---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39337 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 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 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 660 8194 4 7134 14986 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:62:76:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83961sec preferred_lft 83961sec inet6 fe80::f816:3eff:fe62:7652/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:43:2b:33:f3:77 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-39337) 08/21/26 _x86_64_ (4 CPU) 04:32:54 LINUX RESTART (4 CPU) 04:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:25 37.28 0.07 21.27 15.93 6.73 2282.62 243497.60 05:00:01 27.36 0.03 24.53 2.79 0.67 4320.21 14061.19 05:10:08 12.78 0.15 11.23 1.40 9.88 7405.22 50555.06 Average: 25.85 0.08 18.93 6.84 5.85 4660.21 105160.50 04:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:25 8448236 12478660 3476992 21.24 151004 3970464 3443596 19.77 771436 6722676 183172 05:00:01 7457360 12306500 3645524 22.27 165688 4738944 3480352 19.98 1016768 7436352 288 05:10:08 8426624 15372400 572432 3.50 182192 6751856 1105188 6.34 1784536 5600200 172 Average: 8110740 13385853 2564983 15.67 166295 5153755 2676379 15.36 1190913 6586409 61211 04:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:25 lo 1327.21 1327.21 1258.39 1258.39 0.00 0.00 0.00 0.00 04:50:25 ens3 39.01 32.64 42.41 10.97 0.00 0.00 0.00 0.00 04:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 lo 1067.60 1067.60 1011.96 1011.96 0.00 0.00 0.00 0.00 05:00:01 ens3 39.54 31.90 28.69 10.82 0.00 0.00 0.00 0.00 05:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:08 lo 2509.07 2509.07 9180.32 9180.32 0.00 0.00 0.00 0.00 05:10:08 ens3 44.95 51.48 131.09 567.78 0.00 0.00 0.00 0.00 05:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1642.61 1642.61 3849.74 3849.74 0.00 0.00 0.00 0.00 Average: ens3 41.18 38.75 67.92 198.60 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-39337) 08/21/26 _x86_64_ (4 CPU) 04:32:54 LINUX RESTART (4 CPU) 04:40:07 CPU %user %nice %system %iowait %steal %idle 04:50:25 all 66.37 0.00 2.27 0.08 0.10 31.19 04:50:25 0 66.07 0.00 2.23 0.14 0.11 31.45 04:50:25 1 66.05 0.00 2.21 0.04 0.10 31.59 04:50:25 2 66.38 0.00 2.15 0.07 0.10 31.29 04:50:25 3 66.96 0.00 2.47 0.06 0.10 30.41 05:00:01 all 53.93 0.00 2.21 0.14 0.10 43.63 05:00:01 0 53.57 0.00 2.36 0.13 0.10 43.84 05:00:01 1 55.08 0.00 2.25 0.16 0.10 42.42 05:00:01 2 52.78 0.00 1.89 0.12 0.10 45.11 05:00:01 3 54.29 0.00 2.33 0.14 0.10 43.15 05:10:08 all 33.21 0.00 1.30 0.16 0.08 65.25 05:10:08 0 31.93 0.00 1.16 0.11 0.08 66.72 05:10:08 1 35.67 0.00 1.14 0.33 0.08 62.78 05:10:08 2 34.91 0.00 1.93 0.12 0.08 62.96 05:10:08 3 30.35 0.00 0.99 0.06 0.08 68.53 Average: all 51.21 0.00 1.92 0.12 0.09 46.65 Average: 0 50.56 0.00 1.91 0.13 0.09 47.31 Average: 1 52.31 0.00 1.86 0.18 0.09 45.56 Average: 2 51.43 0.00 1.99 0.10 0.09 46.38 Average: 3 50.54 0.00 1.92 0.08 0.09 47.36