---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6253 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 661 8863 4 6464 14985 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:02:50:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83941sec preferred_lft 83941sec inet6 fe80::f816:3eff:fe02:50a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:36:3c:73:42:c1 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-6253) 03/20/26 _x86_64_ (4 CPU) 05:23:27 LINUX RESTART (4 CPU) 05:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 28.67 3.04 23.12 2.51 165.96 3702.79 5203.66 05:50:16 27.53 0.01 24.77 2.75 0.16 2224.40 10375.71 06:00:17 25.30 0.31 22.40 2.59 11.55 8530.22 42268.08 Average: 27.16 1.09 23.44 2.62 57.73 4809.87 19350.28 05:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9920056 13431668 2527368 15.44 139368 3502664 2973128 17.07 704376 5371480 24424 05:50:16 8416824 12525752 3429060 20.94 159032 4037676 3456232 19.84 857360 6657628 191940 06:00:17 9145768 15404420 543536 3.32 181832 6093268 1063164 6.10 1623324 5085080 32540 Average: 9160883 13787280 2166655 13.23 160077 4544536 2497508 14.34 1061687 5704729 82968 05:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1440.49 1440.49 1366.35 1366.35 0.00 0.00 0.00 0.00 05:40:01 ens3 120.90 95.91 965.53 19.70 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:16 lo 1180.95 1180.95 1125.02 1125.02 0.00 0.00 0.00 0.00 05:50:16 ens3 39.42 31.58 22.66 10.90 0.00 0.00 0.00 0.00 05:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:17 lo 740.56 740.56 7307.14 7307.14 0.00 0.00 0.00 0.00 06:00:17 ens3 44.76 36.23 118.25 11.07 0.00 0.00 0.00 0.00 06:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1118.02 1118.02 3268.03 3268.03 0.00 0.00 0.00 0.00 Average: ens3 67.63 54.00 360.33 13.81 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-6253) 03/20/26 _x86_64_ (4 CPU) 05:23:27 LINUX RESTART (4 CPU) 05:30:17 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 52.44 0.00 2.06 0.08 0.08 45.35 05:40:01 0 51.74 0.00 2.02 0.03 0.07 46.15 05:40:01 1 54.22 0.00 2.12 0.10 0.08 43.48 05:40:01 2 51.87 0.00 2.02 0.13 0.08 45.92 05:40:01 3 51.92 0.00 2.08 0.05 0.08 45.87 05:50:16 all 65.29 0.00 2.32 0.07 0.10 32.23 05:50:16 0 65.36 0.00 2.48 0.08 0.10 31.99 05:50:16 1 64.25 0.00 2.50 0.08 0.10 33.07 05:50:16 2 66.24 0.00 2.02 0.06 0.10 31.58 05:50:16 3 65.30 0.00 2.27 0.05 0.10 32.28 06:00:17 all 45.20 0.00 1.73 0.33 0.09 52.66 06:00:17 0 45.31 0.00 1.39 0.28 0.08 52.93 06:00:17 1 39.59 0.00 1.90 0.41 0.08 58.02 06:00:17 2 49.67 0.00 1.97 0.40 0.08 47.88 06:00:17 3 46.22 0.00 1.66 0.22 0.09 51.81 Average: all 54.40 0.00 2.04 0.16 0.09 43.32 Average: 0 54.24 0.00 1.96 0.13 0.09 43.59 Average: 1 52.75 0.00 2.18 0.20 0.09 44.79 Average: 2 56.04 0.00 2.00 0.19 0.09 41.68 Average: 3 54.59 0.00 2.00 0.11 0.09 43.21