828sec inet6 fe80::f816:3eff:fe8b:b8bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:ed:49:bc:22:77 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-10157) 05/01/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:02 24.92 0.43 21.70 2.80 19.43 3003.87 6058.52 19:30:01 32.56 0.01 29.18 3.37 0.15 2467.33 13470.41 19:40:02 12.61 0.04 11.89 0.68 0.77 8117.35 4633.80 Average: 23.35 0.16 20.91 2.28 6.77 4535.41 8048.83 19:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:02 8846192 12376816 3581788 21.88 138968 3513560 3556752 20.42 685352 6450996 3552 19:30:01 8716720 12663980 3291116 20.10 162900 3876128 3226128 18.52 804924 6420708 22192 19:40:02 6208224 12593900 3353116 20.48 184596 6210696 3271624 18.78 1645320 8011288 153892 Average: 7923712 12544899 3408673 20.82 162155 4533461 3351501 19.24 1045199 6960997 59879 19:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:02 lo 1449.89 1449.89 1375.59 1375.59 0.00 0.00 0.00 0.00 19:20:02 ens3 52.60 42.46 55.41 13.91 0.00 0.00 0.00 0.00 19:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1514.83 1514.83 1443.51 1443.51 0.00 0.00 0.00 0.00 19:30:01 ens3 39.01 31.34 45.12 10.61 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:02 lo 2629.54 2629.54 9453.68 9453.68 0.00 0.00 0.00 0.00 19:40:02 ens3 28.18 24.20 100.12 7.15 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1866.02 1866.02 4099.77 4099.77 0.00 0.00 0.00 0.00 Average: ens3 39.91 32.65 66.93 10.55 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-10157) 05/01/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:03 CPU %user %nice %system %iowait %steal %idle 19:20:02 all 70.33 0.00 2.58 0.05 0.08 26.96 19:20:02 0 69.96 0.00 2.25 0.04 0.08 27.66 19:20:02 1 71.77 0.00 2.72 0.05 0.08 25.38 19:20:02 2 70.10 0.00 2.72 0.08 0.08 27.02 19:20:02 3 69.47 0.00 2.63 0.05 0.08 27.77 19:30:01 all 65.06 0.00 2.74 0.08 0.08 32.03 19:30:01 0 65.04 0.00 2.53 0.07 0.08 32.28 19:30:01 1 64.30 0.00 2.40 0.04 0.08 33.17 19:30:01 2 63.45 0.00 3.10 0.14 0.08 33.22 19:30:01 3 67.44 0.00 2.93 0.09 0.09 29.45 19:40:02 all 40.92 0.00 1.62 0.15 0.07 57.24 19:40:02 0 44.32 0.00 1.50 0.14 0.07 53.96 19:40:02 1 33.75 0.00 1.87 0.30 0.08 64.00 19:40:02 2 42.84 0.00 1.52 0.13 0.08 55.43 19:40:02 3 42.76 0.00 1.57 0.04 0.07 55.56 Average: all 58.72 0.00 2.31 0.10 0.08 38.79 Average: 0 59.74 0.00 2.09 0.08 0.08 38.01 Average: 1 56.55 0.00 2.33 0.13 0.08 40.91 Average: 2 58.76 0.00 2.44 0.12 0.08 38.60 Average: 3 59.85 0.00 2.37 0.06 0.08 37.64