---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23765 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 67G 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 729 10063 4 5196 14917 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:dc:84:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84343sec preferred_lft 84343sec inet6 fe80::f816:3eff:fedc:840b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:55:67:48:06:06 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-23765) 06/04/26 _x86_64_ (4 CPU) 21:22:01 LINUX RESTART (4 CPU) 21:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:40:01 13.65 1.92 10.99 0.74 124.06 2629.10 1926.87 21:50:13 28.20 0.75 23.98 3.47 27.35 4154.84 4388.49 Average: 21.00 1.33 17.55 2.12 75.22 3399.58 3169.95 21:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:40:01 10250152 13950244 2007636 12.26 137116 3670892 2497484 14.34 756288 4971456 28012 21:50:13 8052392 12903136 3045840 18.60 173988 4700216 3593004 20.62 1066040 6758568 22452 Average: 9151272 13426690 2526738 15.43 155552 4185554 3045244 17.48 911164 5865012 25232 21:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:40:01 lo 0.98 0.98 0.10 0.10 0.00 0.00 0.00 0.00 21:40:01 ens3 82.62 69.11 645.87 16.14 0.00 0.00 0.00 0.00 21:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:13 lo 1563.94 1563.94 1490.62 1490.62 0.00 0.00 0.00 0.00 21:50:13 ens3 94.02 70.14 422.92 19.16 0.00 0.00 0.00 0.00 21:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 790.26 790.26 752.79 752.79 0.00 0.00 0.00 0.00 Average: ens3 88.37 69.63 533.28 17.67 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-23765) 06/04/26 _x86_64_ (4 CPU) 21:22:01 LINUX RESTART (4 CPU) 21:30:01 CPU %user %nice %system %iowait %steal %idle 21:40:01 all 48.92 0.00 1.60 0.04 0.08 49.37 21:40:01 0 48.74 0.00 1.78 0.05 0.08 49.36 21:40:01 1 49.56 0.00 1.63 0.05 0.08 48.69 21:40:01 2 49.85 0.00 1.61 0.02 0.08 48.44 21:40:01 3 47.52 0.00 1.39 0.05 0.07 50.97 21:50:13 all 68.25 0.00 2.71 0.28 0.10 28.67 21:50:13 0 66.47 0.00 2.66 0.13 0.10 30.64 21:50:13 1 69.93 0.00 2.76 0.22 0.10 26.99 21:50:13 2 69.01 0.00 2.79 0.57 0.10 27.53 21:50:13 3 67.57 0.00 2.64 0.18 0.10 29.51 Average: all 58.67 0.00 2.16 0.16 0.09 38.92 Average: 0 57.69 0.00 2.22 0.09 0.09 39.91 Average: 1 59.85 0.00 2.20 0.14 0.09 37.73 Average: 2 59.52 0.00 2.20 0.30 0.09 37.88 Average: 3 57.64 0.00 2.02 0.12 0.09 40.14