---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34765 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: 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 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 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 677 8923 4 6388 14969 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:87:01:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84748sec preferred_lft 84748sec inet6 fe80::f816:3eff:fe87:1ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:97:58:5b:8b:8b 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-34765) 07/11/26 _x86_64_ (4 CPU) 07:08:30 LINUX RESTART (4 CPU) 07:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:21 47.44 14.88 28.84 3.72 303.27 6014.14 42414.84 07:30:22 22.26 0.15 19.06 3.05 5.07 1748.43 16390.95 Average: 35.04 7.63 24.02 3.39 156.48 3914.27 29604.13 07:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:21 9113620 13037076 2918640 17.83 132936 3890252 3280476 18.83 766496 6081592 240 07:30:22 8156592 12633408 3318244 20.27 153616 4387608 3489672 20.03 923112 6832008 177276 Average: 8635106 12835242 3118442 19.05 143276 4138930 3385074 19.43 844804 6456800 88758 07:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:21 lo 24.51 24.51 5.65 5.65 0.00 0.00 0.00 0.00 07:20:21 ens3 89.87 66.78 1091.84 11.11 0.00 0.00 0.00 0.00 07:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:22 lo 1282.03 1282.03 1194.03 1194.03 0.00 0.00 0.00 0.00 07:30:22 ens3 44.80 32.04 267.32 7.55 0.00 0.00 0.00 0.00 07:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 643.55 643.55 590.65 590.65 0.00 0.00 0.00 0.00 Average: ens3 67.68 49.68 685.96 9.36 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-34765) 07/11/26 _x86_64_ (4 CPU) 07:08:30 LINUX RESTART (4 CPU) 07:10:01 CPU %user %nice %system %iowait %steal %idle 07:20:21 all 37.54 0.07 1.68 0.30 0.09 60.32 07:20:21 0 38.47 0.09 1.52 0.35 0.09 59.48 07:20:21 1 37.62 0.00 2.11 0.26 0.09 59.92 07:20:21 2 36.75 0.05 1.61 0.29 0.09 61.22 07:20:21 3 37.31 0.14 1.50 0.30 0.09 60.67 07:30:22 all 29.30 0.00 1.56 0.06 0.09 68.98 07:30:22 0 27.66 0.00 1.53 0.06 0.09 70.66 07:30:22 1 30.30 0.00 1.53 0.05 0.09 68.03 07:30:22 2 29.25 0.00 1.51 0.11 0.10 69.03 07:30:22 3 29.98 0.00 1.69 0.03 0.09 68.21 Average: all 33.48 0.03 1.63 0.18 0.09 64.58 Average: 0 33.15 0.04 1.52 0.21 0.09 64.99 Average: 1 34.02 0.00 1.83 0.16 0.09 63.91 Average: 2 33.06 0.02 1.56 0.20 0.09 65.06 Average: 3 33.71 0.07 1.59 0.17 0.09 64.38