---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2338 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 599 10515 4 4874 15047 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:9d:24:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84717sec preferred_lft 84717sec inet6 fe80::f816:3eff:fe9d:242e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:82:f7:fb:19:38 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-2338) 08/05/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:33 3.72 0.08 3.45 0.18 7.02 538.93 25.09 10:20:28 19.04 0.53 17.03 1.48 20.07 2265.38 5305.96 Average: 11.23 0.30 10.11 0.82 13.42 1384.99 2613.04 10:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:33 9972564 13101272 2861760 17.48 115856 3166684 3103916 17.82 505392 5551052 9604 10:20:28 10109868 13666908 2291972 14.00 135432 3549516 2518000 14.45 674140 5193248 13860 Average: 10041216 13384090 2576866 15.74 125644 3358100 2810958 16.13 589766 5372150 11732 10:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:33 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 10:10:33 ens3 8.40 7.56 35.29 1.80 0.00 0.00 0.00 0.00 10:10:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:28 lo 569.54 569.54 542.91 542.91 0.00 0.00 0.00 0.00 10:20:28 ens3 37.15 26.46 416.96 3.67 0.00 0.00 0.00 0.00 10:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 279.42 279.42 266.25 266.25 0.00 0.00 0.00 0.00 Average: ens3 22.49 16.82 222.33 2.71 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-2338) 08/05/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:15 CPU %user %nice %system %iowait %steal %idle 10:10:33 all 49.38 0.00 0.74 0.16 0.09 49.64 10:10:33 0 38.03 0.00 0.74 0.09 0.09 61.06 10:10:33 1 61.95 0.00 0.75 0.14 0.09 37.07 10:10:33 2 49.79 0.00 0.70 0.24 0.09 49.17 10:10:33 3 47.75 0.00 0.77 0.15 0.08 51.25 10:20:28 all 56.02 0.00 1.36 0.06 0.09 42.47 10:20:28 0 48.76 0.00 1.32 0.07 0.09 49.77 10:20:28 1 45.50 0.00 1.54 0.09 0.09 52.79 10:20:28 2 68.81 0.00 1.18 0.03 0.10 29.87 10:20:28 3 61.00 0.00 1.38 0.05 0.09 37.48 Average: all 52.63 0.00 1.04 0.11 0.09 46.13 Average: 0 43.28 0.00 1.03 0.08 0.09 55.53 Average: 1 53.89 0.00 1.14 0.11 0.09 44.77 Average: 2 59.11 0.00 0.94 0.14 0.10 39.72 Average: 3 54.24 0.00 1.07 0.10 0.09 44.50