---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2594 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 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 652 8791 4 6545 14994 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:9e:cf:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84081sec preferred_lft 84081sec inet6 fe80::f816:3eff:fe9e:cf2e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:62:d5:c3:cc:31 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-2594) 01/21/26 _x86_64_ (4 CPU) 08:25:39 LINUX RESTART (4 CPU) 08:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:03 46.84 2.96 27.30 16.57 553.82 4425.83 247263.34 08:50:02 25.73 0.01 23.05 2.67 0.16 2078.51 9490.37 09:00:01 21.87 0.15 19.37 2.36 6.61 9038.56 24087.26 Average: 31.49 1.04 23.24 7.21 187.14 5182.05 93732.09 08:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:03 9730872 13261828 2696916 16.47 134672 3529256 3213064 18.44 799356 5464344 31364 08:50:02 9102260 12991176 2964256 18.10 153832 3839008 3097540 17.78 898900 5939316 26976 09:00:01 9109452 15395612 552664 3.38 172776 6135884 1094204 6.28 1723616 5043072 30048 Average: 9314195 13882872 2071279 12.65 153760 4501383 2468269 14.17 1140624 5482244 29463 08:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:03 lo 1695.85 1695.85 1609.47 1609.47 0.00 0.00 0.00 0.00 08:40:03 ens3 102.04 73.38 771.80 17.70 0.00 0.00 0.00 0.00 08:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:02 lo 1115.19 1115.19 1061.80 1061.80 0.00 0.00 0.00 0.00 08:50:02 ens3 30.88 26.06 23.92 9.74 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 547.49 547.49 4950.03 4950.03 0.00 0.00 0.00 0.00 09:00:01 ens3 38.28 31.13 116.07 17.24 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 Average: lo 1119.81 1119.81 2540.66 2540.66 0.00 0.00 0.00 0.00 Average: ens3 57.10 43.55 304.30 14.90 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-2594) 01/21/26 _x86_64_ (4 CPU) 08:25:39 LINUX RESTART (4 CPU) 08:30:03 CPU %user %nice %system %iowait %steal %idle 08:40:03 all 64.87 0.00 2.77 2.13 0.22 30.01 08:40:03 0 63.46 0.00 3.38 3.80 0.24 29.12 08:40:03 1 65.59 0.00 2.76 2.57 0.32 28.76 08:40:03 2 63.52 0.00 2.41 0.89 0.20 32.97 08:40:03 3 66.92 0.00 2.53 1.25 0.14 29.17 08:50:02 all 62.51 0.00 2.45 0.99 0.16 33.89 08:50:02 0 60.46 0.00 2.43 0.77 0.16 36.18 08:50:02 1 64.15 0.00 2.34 2.26 0.15 31.11 08:50:02 2 63.68 0.00 2.39 0.44 0.16 33.33 08:50:02 3 61.76 0.00 2.63 0.49 0.16 34.96 09:00:01 all 41.68 0.00 2.10 1.24 0.15 54.84 09:00:01 0 48.37 0.00 2.91 0.87 0.15 47.70 09:00:01 1 40.31 0.00 2.09 1.17 0.14 56.30 09:00:01 2 39.72 0.00 1.53 0.71 0.13 57.91 09:00:01 3 38.37 0.00 1.87 2.20 0.18 57.39 Average: all 56.37 0.00 2.44 1.45 0.18 39.57 Average: 0 57.46 0.00 2.91 1.82 0.18 37.63 Average: 1 56.67 0.00 2.40 2.00 0.20 38.73 Average: 2 55.64 0.00 2.11 0.68 0.16 41.40 Average: 3 55.69 0.00 2.35 1.31 0.16 40.50