---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46640 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 634 10415 4 4939 15011 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:06:c5:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84550sec preferred_lft 84550sec inet6 fe80::f816:3eff:fe06:c577/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:e4:03:cc:4d:2a 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46640) 09/01/26 _x86_64_ (4 CPU) 14:39:46 LINUX RESTART (4 CPU) 14:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:15 60.67 11.07 35.97 13.63 1553.81 7998.32 237474.95 15:00:15 11.72 0.48 10.10 1.14 17.00 2687.96 2966.83 15:10:08 26.87 0.66 21.88 4.33 28.17 3885.89 6368.25 Average: 33.34 4.14 22.76 6.43 543.55 4887.50 83872.07 14:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:15 11486360 14444800 1518340 9.27 115152 3006892 2052044 11.78 474432 4074560 33480 15:00:15 9779452 13523160 2432668 14.86 150700 3678712 2787784 16.00 667496 5504800 22984 15:10:08 10753092 15453220 496152 3.03 174652 4550344 1005152 5.77 930084 4164796 8996 Average: 10672968 14473727 1482387 9.05 146835 3745316 1948327 11.18 690671 4581385 21820 14:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:15 lo 0.58 0.58 0.06 0.06 0.00 0.00 0.00 0.00 14:50:15 ens3 98.47 80.84 947.26 15.69 0.00 0.00 0.00 0.00 14:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:15 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 15:00:15 ens3 55.95 43.95 135.53 17.30 0.00 0.00 0.00 0.00 15:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:08 lo 1802.72 1802.72 1706.16 1706.16 0.00 0.00 0.00 0.00 15:10:08 ens3 102.97 93.12 449.54 168.16 0.00 0.00 0.00 0.00 15:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 591.65 591.65 559.40 559.40 0.00 0.00 0.00 0.00 Average: ens3 85.83 72.62 514.66 66.21 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46640) 09/01/26 _x86_64_ (4 CPU) 14:39:46 LINUX RESTART (4 CPU) 14:40:00 CPU %user %nice %system %iowait %steal %idle 14:50:15 all 12.98 0.00 0.88 0.46 0.01 85.68 14:50:15 0 12.10 0.00 0.74 0.24 0.01 86.90 14:50:15 1 15.08 0.00 1.16 0.76 0.01 82.98 14:50:15 2 13.39 0.00 0.93 0.26 0.01 85.41 14:50:15 3 11.34 0.00 0.67 0.57 0.01 87.41 15:00:15 all 72.93 0.00 2.41 0.03 0.03 24.60 15:00:15 0 71.37 0.00 2.63 0.03 0.03 25.94 15:00:15 1 70.61 0.00 2.31 0.02 0.03 27.03 15:00:15 2 73.69 0.00 2.17 0.03 0.03 24.08 15:00:15 3 76.04 0.00 2.52 0.06 0.04 21.34 15:10:08 all 44.51 0.00 2.34 0.11 0.02 53.01 15:10:08 0 44.90 0.00 2.43 0.06 0.02 52.59 15:10:08 1 47.39 0.00 2.34 0.14 0.02 50.11 15:10:08 2 41.45 0.00 2.03 0.16 0.02 56.33 15:10:08 3 44.30 0.00 2.57 0.09 0.02 53.01 Average: all 43.21 0.00 1.87 0.20 0.02 54.70 Average: 0 42.52 0.00 1.92 0.11 0.02 55.43 Average: 1 44.11 0.00 1.93 0.31 0.02 53.63 Average: 2 42.60 0.00 1.70 0.15 0.02 55.53 Average: 3 43.63 0.00 1.91 0.24 0.02 54.20