---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23834 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 18G 61G 23% / 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 709 10994 3 4286 14937 Swap: 1023 13 1010 ---> 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:84:1c:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79928sec preferred_lft 79928sec inet6 fe80::f816:3eff:fe84:1c51/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:57:74:77:c1:79 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-16g-23834) 02/27/26 _x86_64_ (4 CPU) 13:06:47 LINUX RESTART (4 CPU) 13:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:17 91.29 3.29 83.72 4.27 133.66 29880.47 12528.25 13:30:25 54.26 21.29 31.16 1.81 247.36 1790.77 1251.21 13:40:01 8.20 0.15 7.62 0.43 7.00 300.86 523.48 13:50:01 13.60 0.08 12.91 0.61 3.09 618.29 641.83 14:00:14 16.13 0.05 15.40 0.69 2.00 488.33 1084.48 14:10:01 5.62 0.00 5.46 0.16 0.22 145.44 78.09 14:20:25 4.89 0.03 4.72 0.14 2.17 141.13 441.89 14:30:25 6.21 0.02 6.02 0.18 0.92 169.41 1618.48 14:40:01 25.10 0.06 8.19 16.85 1.65 566.91 221914.57 14:50:25 7.13 0.01 6.83 0.29 0.55 272.26 759.32 Average: 23.40 2.52 18.40 2.48 40.34 3504.33 23171.10 13:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:17 1084784 5486260 10442032 63.78 252736 4040536 12272136 70.44 2008476 12595292 2112 13:30:25 3136172 6261704 9672884 59.08 263128 2849916 11005332 63.17 2014208 10640204 744 13:40:01 6582908 9732788 6202912 37.88 264240 2873164 6925756 39.75 2021676 7200428 576 13:50:01 12069936 15343712 596092 3.64 269156 2991856 1302228 7.47 2060068 1701200 9700 14:00:14 8016416 11350896 4587000 28.02 271676 3049964 5276164 30.29 2065384 5733272 64 14:10:01 8174260 11524872 4412924 26.95 272084 3065688 5184056 29.76 2066632 5574768 300 14:20:25 6702052 10072536 5864468 35.82 272572 3085068 6601972 37.90 2069012 7045488 128 14:30:25 6656892 10048500 5888500 35.96 273232 3105536 6638376 38.10 2072424 7083492 128 14:40:01 8992412 12508288 3430124 20.95 276892 3221212 4886692 28.05 2085088 4746200 1300 14:50:25 7246248 10809944 5127408 31.32 277848 3267944 5851700 33.59 2104040 6464128 228 Average: 6866208 10313950 5622434 34.34 269356 3155088 6594441 37.85 2056701 6878447 1528 13:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:17 lo 7.67 7.67 8.77 8.77 0.00 0.00 0.00 0.00 13:20:17 ens3 46.82 36.08 780.55 4.03 0.00 0.00 0.00 0.00 13:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:25 lo 48.63 48.63 23.71 23.71 0.00 0.00 0.00 0.00 13:30:25 ens3 2.05 1.89 0.51 0.44 0.00 0.00 0.00 0.00 13:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 26.80 26.80 12.19 12.19 0.00 0.00 0.00 0.00 13:40:01 ens3 0.86 0.71 0.19 0.15 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 11.94 11.94 5.92 5.92 0.00 0.00 0.00 0.00 13:50:01 ens3 1.10 1.12 0.27 1.23 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:14 lo 19.16 19.16 9.74 9.74 0.00 0.00 0.00 0.00 14:00:14 ens3 0.81 0.67 0.18 0.14 0.00 0.00 0.00 0.00 14:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 20.20 20.20 8.55 8.55 0.00 0.00 0.00 0.00 14:10:01 ens3 0.67 0.55 0.17 0.13 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:25 lo 19.84 19.84 8.17 8.17 0.00 