---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6004 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 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 635 10370 4 4983 15011 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:ed:58:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83334sec preferred_lft 83334sec inet6 fe80::f816:3eff:feed:58e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:ad:0b:17:d2:3c 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-6004) 03/19/26 _x86_64_ (4 CPU) 09:36:21 LINUX RESTART (4 CPU) 09:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:01 16.15 12.10 3.76 0.29 137.47 277.11 477.67 10:00:21 21.44 1.26 20.06 0.12 91.31 521.08 172.47 10:10:17 18.58 3.00 14.89 0.69 166.33 3677.08 559.92 10:20:01 3.11 0.04 3.00 0.07 3.09 323.32 16.62 Average: 14.94 4.08 10.57 0.29 99.91 1197.66 306.59 09:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:01 13625068 15509176 499652 3.05 59744 2043296 1135444 6.52 261360 2222088 204 10:00:21 13183092 15314312 682548 4.17 75260 2264520 1280556 7.35 321104 2580956 124080 10:10:17 9942764 13050612 2911656 17.78 118292 3139868 3147680 18.07 558104 5510632 20776 10:20:01 10154220 13326068 2635536 16.10 121100 3194908 2844068 16.32 578576 5282448 212 Average: 11726286 14300042 1682348 10.28 93599 2660648 2101937 12.07 429786 3899031 36318 09:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 09:50:01 ens3 6.37 3.03 83.99 0.24 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:21 lo 0.15 0.15 0.02 0.02 0.00 0.00 0.00 0.00 10:00:21 ens3 23.21 17.59 135.59 4.56 0.00 0.00 0.00 0.00 10:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:17 lo 0.49 0.49 0.06 0.06 0.00 0.00 0.00 0.00 10:10:17 ens3 66.23 54.23 792.10 9.75 0.00 0.00 0.00 0.00 10:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 0.51 0.51 0.37 0.37 0.00 0.00 0.00 0.00 10:20:01 ens3 3.69 2.94 0.95 0.92 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.32 0.32 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 24.97 19.52 253.30 3.89 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-6004) 03/19/26 _x86_64_ (4 CPU) 09:36:21 LINUX RESTART (4 CPU) 09:40:07 CPU %user %nice %system %iowait %steal %idle 09:50:01 all 0.29 0.08 0.15 0.26 0.01 99.20 09:50:01 0 0.52 0.00 0.12 0.04 0.02 99.30 09:50:01 1 0.29 0.30 0.14 0.83 0.02 98.43 09:50:01 2 0.21 0.01 0.25 0.05 0.01 99.46 09:50:01 3 0.14 0.01 0.09 0.13 0.02 99.61 10:00:21 all 1.27 0.00 0.15 0.25 0.02 98.31 10:00:21 0 1.20 0.00 0.19 0.48 0.02 98.10 10:00:21 1 1.77 0.00 0.20 0.29 0.02 97.72 10:00:21 2 0.51 0.00 0.05 0.07 0.01 99.36 10:00:21 3 1.59 0.00 0.18 0.16 0.01 98.06 10:10:17 all 54.66 0.00 1.15 0.43 0.11 43.64 10:10:17 0 48.30 0.00 1.12 1.01 0.11 49.45 10:10:17 1 60.06 0.00 1.27 0.26 0.12 38.30 10:10:17 2 58.01 0.00 1.17 0.21 0.11 40.50 10:10:17 3 52.27 0.00 1.05 0.24 0.11 46.32 10:20:01 all 41.56 0.00 0.45 0.70 0.10 57.19 10:20:01 0 28.60 0.00 0.45 1.86 0.08 69.01 10:20:01 1 44.80 0.00 0.46 0.27 0.10 54.36 10:20:01 2 43.80 0.00 0.44 0.40 0.10 55.27 10:20:01 3 49.06 0.00 0.46 0.27 0.10 50.11 Average: all 24.11 0.02 0.47 0.41 0.06 74.93 Average: 0 19.43 0.00 0.47 0.84 0.06 79.20 Average: 1 26.38 0.07 0.51 0.41 0.06 72.56 Average: 2 25.26 0.00 0.47 0.18 0.06 74.02 Average: 3 25.37 0.00 0.44 0.20 0.06 73.93