---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-8403 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 17G 61G 22% / 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 728 6777 4 8483 14917 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:09:dd:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79835sec preferred_lft 79835sec inet6 fe80::f816:3eff:fe09:dd61/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:94:69:5a:ba:6a 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 inet6 fe80::2494:69ff:fe5a:ba6a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-8403) 09/15/26 _x86_64_ (4 CPU) 12:37:34 LINUX RESTART (4 CPU) 12:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:05 87.48 8.68 74.80 4.00 832.25 29917.62 7889.62 13:00:01 7.99 0.37 7.23 0.39 25.71 235.63 748.05 13:10:05 7.10 0.00 6.74 0.36 0.01 253.24 973.72 13:20:05 24.15 0.79 22.04 1.31 10.19 1844.06 1696.51 13:30:01 31.91 0.05 30.37 1.49 3.14 1804.76 1044.25 13:40:02 22.75 0.06 7.28 15.41 1.05 188.70 214897.21 13:50:05 3.11 0.00 2.99 0.11 0.00 97.46 18.26 14:00:01 7.63 0.00 7.27 0.36 0.00 262.36 1204.09 14:10:05 5.57 0.00 5.39 0.18 0.00 170.15 38.71 14:20:05 9.61 0.00 9.22 0.39 0.00 585.76 283.76 Average: 20.71 1.00 17.32 2.40 87.22 3535.01 22917.05 12:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:05 158788 7988868 7938364 48.48 229632 7443044 9328344 53.54 1889424 13602608 552 13:00:01 3232464 11081024 4847356 29.61 231168 7459952 5611756 32.21 1953548 10462364 228 13:10:05 1911060 9775620 6151900 37.57 232848 7474292 6946868 39.87 1959520 11784760 260 13:20:05 158044 7731876 8193228 50.04 246452 7165344 9119584 52.35 2093844 13394080 1548 13:30:01 3756188 11349492 4577068 27.95 257688 7171148 5371516 30.83 2199328 9695388 212 13:40:02 5325308 12956140 2972680 18.16 259064 7207028 4477572 25.70 2206912 8132692 11552 13:50:05 7637940 15291556 638288 3.90 259608 7229240 1417456 8.14 2208936 5807848 18656 14:00:01 2347856 10024740 5902596 36.05 260576 7251448 6750704 38.75 2212908 11081284 280 14:10:05 3691508 11394000 4533940 27.69 261332 7276192 5305740 30.45 2215352 9737592 180 14:20:05 3453744 11290556 4636868 28.32 265368 7398744 5291044 30.37 2229196 9956640 432 Average: 3167290 10888387 5039229 30.78 250374 7307643 5962058 34.22 2116897 10365526 3390 12:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:05 lo 8.87 8.87 6.77 6.77 0.00 0.00 0.00 0.00 12:50:05 ens3 149.24 124.11 1683.61 12.21 0.00 0.00 0.00 0.00 12:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 13.69 13.69 7.11 7.11 0.00 0.00 0.00 0.00 13:00:01 ens3 0.59 0.45 0.13 0.10 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:05 lo 8.19 8.19 5.72 5.72 0.00 0.00 0.00 0.00 13:10:05 ens3 0.56 0.42 0.10 0.08 0.00 0.00 0.00 0.00 13:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:05 lo 14.55 14.55 10.81 10.81 0.00 0.00 0.00 0.00 13:20:05 ens3 1.29 1.19 0.40 0.30 0.00 0.00 0.00 0.00 13:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 34.13 34.13 19.07 19.07 0.00 0.00 0.00 0.00 13:30:01 ens3 1.79 1.75 0.41 1.04 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:02 lo 17.73 17.73 8.59 8.59 0.00 0.00 0.00 0.00 13:40:02 ens3 0.80 0.74 0.14 0.37 0.00 0.00 0.00 0.00 13:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:05 