---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6270 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 9.8G 68G 13% / 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 637 10921 4 4430 15009 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:7a:25:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81709sec preferred_lft 81709sec inet6 fe80::f816:3eff:fe7a:256f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:be:d7:33:e4:a6 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-6270) 01/31/26 _x86_64_ (4 CPU) 08:29:48 LINUX RESTART (4 CPU) 08:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:00 17.72 7.15 9.90 0.67 1800.11 5066.80 12893.46 08:50:01 1.34 0.00 1.32 0.01 0.04 17.75 2.15 09:00:01 1.12 0.00 1.12 0.00 0.00 13.19 0.00 09:10:01 1.25 0.03 1.22 0.00 2.27 14.85 0.00 09:20:01 37.40 2.12 34.69 0.59 122.55 2222.05 944.53 09:30:01 2.32 0.00 2.32 0.00 0.00 32.79 0.00 09:40:01 10.57 1.88 8.03 0.66 125.53 2247.03 28.79 Average: 10.24 1.60 8.37 0.28 292.78 1372.88 1980.24 08:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:00 13314584 15515072 496744 3.03 61108 2362756 1132320 6.50 424624 2370680 140 08:50:01 13316592 15517564 494320 3.02 61568 2362720 1130212 6.49 425112 2368656 164 09:00:01 13314896 15516368 495692 3.03 61928 2362852 1130340 6.49 425472 2374432 32 09:10:01 13313636 15516304 495760 3.03 62312 2363656 1132676 6.50 426060 2377676 228 09:20:01 12749816 15515584 458520 2.80 103820 2852416 978400 5.62 560564 2752268 4 09:30:01 12733856 15501020 472856 2.89 104896 2852596 979060 5.62 561644 2757424 52 09:40:01 10292624 13780652 2178492 13.31 131020 3494380 2777768 15.94 758732 4954268 27244 Average: 12719429 15266081 727483 4.44 83807 2664482 1322968 7.59 511744 2850772 3981 08:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:00 lo 0.28 0.28 0.03 0.03 0.00 0.00 0.00 0.00 08:40:00 ens3 29.89 18.60 335.32 2.67 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:01 ens3 0.38 0.11 0.08 0.04 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:00:01 ens3 0.47 0.27 0.08 0.47 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:10:01 ens3 1.01 0.50 0.85 0.20 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 0.27 0.27 0.04 0.04 0.00 0.00 0.00 0.00 09:20:01 ens3 42.40 28.95 315.66 6.57 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:01 ens3 4.81 3.70 84.84 0.55 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 09:40:01 ens3 72.54 55.56 468.68 14.56 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 0.26 0.26 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 21.64 15.38 172.15 3.58 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-6270) 01/31/26 _x86_64_ (4 CPU) 08:29:48 LINUX RESTART (4 CPU) 08:30:00 CPU %user %nice %system %iowait %steal %idle 08:40:00 all 1.02 0.00 0.45 0.25 0.02 98.26 08:40:00 0 0.80 0.00 0.67 0.18 0.02 98.33 08:40:00 1 1.40 0.00 0.29 0.12 0.03 98.17 08:40:00 2 1.00 0.00 0.37 0.58 0.03 98.02 08:40:00 3 0.88 0.00 0.45 0.13 0.02 98.52 08:50:01 all 0.31 0.00 0.03 0.01 0.02 99.63 08:50:01 0 0.02 0.00 0.05 0.00 0.03 99.90 08:50:01 1 0.08 0.00 0.04 0.03 0.03 99.82 08:50:01 2 1.11 0.00 0.02 0.00 0.01 98.85 08:50:01 3 0.01 0.00 0.01 0.00 0.01 99.96 09:00:01 all 0.36 0.00 0.03 0.01 0.02 99.59 09:00:01 0 0.02 0.00 0.03 0.00 0.02 99.94 09:00:01 1 1.34 0.00 0.03 0.00 0.02 98.60 09:00:01 2 0.05 0.00 0.03 0.02 0.03 99.87 09:00:01 3 0.01 0.00 0.01 0.00 0.01 99.96 09:10:01 all 0.23 0.00 0.03 0.01 0.02 99.72 09:10:01 0 0.03 0.00 0.03 0.00 0.01 99.93 09:10:01 1 0.78 0.00 0.03 0.02 0.03 99.14 09:10:01 2 0.05 0.00 0.03 0.01 0.04 99.88 09:10:01 3 0.05 0.00 0.01 0.00 0.01 99.92 09:20:01 all 2.49 0.00 0.31 0.22 0.03 96.96 09:20:01 0 3.56 0.00 0.40 0.12 0.03 95.89 09:20:01 1 2.49 0.00 0.36 0.35 0.03 96.77 09:20:01 2 3.26 0.00 0.23 0.05 0.02 96.44 09:20:01 3 0.63 0.00 0.24 0.36 0.02 98.75 09:30:01 all 0.16 0.00 0.04 0.01 0.02 99.77 09:30:01 0 0.24 0.00 0.03 0.01 0.02 99.70 09:30:01 1 0.11 0.00 0.05 0.01 0.03 99.81 09:30:01 2 0.27 0.00 0.04 0.00 0.02 99.67 09:30:01 3 0.02 0.00 0.04 0.03 0.02 99.89 09:40:01 all 46.92 0.00 1.50 0.04 0.07 51.47 09:40:01 0 47.14 0.00 1.34 0.08 0.07 51.38 09:40:01 1 47.49 0.00 1.74 0.03 0.06 50.67 09:40:01 2 45.75 0.00 1.64 0.02 0.07 52.53 09:40:01 3 47.30 0.00 1.30 0.04 0.07 51.29 Average: all 7.34 0.00 0.34 0.08 0.03 92.21 Average: 0 7.39 0.00 0.36 0.05 0.03 92.16 Average: 1 7.64 0.00 0.36 0.08 0.03 91.88 Average: 2 7.35 0.00 0.34 0.10 0.03 92.18 Average: 3 6.98 0.00 0.29 0.08 0.02 92.62