---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-794 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 683 10276 4 5029 14963 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:5d:e6:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83751sec preferred_lft 83751sec inet6 fe80::f816:3eff:fe5d:e6e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:69:45:9c:aa:79 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-794) 07/31/26 _x86_64_ (4 CPU) 02:58:37 LINUX RESTART (4 CPU) 03:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:18 12.58 1.11 10.80 0.67 65.03 2378.60 24508.23 03:20:18 6.85 1.89 4.82 0.15 122.54 1436.09 405.03 03:30:01 11.23 0.43 9.73 1.06 16.64 2145.02 2624.77 03:40:18 28.13 0.62 23.32 4.20 24.38 3880.01 2908.53 Average: 14.81 1.01 12.26 1.54 57.26 2471.76 7729.48 03:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:18 12815592 15495840 474272 2.90 102932 2763564 990824 5.69 359964 2852144 48 03:20:18 11010124 14188820 1773204 10.83 121096 3209872 2466488 14.16 496164 4521792 42500 03:30:01 9442496 13218972 2736856 16.72 149660 3718160 2886784 16.57 652332 5861208 27068 03:40:18 10587960 15378524 570668 3.49 177208 4637996 1109844 6.37 919580 4359652 12 Average: 10964043 14570539 1388750 8.48 137724 3582398 1863485 10.70 607010 4398699 17407 03:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:18 lo 0.28 0.28 0.03 0.03 0.00 0.00 0.00 0.00 03:10:18 ens3 42.53 22.82 519.44 3.44 0.00 0.00 0.00 0.00 03:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:18 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 03:20:18 ens3 55.01 43.79 599.57 7.28 0.00 0.00 0.00 0.00 03:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 03:30:01 ens3 61.57 50.08 98.88 16.48 0.00 0.00 0.00 0.00 03:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:18 lo 1636.84 1636.84 1552.99 1552.99 0.00 0.00 0.00 0.00 03:40:18 ens3 102.50 85.97 403.22 98.39 0.00 0.00 0.00 0.00 03:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 418.57 418.57 396.72 396.72 0.00 0.00 0.00 0.00 Average: ens3 65.54 50.73 408.23 31.79 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-794) 07/31/26 _x86_64_ (4 CPU) 02:58:37 LINUX RESTART (4 CPU) 03:00:02 CPU %user %nice %system %iowait %steal %idle 03:10:18 all 1.43 0.00 0.26 0.23 0.02 98.06 03:10:18 0 1.24 0.00 0.24 0.09 0.02 98.41 03:10:18 1 2.02 0.00 0.25 0.14 0.02 97.57 03:10:18 2 1.78 0.00 0.28 0.16 0.02 97.76 03:10:18 3 0.70 0.00 0.26 0.52 0.02 98.50 03:20:18 all 14.96 0.00 0.59 0.05 0.04 84.37 03:20:18 0 15.55 0.00 0.51 0.01 0.03 83.91 03:20:18 1 14.49 0.00 0.56 0.06 0.04 84.85 03:20:18 2 14.30 0.00 0.68 0.06 0.04 84.91 03:20:18 3 15.49 0.00 0.62 0.06 0.04 83.79 03:30:01 all 72.58 0.00 2.39 0.04 0.12 24.88 03:30:01 0 70.94 0.00 2.19 0.03 0.12 26.73 03:30:01 1 73.02 0.00 2.83 0.05 0.12 23.99 03:30:01 2 73.45 0.00 2.28 0.03 0.12 24.12 03:30:01 3 72.90 0.00 2.25 0.06 0.12 24.67 03:40:18 all 51.75 0.00 2.32 0.06 0.10 45.77 03:40:18 0 52.31 0.00 2.19 0.03 0.10 45.38 03:40:18 1 51.71 0.00 2.37 0.04 0.09 45.78 03:40:18 2 51.22 0.00 2.32 0.08 0.09 46.30 03:40:18 3 51.76 0.00 2.42 0.09 0.10 45.63 Average: all 34.78 0.00 1.38 0.10 0.07 63.68 Average: 0 34.63 0.00 1.27 0.04 0.07 63.99 Average: 1 34.92 0.00 1.49 0.08 0.07 63.45 Average: 2 34.79 0.00 1.38 0.08 0.07 63.68 Average: 3 34.78 0.00 1.38 0.19 0.07 63.59