---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41442 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 12G 66G 15% / 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 669 9266 4 6053 14976 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:87:0e:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84521sec preferred_lft 84521sec inet6 fe80::f816:3eff:fe87:eb4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:3a:3f:68:7b:dd 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-41442) 08/27/26 _x86_64_ (4 CPU) 10:59:58 LINUX RESTART (4 CPU) 11:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:00 69.50 15.32 50.80 3.38 1712.01 16672.75 62159.28 11:20:00 9.40 0.01 8.04 1.34 0.11 663.41 28883.43 11:30:00 35.80 0.44 30.71 4.64 18.55 8276.76 13320.29 Average: 38.21 5.25 29.84 3.12 576.26 8533.16 34772.60 11:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:00 9401236 12890280 3068136 18.74 128144 3483036 3302540 18.96 660356 5909960 3424 11:20:00 9301312 12949524 3007356 18.37 138928 3616220 3226240 18.52 694764 5964572 2332 11:30:00 9535564 15375404 570100 3.48 175968 5668484 1101708 6.32 1584308 4703660 92 Average: 9412704 13738403 2215197 13.53 147680 4255913 2543496 14.60 979809 5526064 1949 11:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:00 lo 10.65 10.65 2.40 2.40 0.00 0.00 0.00 0.00 11:10:00 ens3 117.26 93.74 1057.32 20.09 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 55.37 55.37 13.91 13.91 0.00 0.00 0.00 0.00 11:20:00 ens3 5.07 4.32 4.49 1.68 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:00 lo 2220.05 2220.05 2135.31 2135.31 0.00 0.00 0.00 0.00 11:30:00 ens3 104.59 103.85 517.50 851.01 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 762.44 762.44 717.60 717.60 0.00 0.00 0.00 0.00 Average: ens3 75.62 67.29 526.14 291.07 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-41442) 08/27/26 _x86_64_ (4 CPU) 10:59:58 LINUX RESTART (4 CPU) 11:00:00 CPU %user %nice %system %iowait %steal %idle 11:10:00 all 33.65 0.00 1.85 0.63 0.02 63.85 11:10:00 0 32.60 0.00 2.05 0.44 0.03 64.88 11:10:00 1 33.43 0.00 1.87 0.48 0.02 64.20 11:10:00 2 35.79 0.00 1.92 0.78 0.02 61.49 11:10:00 3 32.77 0.00 1.57 0.83 0.02 64.82 11:20:00 all 15.64 0.00 0.93 0.07 0.01 83.36 11:20:00 0 14.84 0.00 0.97 0.07 0.01 84.11 11:20:00 1 16.11 0.00 1.05 0.11 0.02 82.72 11:20:00 2 15.38 0.00 0.87 0.03 0.01 83.71 11:20:00 3 16.22 0.00 0.82 0.06 0.01 82.89 11:30:00 all 47.57 0.00 2.67 0.16 0.02 49.57 11:30:00 0 47.36 0.00 2.88 0.10 0.02 49.63 11:30:00 1 46.59 0.00 2.46 0.31 0.02 50.62 11:30:00 2 47.87 0.00 2.69 0.12 0.02 49.30 11:30:00 3 48.47 0.00 2.66 0.11 0.02 48.74 Average: all 32.29 0.00 1.82 0.29 0.02 65.59 Average: 0 31.61 0.00 1.97 0.20 0.02 66.20 Average: 1 32.05 0.00 1.79 0.30 0.02 65.83 Average: 2 33.01 0.00 1.82 0.31 0.02 64.84 Average: 3 32.49 0.00 1.68 0.34 0.02 65.48