---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5479 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 645 8564 4 6780 15001 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:74:a1:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83998sec preferred_lft 83998sec inet6 fe80::f816:3eff:fe74:a146/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:04:3a:74:80:33 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-5479) 01/28/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:03 23.59 0.07 20.69 2.83 6.39 2272.74 16684.44 19:30:01 45.03 0.01 27.83 17.19 0.23 2552.23 268225.41 19:40:05 13.08 0.14 11.69 1.25 7.13 7996.73 2283.18 Average: 27.18 0.07 20.04 7.07 4.59 4286.59 95344.91 19:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:03 8781348 12648016 3308448 20.21 144544 3842168 3348948 19.22 915368 6288788 21800 19:30:01 7899348 12612912 3339036 20.39 163184 4630696 3310432 19.00 1068040 6971952 424220 19:40:05 8839476 15422328 523116 3.19 179208 6421628 1043660 5.99 1844624 5182560 10220 Average: 8506724 13561085 2390200 14.60 162312 4964831 2567680 14.74 1276011 6147767 152080 19:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:03 lo 1368.31 1368.31 1297.30 1297.30 0.00 0.00 0.00 0.00 19:20:03 ens3 46.22 40.06 58.45 13.61 0.00 0.00 0.00 0.00 19:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1348.10 1348.10 1283.33 1283.33 0.00 0.00 0.00 0.00 19:30:01 ens3 45.47 36.45 33.53 13.14 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:05 lo 241.61 241.61 6794.30 6794.30 0.00 0.00 0.00 0.00 19:40:05 ens3 86.42 96.59 114.14 1054.30 0.00 0.00 0.00 0.00 19:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 983.46 983.46 3137.56 3137.56 0.00 0.00 0.00 0.00 Average: ens3 59.46 57.84 68.87 362.73 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-5479) 01/28/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:05 CPU %user %nice %system %iowait %steal %idle 19:20:03 all 64.30 0.00 2.49 2.19 0.11 30.91 19:20:03 0 63.70 0.00 2.62 4.20 0.11 29.38 19:20:03 1 63.97 0.00 2.65 0.14 0.10 33.13 19:20:03 2 65.29 0.00 2.43 0.27 0.11 31.90 19:20:03 3 64.25 0.00 2.25 4.15 0.11 29.24 19:30:01 all 62.14 0.00 2.63 0.34 0.12 34.77 19:30:01 0 60.59 0.00 2.51 0.15 0.12 36.63 19:30:01 1 64.13 0.00 2.66 0.40 0.12 32.69 19:30:01 2 62.96 0.00 2.80 0.25 0.12 33.86 19:30:01 3 60.88 0.00 2.56 0.54 0.12 35.89 19:40:05 all 29.55 0.00 1.01 1.36 0.07 68.00 19:40:05 0 30.74 0.00 1.09 3.13 0.07 64.97 19:40:05 1 27.43 0.00 0.83 0.17 0.07 71.50 19:40:05 2 28.37 0.00 1.03 1.64 0.07 68.89 19:40:05 3 31.67 0.00 1.09 0.50 0.08 66.66 Average: all 51.90 0.00 2.04 1.30 0.10 44.66 Average: 0 51.58 0.00 2.07 2.50 0.10 43.75 Average: 1 51.74 0.00 2.04 0.24 0.10 45.88 Average: 2 52.11 0.00 2.08 0.73 0.10 44.98 Average: 3 52.19 0.00 1.96 1.73 0.10 44.02