---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46631 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: 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 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 13G 65G 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 656 8371 4 6960 14988 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:a1:51:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83744sec preferred_lft 83744sec inet6 fe80::f816:3eff:fea1:5199/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:4a:cf:a2:de:a3 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-46631) 09/01/26 _x86_64_ (4 CPU) 13:55:26 LINUX RESTART (4 CPU) 14:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:27 42.37 3.18 23.04 16.14 190.11 4706.89 254398.59 14:20:27 22.61 0.02 20.15 2.45 0.40 2080.51 8572.76 14:30:27 21.07 0.03 19.18 1.86 0.68 3587.13 7628.27 Average: 28.68 1.08 20.79 6.82 63.73 3458.16 90198.51 14:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:27 9272620 13096880 2858908 17.46 148924 3788228 3116236 17.89 686676 6015092 22132 14:20:27 8675220 12891540 3061544 18.70 164272 4132916 3041620 17.46 799888 6467328 19144 14:30:27 5361280 10443828 5505820 33.63 175936 4953228 5371940 30.83 1055040 9480020 308 Average: 7769707 12144083 3808757 23.26 163044 4291457 3843265 22.06 847201 7320813 13861 14:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:27 lo 1366.11 1366.11 1295.86 1295.86 0.00 0.00 0.00 0.00 14:10:27 ens3 136.93 101.92 1374.31 20.78 0.00 0.00 0.00 0.00 14:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:27 lo 1113.81 1113.81 1061.09 1061.09 0.00 0.00 0.00 0.00 14:20:27 ens3 29.34 22.49 21.86 10.08 0.00 0.00 0.00 0.00 14:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:27 lo 840.50 840.50 2048.26 2048.26 0.00 0.00 0.00 0.00 14:30:27 ens3 16.52 12.37 14.79 5.33 0.00 0.00 0.00 0.00 14:30:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1106.81 1106.81 1468.40 1468.40 0.00 0.00 0.00 0.00 Average: ens3 60.93 45.59 470.31 12.06 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-46631) 09/01/26 _x86_64_ (4 CPU) 13:55:26 LINUX RESTART (4 CPU) 14:00:27 CPU %user %nice %system %iowait %steal %idle 14:10:27 all 51.28 0.00 2.55 0.20 0.03 45.94 14:10:27 0 52.71 0.00 2.49 0.21 0.03 44.55 14:10:27 1 51.93 0.00 2.81 0.17 0.03 45.05 14:10:27 2 49.70 0.00 2.32 0.18 0.04 47.76 14:10:27 3 50.79 0.00 2.56 0.22 0.04 46.39 14:20:27 all 64.80 0.00 2.54 0.06 0.05 32.55 14:20:27 0 64.58 0.00 2.38 0.05 0.04 32.96 14:20:27 1 64.98 0.00 2.80 0.05 0.04 32.12 14:20:27 2 64.73 0.00 2.49 0.10 0.05 32.63 14:20:27 3 64.92 0.00 2.50 0.05 0.05 32.48 14:30:27 all 35.45 0.00 1.77 0.11 0.03 62.65 14:30:27 0 31.63 0.00 1.95 0.10 0.03 66.29 14:30:27 1 34.89 0.00 1.65 0.18 0.03 63.26 14:30:27 2 38.64 0.00 1.55 0.07 0.03 59.71 14:30:27 3 36.63 0.00 1.93 0.07 0.03 61.33 Average: all 50.51 0.00 2.29 0.12 0.04 47.05 Average: 0 49.64 0.00 2.27 0.12 0.03 47.93 Average: 1 50.59 0.00 2.42 0.13 0.04 46.82 Average: 2 51.02 0.00 2.12 0.12 0.04 46.71 Average: 3 50.78 0.00 2.33 0.12 0.04 46.74