0.00 0.00 0.00 14:20:25 ens3 0.41 0.31 0.09 0.06 0.00 0.00 0.00 0.00 14:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:25 lo 20.31 20.31 10.74 10.74 0.00 0.00 0.00 0.00 14:30:25 ens3 0.64 0.55 0.14 0.11 0.00 0.00 0.00 0.00 14:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 13.82 13.82 7.51 7.51 0.00 0.00 0.00 0.00 14:40:01 ens3 0.95 0.74 0.28 0.22 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:25 lo 25.79 25.79 12.45 12.45 0.00 0.00 0.00 0.00 14:50:25 ens3 0.87 0.73 0.23 0.18 0.00 0.00 0.00 0.00 14:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.43 21.43 10.79 10.79 0.00 0.00 0.00 0.00 Average: ens3 5.62 4.42 80.02 0.68 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-16g-23834) 02/27/26 _x86_64_ (4 CPU) 13:06:47 LINUX RESTART (4 CPU) 13:10:01 CPU %user %nice %system %iowait %steal %idle 13:20:17 all 44.59 0.00 1.96 8.71 0.09 44.65 13:20:17 0 44.79 0.00 1.77 6.83 0.09 46.51 13:20:17 1 42.99 0.00 2.15 9.53 0.09 45.24 13:20:17 2 42.86 0.00 1.78 12.35 0.09 42.92 13:20:17 3 47.72 0.00 2.14 6.14 0.10 43.90 13:30:25 all 57.26 0.00 2.09 0.14 0.12 40.39 13:30:25 0 56.77 0.00 2.08 0.18 0.12 40.85 13:30:25 1 56.69 0.00 2.16 0.18 0.12 40.85 13:30:25 2 57.73 0.00 2.19 0.12 0.12 39.84 13:30:25 3 57.84 0.00 1.93 0.08 0.13 40.03 13:40:01 all 18.70 0.00 0.92 0.19 0.10 80.10 13:40:01 0 18.81 0.00 1.00 0.10 0.09 80.00 13:40:01 1 18.56 0.00 0.87 0.12 0.10 80.35 13:40:01 2 19.39 0.00 0.93 0.20 0.10 79.38 13:40:01 3 18.04 0.00 0.88 0.34 0.10 80.65 13:50:01 all 18.48 0.00 0.72 0.09 0.09 80.61 13:50:01 0 18.60 0.00 0.80 0.12 0.09 80.39 13:50:01 1 18.85 0.00 0.73 0.04 0.09 80.29 13:50:01 2 17.96 0.00 0.76 0.08 0.09 81.11 13:50:01 3 18.53 0.00 0.60 0.13 0.08 80.66 14:00:14 all 27.24 0.00 0.88 0.24 0.09 71.55 14:00:14 0 26.96 0.00 0.96 0.12 0.09 71.87 14:00:14 1 27.44 0.00 0.93 0.49 0.09 71.05 14:00:14 2 27.21 0.00 0.86 0.28 0.09 71.56 14:00:14 3 27.34 0.00 0.78 0.07 0.09 71.73 14:10:01 all 8.07 0.00 0.34 0.05 0.09 91.45 14:10:01 0 8.24 0.00 0.34 0.08 0.08 91.25 14:10:01 1 7.62 0.00 0.35 0.11 0.10 91.82 14:10:01 2 8.17 0.00 0.34 0.01 0.09 91.40 14:10:01 3 8.26 0.00 0.32 0.01 0.08 91.34 14:20:25 all 9.11 0.00 0.41 0.66 0.08 89.73 14:20:25 0 9.28 0.00 0.37 0.30 0.09 89.97 14:20:25 1 9.26 0.00 0.55 1.93 0.08 88.19 14:20:25 2 9.13 0.00 0.37 0.10 0.08 90.32 14:20:25 3 8.79 0.00 0.36 0.32 0.08 90.46 14:30:25 all 10.47 0.00 0.45 0.02 0.08 88.97 14:30:25 0 10.33 0.00 0.44 0.06 0.08 89.09 14:30:25 1 10.18 0.00 0.47 0.02 0.09 89.23 14:30:25 2 10.73 0.00 0.41 0.01 0.09 88.76 14:30:25 3 10.63 0.00 0.48 0.01 0.08 88.81 14:40:01 all 12.05 0.00 0.56 1.58 0.08 85.73 14:40:01 0 11.92 0.00 0.57 1.33 0.08 86.11 14:40:01 1 11.60 0.00 0.55 1.11 0.09 86.65 14:40:01 2 12.88 0.00 0.56 2.59 0.08 83.89 14:40:01 3 11.82 0.00 0.55 1.29 0.08 86.26 14:50:25 all 17.29 0.00 0.59 0.20 0.08 81.84 14:50:25 0 17.55 0.00 0.61 0.43 0.07 81.35 14:50:25 1 17.71 0.00 0.57 0.26 0.08 81.38 14:50:25 2 17.09 0.00 0.55 0.07 0.08 82.21 14:50:25 3 16.81 0.00 0.64 0.06 0.07 82.41 Average: all 22.46 0.00 0.90 1.20 0.09 75.35 Average: 0 22.46 0.00 0.90 0.97 0.09 75.59 Average: 1 22.22 0.00 0.94 1.40 0.09 75.35 Average: 2 22.43 0.00 0.88 1.60 0.09 75.00 Average: 3 22.71 0.00 0.87 0.85 0.09 75.47