lo 24.27 24.27 8.19 8.19 0.00 0.00 0.00 0.00 13:50:05 ens3 0.42 0.27 0.08 0.06 0.00 0.00 0.00 0.00 13:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 19.19 19.19 10.89 10.89 0.00 0.00 0.00 0.00 14:00:01 ens3 0.80 0.62 0.19 0.15 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:05 lo 17.92 17.92 10.01 10.01 0.00 0.00 0.00 0.00 14:10:05 ens3 0.64 0.49 0.12 0.10 0.00 0.00 0.00 0.00 14:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:05 lo 21.57 21.57 9.99 9.99 0.00 0.00 0.00 0.00 14:20:05 ens3 6.94 4.03 4.40 2.93 0.00 0.00 0.00 0.00 14:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.00 18.00 9.71 9.71 0.00 0.00 0.00 0.00 Average: ens3 16.31 13.41 168.96 1.73 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-8403) 09/15/26 _x86_64_ (4 CPU) 12:37:34 LINUX RESTART (4 CPU) 12:40:05 CPU %user %nice %system %iowait %steal %idle 12:50:05 all 40.44 0.00 2.23 0.64 0.02 56.66 12:50:05 0 39.03 0.00 2.19 0.58 0.02 58.19 12:50:05 1 41.10 0.00 2.22 0.93 0.03 55.72 12:50:05 2 41.37 0.00 2.21 0.68 0.02 55.72 12:50:05 3 40.28 0.00 2.29 0.39 0.02 57.02 13:00:01 all 15.46 0.00 0.72 0.04 0.02 83.76 13:00:01 0 15.65 0.00 0.72 0.04 0.02 83.57 13:00:01 1 15.00 0.00 0.75 0.06 0.02 84.18 13:00:01 2 15.45 0.00 0.75 0.02 0.02 83.76 13:00:01 3 15.75 0.00 0.69 0.03 0.02 83.51 13:10:05 all 15.15 0.00 0.73 0.03 0.01 84.07 13:10:05 0 14.88 0.00 0.76 0.03 0.02 84.32 13:10:05 1 14.91 0.00 0.74 0.03 0.01 84.31 13:10:05 2 15.55 0.00 0.84 0.05 0.01 83.54 13:10:05 3 15.26 0.00 0.60 0.02 0.01 84.11 13:20:05 all 31.08 0.00 1.28 0.06 0.02 67.56 13:20:05 0 31.12 0.00 1.38 0.08 0.02 67.40 13:20:05 1 30.93 0.00 1.30 0.04 0.03 67.70 13:20:05 2 30.25 0.00 1.20 0.09 0.03 68.43 13:20:05 3 32.02 0.00 1.22 0.04 0.02 66.70 13:30:01 all 42.16 0.00 1.68 0.10 0.03 56.03 13:30:01 0 41.87 0.00 1.81 0.09 0.03 56.20 13:30:01 1 42.52 0.00 1.64 0.13 0.02 55.69 13:30:01 2 42.70 0.00 1.71 0.09 0.03 55.47 13:30:01 3 41.55 0.00 1.57 0.09 0.03 56.77 13:40:02 all 11.31 0.00 0.70 0.06 0.01 87.92 13:40:02 0 10.73 0.00 0.76 0.15 0.01 88.36 13:40:02 1 11.89 0.00 0.78 0.02 0.01 87.30 13:40:02 2 11.56 0.00 0.64 0.03 0.01 87.75 13:40:02 3 11.07 0.00 0.62 0.03 0.01 88.27 13:50:05 all 5.00 0.00 0.28 0.02 0.01 94.69 13:50:05 0 4.78 0.00 0.33 0.03 0.01 94.85 13:50:05 1 5.24 0.00 0.26 0.00 0.01 94.48 13:50:05 2 5.03 0.00 0.27 0.01 0.01 94.69 13:50:05 3 4.94 0.00 0.27 0.05 0.01 94.73 14:00:01 all 16.60 0.00 0.70 0.03 0.01 82.65 14:00:01 0 16.51 0.00 0.70 0.05 0.02 82.73 14:00:01 1 17.13 0.00 0.77 0.02 0.01 82.06 14:00:01 2 15.71 0.00 0.67 0.04 0.01 83.57 14:00:01 3 17.04 0.00 0.68 0.01 0.01 82.26 14:10:05 all 8.24 0.00 0.43 0.03 0.01 91.29 14:10:05 0 8.35 0.00 0.47 0.02 0.01 91.15 14:10:05 1 8.24 0.00 0.46 0.03 0.01 91.25 14:10:05 2 8.33 0.00 0.36 0.01 0.01 91.29 14:10:05 3 8.05 0.00 0.42 0.04 0.01 91.48 14:20:05 all 14.35 0.00 0.76 0.05 0.02 84.82 14:20:05 0 14.47 0.00 0.80 0.03 0.01 84.69 14:20:05 1 14.77 0.00 0.82 0.09 0.01 84.31 14:20:05 2 13.64 0.00 0.71 0.07 0.02 85.56 14:20:05 3 14.51 0.00 0.72 0.02 0.02 84.74 Average: all 19.96 0.00 0.95 0.11 0.02 78.96 Average: 0 19.72 0.00 0.99 0.11 0.02 79.16 Average: 1 20.15 0.00 0.97 0.14 0.02 78.72 Average: 2 19.95 0.00 0.94 0.11 0.02 78.99 Average: 3 20.03 0.00 0.91 0.07 0.02 78.98