---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7887 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 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 718 10224 4 5046 14928 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:ca:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83588sec preferred_lft 83588sec inet6 fe80::f816:3eff:fe74:caf3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:95:f6:ee:c9:57 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-7887) 02/05/26 _x86_64_ (4 CPU) 09:33:58 LINUX RESTART (4 CPU) 09:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:03 1.14 0.00 1.13 0.01 0.04 15.49 44.63 10:00:03 37.29 4.05 32.42 0.82 251.86 3466.31 1571.76 10:10:01 11.85 0.51 10.20 1.14 17.61 2539.55 2756.45 10:20:18 27.21 0.57 22.62 4.02 24.49 3558.16 7873.28 Average: 19.41 1.28 16.62 1.51 73.12 2400.29 3091.52 09:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:03 13373160 15511388 501292 3.06 60528 2301076 1140572 6.55 389212 2346988 272 10:00:03 11209512 14363236 1598696 9.76 117300 3199492 1947876 11.18 665644 4159884 34356 10:10:01 9687400 13571472 2383756 14.56 151412 3826080 2557608 14.68 851060 5419856 18332 10:20:18 10476064 15285852 663524 4.05 176208 4667604 1166608 6.70 1107060 4290492 11680 Average: 11186534 14682987 1286817 7.86 126362 3498563 1703166 9.78 753244 4054305 16160 09:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:03 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 09:50:03 ens3 0.30 0.09 0.05 0.02 0.00 0.00 0.00 0.00 09:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:03 lo 0.56 0.56 0.07 0.07 0.00 0.00 0.00 0.00 10:00:03 ens3 93.65 71.09 770.15 15.08 0.00 0.00 0.00 0.00 10:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 10:10:01 ens3 68.75 55.45 142.48 18.64 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:18 lo 1470.37 1470.37 1389.69 1389.69 0.00 0.00 0.00 0.00 10:20:18 ens3 115.33 103.47 405.57 192.78 0.00 0.00 0.00 0.00 10:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 375.50 375.50 354.45 354.45 0.00 0.00 0.00 0.00 Average: ens3 69.75 57.78 329.85 57.52 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-7887) 02/05/26 _x86_64_ (4 CPU) 09:33:58 LINUX RESTART (4 CPU) 09:40:01 CPU %user %nice %system %iowait %steal %idle 09:50:03 all 0.13 0.00 0.03 0.01 0.02 99.81 09:50:03 0 0.02 0.00 0.02 0.01 0.02 99.92 09:50:03 1 0.03 0.00 0.03 0.01 0.03 99.90 09:50:03 2 0.02 0.00 0.02 0.01 0.01 99.93 09:50:03 3 0.43 0.00 0.03 0.00 0.03 99.51 10:00:03 all 21.85 0.00 0.94 0.31 0.05 76.85 10:00:03 0 21.83 0.00 0.95 0.18 0.05 76.99 10:00:03 1 19.73 0.00 0.77 0.08 0.06 79.37 10:00:03 2 21.88 0.00 0.89 0.33 0.05 76.85 10:00:03 3 23.94 0.00 1.14 0.66 0.05 74.21 10:10:01 all 73.03 0.00 2.27 0.06 0.09 24.55 10:10:01 0 75.07 0.00 2.44 0.07 0.09 22.33 10:10:01 1 73.58 0.00 2.18 0.05 0.09 24.10 10:10:01 2 71.75 0.00 2.37 0.07 0.10 25.71 10:10:01 3 71.70 0.00 2.09 0.05 0.09 26.08 10:20:18 all 40.94 0.00 1.94 0.14 0.07 56.91 10:20:18 0 37.39 0.00 2.02 0.17 0.07 60.35 10:20:18 1 42.56 0.00 1.56 0.14 0.07 55.66 10:20:18 2 41.13 0.00 2.17 0.14 0.07 56.47 10:20:18 3 42.69 0.00 2.00 0.08 0.08 55.16 Average: all 33.95 0.00 1.29 0.13 0.06 64.57 Average: 0 33.53 0.00 1.36 0.11 0.06 64.95 Average: 1 33.95 0.00 1.14 0.07 0.06 64.78 Average: 2 33.65 0.00 1.36 0.14 0.06 64.79 Average: 3 34.67 0.00 1.32 0.19 0.06 63.76