---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18919 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: 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 11G 67G 14% / 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 690 10208 4 5090 14956 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:32:57:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.255/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84200sec preferred_lft 84200sec inet6 fe80::f816:3eff:fe32:57c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:10:03:6b:59:21 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-18919) 02/19/26 _x86_64_ (4 CPU) 11:28:56 LINUX RESTART (4 CPU) 11:30:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:39 9.35 1.08 7.80 0.47 626.01 1629.33 8224.71 11:50:19 14.39 2.08 11.36 0.95 135.21 2968.86 1806.59 12:00:20 44.95 0.72 26.98 17.25 21.72 4421.98 240501.22 Average: 22.97 1.28 15.41 6.28 262.80 3005.59 84341.38 11:30:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:39 12867408 15514656 461184 2.82 100776 2737728 983712 5.65 533648 2644176 148 11:50:19 10383928 13955344 2003328 12.24 134652 3559824 2568564 14.74 767656 4835972 43056 12:00:20 8337608 13083368 2866672 17.51 172492 4610948 3528188 20.25 1086852 6472824 1692 Average: 10529648 14184456 1777061 10.85 135973 3636167 2360155 13.55 796052 4650991 14965 11:30:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:39 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 11:40:39 ens3 23.75 17.48 306.68 2.27 0.00 0.00 0.00 0.00 11:40:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:19 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 11:50:19 ens3 93.39 74.70 643.90 18.93 0.00 0.00 0.00 0.00 11:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:20 lo 1576.16 1576.16 1501.85 1501.85 0.00 0.00 0.00 0.00 12:00:20 ens3 85.80 64.52 418.36 17.67 0.00 0.00 0.00 0.00 12:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 531.18 531.18 505.71 505.71 0.00 0.00 0.00 0.00 Average: ens3 67.31 51.94 454.04 12.88 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-18919) 02/19/26 _x86_64_ (4 CPU) 11:28:56 LINUX RESTART (4 CPU) 11:30:36 CPU %user %nice %system %iowait %steal %idle 11:40:39 all 0.67 0.00 0.20 1.82 0.02 97.30 11:40:39 0 0.61 0.00 0.18 1.35 0.01 97.85 11:40:39 1 0.76 0.00 0.25 0.17 0.02 98.81 11:40:39 2 0.64 0.00 0.19 0.06 0.02 99.09 11:40:39 3 0.68 0.00 0.16 5.69 0.01 93.45 11:50:19 all 65.93 0.00 2.21 0.35 0.15 31.37 11:50:19 0 64.48 0.00 2.07 0.26 0.15 33.04 11:50:19 1 63.97 0.00 2.38 0.28 0.15 33.22 11:50:19 2 67.57 0.00 2.05 0.45 0.15 29.78 11:50:19 3 67.71 0.00 2.32 0.40 0.17 29.41 12:00:20 all 69.28 0.00 2.80 0.38 0.14 27.39 12:00:20 0 69.42 0.00 2.58 0.50 0.14 27.36 12:00:20 1 71.11 0.00 2.98 0.35 0.14 25.43 12:00:20 2 68.33 0.00 2.81 0.38 0.15 28.33 12:00:20 3 68.27 0.00 2.84 0.30 0.14 28.44 Average: all 44.88 0.00 1.72 0.86 0.10 52.43 Average: 0 44.43 0.00 1.60 0.71 0.10 53.16 Average: 1 44.91 0.00 1.86 0.27 0.10 52.87 Average: 2 45.06 0.00 1.67 0.29 0.10 52.86 Average: 3 45.13 0.00 1.76 2.16 0.11 50.84