---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13023 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 10G 68G 13% / 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 665 10728 4 4595 14981 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:cb:0d:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84908sec preferred_lft 84908sec inet6 fe80::f816:3eff:fecb:da3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:d0:b3:a0:77:83 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-13023) 02/17/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:02 67.94 3.10 43.03 21.81 749.21 5385.14 270076.54 22:20:01 30.42 0.20 25.52 4.70 12.88 3232.97 6129.03 Average: 49.20 1.65 34.29 13.27 381.51 4310.42 138269.88 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:02 9989804 13695476 2261268 13.81 165580 3648608 2506280 14.39 792500 5194052 63336 22:20:01 11084232 15430612 521120 3.18 202016 4204088 1067500 6.13 985696 3846304 12276 Average: 10537018 14563044 1391194 8.50 183798 3926348 1786890 10.26 889098 4520178 37806 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:02 lo 4276.11 4276.11 4075.69 4075.69 0.00 0.00 0.00 0.00 22:10:02 ens3 160.46 122.59 1025.37 30.62 0.00 0.00 0.00 0.00 22:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 1960.41 1960.41 1852.62 1852.62 0.00 0.00 0.00 0.00 22:20:01 ens3 136.79 128.17 132.59 185.07 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3119.73 3119.73 2965.56 2965.56 0.00 0.00 0.00 0.00 Average: ens3 148.64 125.38 579.54 107.75 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-13023) 02/17/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:02 all 65.76 0.00 3.91 0.45 0.10 29.79 22:10:02 0 65.67 0.00 3.88 0.38 0.10 29.97 22:10:02 1 65.89 0.00 4.25 0.40 0.10 29.35 22:10:02 2 65.64 0.00 3.66 0.40 0.10 30.20 22:10:02 3 65.83 0.00 3.83 0.60 0.10 29.65 22:20:01 all 39.74 0.00 2.17 0.25 0.07 57.76 22:20:01 0 39.10 0.00 2.41 0.16 0.07 58.25 22:20:01 1 36.40 0.00 1.92 0.44 0.07 61.17 22:20:01 2 43.58 0.00 2.33 0.28 0.08 53.73 22:20:01 3 39.88 0.00 2.02 0.12 0.08 57.91 Average: all 52.74 0.00 3.04 0.35 0.09 43.79 Average: 0 52.36 0.00 3.14 0.27 0.09 44.14 Average: 1 51.16 0.00 3.09 0.42 0.09 45.25 Average: 2 54.59 0.00 3.00 0.34 0.09 41.98 Average: 3 52.84 0.00 2.92 0.36 0.09 43.79