---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41300 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 13G 65G 17% / 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 691 8032 4 7265 14954 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:10:90:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83662sec preferred_lft 83662sec inet6 fe80::f816:3eff:fe10:9089/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:75:0c:f5:01:ff 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-41300) 08/26/26 _x86_64_ (4 CPU) 19:01:44 LINUX RESTART (4 CPU) 19:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:05 34.64 0.07 18.25 16.32 7.14 2163.66 247293.51 19:30:14 32.78 0.02 29.26 3.51 0.54 2445.61 27882.16 19:40:14 7.62 0.02 7.02 0.57 0.55 3018.35 39855.56 Average: 25.00 0.04 18.23 6.73 2.71 2543.98 103891.06 19:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:05 7901616 11723832 4231948 25.85 147936 3782064 4163380 23.90 737192 7328112 2184 19:30:14 8517264 12765836 3186508 19.46 169100 4156528 3141948 18.03 856056 6549284 40004 19:40:14 5014176 10008572 5940976 36.29 172884 4872280 5535048 31.77 1069544 9774964 340 Average: 7144352 11499413 4453144 27.20 163307 4270291 4280125 24.57 887597 7884120 14176 19:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:05 lo 1303.63 1303.63 1235.93 1235.93 0.00 0.00 0.00 0.00 19:20:05 ens3 39.23 32.17 73.06 12.90 0.00 0.00 0.00 0.00 19:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:14 lo 1645.69 1645.69 1568.76 1568.76 0.00 0.00 0.00 0.00 19:30:14 ens3 32.47 25.38 21.26 11.12 0.00 0.00 0.00 0.00 19:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:14 lo 2371.30 2371.30 9081.18 9081.18 0.00 0.00 0.00 0.00 19:40:14 ens3 9.22 6.91 7.95 3.11 0.00 0.00 0.00 0.00 19:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1775.29 1775.29 3963.68 3963.68 0.00 0.00 0.00 0.00 Average: ens3 26.94 21.45 33.83 9.04 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-41300) 08/26/26 _x86_64_ (4 CPU) 19:01:44 LINUX RESTART (4 CPU) 19:10:14 CPU %user %nice %system %iowait %steal %idle 19:20:05 all 64.67 0.00 2.65 0.08 0.04 32.55 19:20:05 0 63.55 0.00 2.40 0.07 0.04 33.94 19:20:05 1 65.04 0.00 3.21 0.17 0.05 31.52 19:20:05 2 64.75 0.00 2.57 0.04 0.04 32.60 19:20:05 3 65.34 0.00 2.42 0.05 0.04 32.15 19:30:14 all 62.23 0.00 2.94 0.12 0.04 34.67 19:30:14 0 61.48 0.00 3.01 0.21 0.04 35.26 19:30:14 1 62.65 0.00 3.09 0.09 0.04 34.14 19:30:14 2 62.56 0.00 2.96 0.08 0.04 34.36 19:30:14 3 62.24 0.00 2.69 0.09 0.04 34.93 19:40:14 all 33.17 0.00 1.34 0.09 0.02 65.39 19:40:14 0 34.32 0.00 1.59 0.06 0.02 64.01 19:40:14 1 34.99 0.00 1.06 0.04 0.02 63.90 19:40:14 2 30.39 0.00 1.20 0.04 0.02 68.36 19:40:14 3 32.99 0.00 1.51 0.20 0.01 65.29 Average: all 53.34 0.00 2.31 0.10 0.03 44.22 Average: 0 53.10 0.00 2.34 0.12 0.03 44.42 Average: 1 54.21 0.00 2.45 0.10 0.03 43.20 Average: 2 52.54 0.00 2.25 0.05 0.03 45.13 Average: 3 53.52 0.00 2.21 0.11 0.03 44.13