---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34066 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 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 739 10374 4 4874 14906 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:91:ab:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.170/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84323sec preferred_lft 84323sec inet6 fe80::f816:3eff:fe91:ab6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:15:77:ce:9e:a8 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-34066) 08/10/26 _x86_64_ (4 CPU) 22:58:04 LINUX RESTART (4 CPU) 23:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:01 17.34 2.75 13.97 0.61 159.16 3109.01 900.06 23:20:16 10.91 0.45 9.43 1.03 17.56 2207.06 2542.33 23:30:01 47.11 0.65 27.91 18.55 25.44 4141.10 246831.42 Average: 24.82 1.28 16.95 6.58 67.32 3136.32 81394.11 23:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:01 11304228 14255816 1708640 10.44 116600 2997188 2280844 13.09 466428 4269892 34812 23:20:16 10014152 13617804 2340128 14.29 146504 3553464 2541088 14.59 631940 5308332 19948 23:30:01 10715752 15348056 602696 3.68 174372 4487080 1115244 6.40 905276 4246060 40 Average: 10678044 14407225 1550488 9.47 145825 3679244 1979059 11.36 667881 4608095 18267 23:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:01 lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 23:10:01 ens3 78.39 62.03 808.31 9.85 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:16 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 23:20:16 ens3 66.42 51.22 92.22 16.24 0.00 0.00 0.00 0.00 23:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 lo 1810.71 1810.71 1717.92 1717.92 0.00 0.00 0.00 0.00 23:30:01 ens3 102.82 85.81 445.83 102.64 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 589.11 589.11 558.42 558.42 0.00 0.00 0.00 0.00 Average: ens3 82.24 66.07 445.85 42.19 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-34066) 08/10/26 _x86_64_ (4 CPU) 22:58:04 LINUX RESTART (4 CPU) 23:00:01 CPU %user %nice %system %iowait %steal %idle 23:10:01 all 10.83 0.00 0.55 0.14 0.05 88.42 23:10:01 0 10.44 0.00 0.54 0.05 0.04 88.93 23:10:01 1 9.61 0.00 0.52 0.04 0.08 89.75 23:10:01 2 9.95 0.00 0.58 0.44 0.04 89.00 23:10:01 3 13.32 0.00 0.58 0.05 0.04 86.01 23:20:16 all 70.96 0.00 2.23 2.06 0.13 24.62 23:20:16 0 70.34 0.00 2.27 1.63 0.13 25.64 23:20:16 1 71.70 0.00 2.06 2.51 0.13 23.60 23:20:16 2 70.00 0.00 2.14 2.47 0.13 25.26 23:20:16 3 71.80 0.00 2.44 1.65 0.13 23.98 23:30:01 all 54.78 0.00 2.53 0.43 0.11 42.14 23:30:01 0 53.50 0.00 2.68 0.29 0.10 43.43 23:30:01 1 55.99 0.00 2.29 0.24 0.11 41.37 23:30:01 2 56.14 0.00 2.46 0.84 0.11 40.45 23:30:01 3 53.50 0.00 2.71 0.37 0.11 43.31 Average: all 45.64 0.00 1.77 0.89 0.09 51.61 Average: 0 44.89 0.00 1.83 0.66 0.09 52.53 Average: 1 45.88 0.00 1.62 0.95 0.11 51.45 Average: 2 45.47 0.00 1.72 1.26 0.09 51.45 Average: 3 46.30 0.00 1.91 0.70 0.09 51.00