---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-455779 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: 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 12G 66G 15% / 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 662 9283 4 6043 14984 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:16:29:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84314sec preferred_lft 84314sec inet6 fe80::f816:3eff:fe16:29fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:23:c0:4c:0e:fe 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 inet6 fe80::6023:c0ff:fe4c:efe/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-455779) 03/12/26 _x86_64_ (4 CPU) 22:42:30 LINUX RESTART (4 CPU) 22:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:10 12.94 0.01 10.59 2.33 0.24 670.36 57051.28 23:10:03 51.05 0.19 32.38 18.48 6.04 6755.78 307586.34 Average: 31.73 0.10 21.33 10.29 3.09 3670.31 180558.53 22:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:10 9596592 12977948 2981552 18.21 153144 3360876 3162748 18.15 676280 5710544 908 23:10:03 7371840 12565072 3383680 20.67 189812 5039268 3766440 21.62 1314040 7193164 105900 Average: 8484216 12771510 3182616 19.44 171478 4200072 3464594 19.89 995160 6451854 53404 22:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:10 lo 55.38 55.38 13.89 13.89 0.00 0.00 0.00 0.00 23:00:10 ens3 3.91 3.28 3.20 0.86 0.00 0.00 0.00 0.00 23:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:03 lo 2449.92 2449.92 2349.38 2349.38 0.00 0.00 0.00 0.00 23:10:03 ens3 58.50 47.91 478.28 9.85 0.00 0.00 0.00 0.00 23:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1235.83 1235.83 1165.23 1165.23 0.00 0.00 0.00 0.00 Average: ens3 30.82 25.28 237.40 5.29 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-455779) 03/12/26 _x86_64_ (4 CPU) 22:42:30 LINUX RESTART (4 CPU) 22:50:01 CPU %user %nice %system %iowait %steal %idle 23:00:10 all 13.37 0.00 0.72 0.10 0.08 85.74 23:00:10 0 13.73 0.00 0.66 0.16 0.08 85.38 23:00:10 1 13.20 0.00 0.74 0.12 0.08 85.87 23:00:10 2 13.13 0.00 0.71 0.04 0.08 86.04 23:00:10 3 13.44 0.00 0.76 0.07 0.08 85.66 23:10:03 all 53.57 0.00 2.68 0.75 0.11 42.90 23:10:03 0 53.20 0.00 2.79 1.18 0.10 42.72 23:10:03 1 53.20 0.00 3.21 0.52 0.11 42.97 23:10:03 2 55.21 0.00 2.35 0.40 0.11 41.93 23:10:03 3 52.66 0.00 2.36 0.90 0.11 43.97 Average: all 33.17 0.00 1.68 0.42 0.09 64.64 Average: 0 33.16 0.00 1.71 0.66 0.09 64.38 Average: 1 32.90 0.00 1.95 0.31 0.09 64.74 Average: 2 33.86 0.00 1.52 0.22 0.09 64.31 Average: 3 32.75 0.00 1.55 0.48 0.09 65.13