---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8725 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 607 8797 4 6583 15039 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:86:8a:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84722sec preferred_lft 84722sec inet6 fe80::f816:3eff:fe86:8a06/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:c3:6f:0b:ca:ac 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8725) 02/08/26 _x86_64_ (4 CPU) 10:37:29 LINUX RESTART (4 CPU) 10:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:05 52.61 3.51 31.47 17.64 767.11 4931.40 276899.60 11:00:01 37.95 0.03 34.19 3.73 0.48 4309.30 27494.43 Average: 45.33 1.78 32.82 10.73 386.40 4622.46 153042.66 10:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:05 9627964 13299800 2657680 16.23 138072 3665428 2804944 16.10 862312 5506264 34216 11:00:01 7337100 12918828 3030704 18.51 169336 5464748 3145380 18.05 1464252 7092536 969992 Average: 8482532 13109314 2844192 17.37 153704 4565088 2975162 17.08 1163282 6299400 502104 10:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:05 lo 1428.44 1428.44 1354.18 1354.18 0.00 0.00 0.00 0.00 10:50:05 ens3 124.24 95.24 1023.17 20.28 0.00 0.00 0.00 0.00 10:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 1375.12 1375.12 1309.32 1309.32 0.00 0.00 0.00 0.00 11:00:01 ens3 53.46 44.45 152.52 14.45 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1401.96 1401.96 1331.90 1331.90 0.00 0.00 0.00 0.00 Average: ens3 89.09 70.01 590.80 17.38 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8725) 02/08/26 _x86_64_ (4 CPU) 10:37:29 LINUX RESTART (4 CPU) 10:40:01 CPU %user %nice %system %iowait %steal %idle 10:50:05 all 62.97 0.00 2.58 0.30 0.09 34.06 10:50:05 0 62.42 0.00 2.65 0.31 0.09 34.53 10:50:05 1 62.71 0.00 2.68 0.39 0.09 34.12 10:50:05 2 63.82 0.00 2.37 0.28 0.08 33.44 10:50:05 3 62.93 0.00 2.64 0.22 0.09 34.13 11:00:01 all 61.35 0.00 2.63 0.25 0.08 35.69 11:00:01 0 61.27 0.00 2.74 0.35 0.08 35.56 11:00:01 1 64.08 0.00 2.66 0.14 0.08 33.04 11:00:01 2 60.02 0.00 2.74 0.36 0.08 36.80 11:00:01 3 60.02 0.00 2.39 0.15 0.08 37.36 Average: all 62.17 0.00 2.61 0.28 0.08 34.87 Average: 0 61.85 0.00 2.69 0.33 0.08 35.04 Average: 1 63.39 0.00 2.67 0.27 0.09 33.59 Average: 2 61.94 0.00 2.56 0.32 0.08 35.11 Average: 3 61.48 0.00 2.51 0.19 0.08 35.73