---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-692 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 12G 66G 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 629 8835 4 6525 15017 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:09:29:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84456sec preferred_lft 84456sec inet6 fe80::f816:3eff:fe09:294f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:a6:7d:21:02:fb 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-692) 04/07/26 _x86_64_ (4 CPU) 09:08:50 LINUX RESTART (4 CPU) 09:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:16 61.05 4.75 52.89 3.41 272.90 6004.42 5841.48 09:30:16 28.46 0.02 25.60 2.84 0.24 2447.13 11451.23 09:40:01 14.22 0.03 13.28 0.90 0.72 8917.62 5001.96 Average: 34.74 1.61 30.73 2.40 91.95 5762.45 7453.69 09:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:16 9686428 13106360 2853124 17.43 133840 3419160 3024996 17.36 656924 5659284 23540 09:30:16 8962956 12820772 3135088 19.15 155748 3799920 3120160 17.91 776972 6191160 26012 09:40:01 9165088 15475892 472600 2.89 173456 6151368 1005060 5.77 1617132 5076008 29936 Average: 9271491 13801008 2153604 13.15 154348 4456816 2383405 13.68 1017009 5642151 26496 09:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:16 lo 1566.34 1566.34 1486.77 1486.77 0.00 0.00 0.00 0.00 09:20:16 ens3 124.82 92.94 1085.88 16.04 0.00 0.00 0.00 0.00 09:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:16 lo 1288.29 1288.29 1227.06 1227.06 0.00 0.00 0.00 0.00 09:30:16 ens3 27.37 23.65 42.46 7.16 0.00 0.00 0.00 0.00 09:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 2700.41 2700.41 9716.13 9716.13 0.00 0.00 0.00 0.00 09:40:01 ens3 31.23 26.82 140.00 13.37 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1844.51 1844.51 4096.78 4096.78 0.00 0.00 0.00 0.00 Average: ens3 61.36 47.96 424.79 12.17 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-692) 04/07/26 _x86_64_ (4 CPU) 09:08:50 LINUX RESTART (4 CPU) 09:10:16 CPU %user %nice %system %iowait %steal %idle 09:20:16 all 59.97 0.00 2.46 0.37 0.09 37.11 09:20:16 0 60.99 0.00 2.35 0.36 0.09 36.20 09:20:16 1 58.30 0.00 2.58 0.60 0.09 38.43 09:20:16 2 58.09 0.00 2.61 0.42 0.09 38.79 09:20:16 3 62.52 0.00 2.30 0.08 0.09 35.02 09:30:16 all 65.73 0.00 2.35 0.06 0.09 31.77 09:30:16 0 65.75 0.00 2.41 0.04 0.09 31.71 09:30:16 1 67.63 0.00 2.40 0.04 0.09 29.84 09:30:16 2 65.26 0.00 2.22 0.12 0.09 32.31 09:30:16 3 64.29 0.00 2.35 0.05 0.09 33.22 09:40:01 all 42.63 0.00 1.61 0.13 0.09 55.54 09:40:01 0 38.13 0.00 1.26 0.26 0.08 60.27 09:40:01 1 44.93 0.00 1.58 0.13 0.09 53.27 09:40:01 2 48.76 0.00 1.60 0.07 0.09 49.47 09:40:01 3 38.71 0.00 1.98 0.07 0.09 59.15 Average: all 56.22 0.00 2.14 0.19 0.09 41.36 Average: 0 55.09 0.00 2.02 0.22 0.09 42.59 Average: 1 57.05 0.00 2.19 0.26 0.09 40.41 Average: 2 57.44 0.00 2.15 0.20 0.09 40.11 Average: 3 55.30 0.00 2.21 0.07 0.09 42.33