---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5071 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 67G 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 757 9257 4 5974 14889 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:53:e4:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84008sec preferred_lft 84008sec inet6 fe80::f816:3eff:fe53:e47a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:9a:83:f0:f9:0c 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-5071) 01/27/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:04 22.05 0.78 19.72 1.54 24.38 4352.89 2016.78 20:50:09 58.70 0.00 46.91 11.80 0.00 2981.52 6731.07 21:00:00 28.34 0.14 23.92 4.28 6.55 4789.47 1567.62 Average: 36.44 0.31 30.24 5.89 10.32 4035.27 3454.28 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:04 9190028 13450488 2500580 15.27 183752 4128612 2720464 15.62 940852 5769120 87008 20:50:09 8306604 13000036 2947252 18.00 208572 4499216 3166168 18.17 1036020 6525440 93888 21:00:00 9585944 15337564 605556 3.70 240552 5469300 1097996 6.30 1409656 4785180 4 Average: 9027525 13929363 2017796 12.32 210959 4699043 2328209 13.36 1128843 5693247 60300 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:04 lo 373.17 373.17 354.55 354.55 0.00 0.00 0.00 0.00 20:40:04 ens3 84.95 63.73 303.04 20.05 0.00 0.00 0.00 0.00 20:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:09 lo 5766.19 5766.19 5496.10 5496.10 0.00 0.00 0.00 0.00 20:50:09 ens3 85.87 62.16 27.40 20.47 0.00 0.00 0.00 0.00 20:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 1775.62 1775.62 1680.45 1680.45 0.00 0.00 0.00 0.00 21:00:00 ens3 97.86 91.38 138.88 156.82 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2647.39 2647.39 2519.06 2519.06 0.00 0.00 0.00 0.00 Average: ens3 89.50 72.29 156.41 65.14 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-5071) 01/27/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:04 all 69.14 0.00 2.50 0.05 0.10 28.22 20:40:04 0 69.65 0.00 2.56 0.04 0.10 27.65 20:40:04 1 68.06 0.00 2.40 0.05 0.10 29.39 20:40:04 2 70.20 0.00 2.52 0.07 0.10 27.12 20:40:04 3 68.64 0.00 2.51 0.02 0.10 28.73 20:50:09 all 61.07 0.00 4.20 0.10 0.09 34.54 20:50:09 0 61.65 0.00 3.58 0.12 0.09 34.57 20:50:09 1 60.30 0.00 4.17 0.10 0.09 35.34 20:50:09 2 62.39 0.00 4.86 0.10 0.09 32.56 20:50:09 3 59.94 0.00 4.19 0.09 0.09 35.70 21:00:00 all 42.54 0.00 2.26 0.11 0.07 55.02 21:00:00 0 41.78 0.00 2.26 0.14 0.07 55.75 21:00:00 1 45.11 0.00 2.51 0.04 0.07 52.27 21:00:00 2 40.19 0.00 2.16 0.18 0.07 57.40 21:00:00 3 43.06 0.00 2.12 0.08 0.07 54.67 Average: all 57.68 0.00 2.99 0.09 0.09 39.16 Average: 0 57.80 0.00 2.80 0.10 0.09 39.21 Average: 1 57.90 0.00 3.03 0.07 0.09 38.92 Average: 2 57.71 0.00 3.19 0.12 0.09 38.90 Average: 3 57.30 0.00 2.94 0.06 0.09 39.61