---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9707 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: 5599.94 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 9.9G 68G 13% / 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 701 10983 4 4304 14945 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:af:f4:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84767sec preferred_lft 84767sec inet6 fe80::f816:3eff:feaf:f459/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:44:41:b3:0f:22 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-9707) 04/29/26 _x86_64_ (4 CPU) 21:55:51 LINUX RESTART (4 CPU) 22:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:08 39.25 2.60 30.91 5.75 144.10 3862.55 10287.99 22:20:01 39.03 0.32 32.11 6.59 12.18 4010.00 8923.79 Average: 39.14 1.46 31.51 6.17 78.37 3936.02 9608.32 22:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:08 10610720 13920684 2039716 12.46 147280 3291972 2535544 14.55 550312 4843032 101976 22:20:01 11337240 15382288 572008 3.49 199136 3909288 1095760 6.29 783712 3787168 204 Average: 10973980 14651486 1305862 7.98 173208 3600630 1815652 10.42 667012 4315100 51090 22:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:08 lo 3161.84 3161.84 3014.86 3014.86 0.00 0.00 0.00 0.00 22:10:08 ens3 143.06 109.86 788.95 27.06 0.00 0.00 0.00 0.00 22:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 2972.14 2972.14 2826.19 2826.19 0.00 0.00 0.00 0.00 22:20:01 ens3 110.70 96.47 144.65 111.49 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3067.33 3067.33 2920.87 2920.87 0.00 0.00 0.00 0.00 Average: ens3 126.94 103.19 467.95 69.13 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-9707) 04/29/26 _x86_64_ (4 CPU) 21:55:51 LINUX RESTART (4 CPU) 22:00:10 CPU %user %nice %system %iowait %steal %idle 22:10:08 all 52.01 0.00 2.99 0.10 0.09 44.81 22:10:08 0 52.19 0.00 2.84 0.09 0.09 44.80 22:10:08 1 51.99 0.00 3.23 0.12 0.08 44.57 22:10:08 2 51.43 0.00 3.08 0.07 0.10 45.32 22:10:08 3 52.45 0.00 2.79 0.11 0.09 44.55 22:20:01 all 48.07 0.00 2.94 0.41 0.11 48.47 22:20:01 0 48.77 0.00 2.62 0.47 0.10 48.04 22:20:01 1 49.02 0.00 3.33 0.61 0.15 46.89 22:20:01 2 46.27 0.00 2.96 0.32 0.10 50.36 22:20:01 3 48.23 0.00 2.83 0.24 0.10 48.59 Average: all 50.05 0.00 2.96 0.25 0.10 46.63 Average: 0 50.48 0.00 2.73 0.28 0.09 46.41 Average: 1 50.51 0.00 3.28 0.37 0.12 45.73 Average: 2 48.86 0.00 3.02 0.19 0.10 47.83 Average: 3 50.35 0.00 2.81 0.18 0.10 46.56