---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-19347 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 60G 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 703 10735 4 4551 14943 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:cc:b9:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78883sec preferred_lft 78883sec inet6 fe80::f816:3eff:fecc:b926/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:ba:b3:67:ed:1c 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-19347) 02/20/26 _x86_64_ (4 CPU) 13:09:53 LINUX RESTART (4 CPU) 13:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:20 135.27 12.01 118.46 4.80 1849.86 40679.15 12172.74 13:30:00 78.04 24.52 50.76 2.77 349.88 5417.31 3260.87 13:40:00 11.26 0.06 10.64 0.55 2.88 291.41 604.44 13:50:15 5.56 0.11 5.13 0.32 6.74 195.97 306.37 14:00:21 15.44 0.08 14.67 0.69 2.34 692.61 458.80 14:10:21 12.37 0.02 11.89 0.45 0.93 360.28 683.33 14:20:00 7.42 0.02 7.07 0.32 1.91 219.97 980.43 14:30:00 2.06 0.01 2.03 0.02 0.16 43.08 382.47 14:40:01 20.41 0.06 4.66 15.68 2.36 139.65 211350.48 14:50:01 5.92 0.00 5.74 0.17 0.31 163.21 91.78 15:00:02 11.63 0.01 11.09 0.53 0.69 662.95 182.89 15:10:01 5.62 0.02 5.44 0.16 0.60 176.53 260.06 Average: 26.07 3.04 20.82 2.21 189.09 4185.79 19256.40 13:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:20 4591476 15277604 648252 3.96 244376 10214324 1433516 8.23 2038980 8984124 226788 13:30:00 3654720 7022072 8910160 54.42 265268 3083300 9505416 54.56 2168976 9945028 1884 13:40:00 8954024 12343348 3592576 21.94 266516 3103636 4395228 25.23 2189000 4669828 6020 13:50:15 6207548 9614960 6321660 38.61 267504 3120756 7045336 40.44 2194700 7391876 52 14:00:21 10085956 13620660 2318224 14.16 272672 3242816 3047532 17.49 2232088 3495556 96 14:10:21 7751980 11334804 4602888 28.11 274384 3289260 5384064 30.90 2235892 5821424 248 14:20:00 7967792 11580076 4357532 26.61 275116 3318000 5135304 29.48 2238168 5597104 420 14:30:00 7826056 11442064 4495268 27.46 275388 3321480 5159496 29.62 2238532 5718116 284 14:40:01 6280132 9919788 6016828 36.75 276276 3344228 6739152 38.68 2245836 7280304 228 14:50:01 6152080 9812620 6123924 37.40 276940 3364496 6819608 39.14 2249248 7404708 92 15:00:02 7554556 11360744 4576852 27.95 281124 3500540 5221216 29.97 2265468 5988176 388 15:10:01 6764764 10597776 5339344 32.61 281732 3526676 6024228 34.58 2276464 6738764 456 Average: 6982590 11160543 4775292 29.17 271441 3869126 5492508 31.53 2214446 6586251 19746 13:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:20 lo 2.86 2.86 2.24 2.24 0.00 0.00 0.00 0.00 13:20:20 ens3 174.71 129.48 2056.53 17.46 0.00 0.00 0.00 0.00 13:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:00 lo 42.46 42.46 26.30 26.30 0.00 0.00 0.00 0.00 13:30:00 ens3 2.21 1.90 0.50 0.43 0.00 0.00 0.00 0.00 13:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:00 lo 33.56 33.56 12.54 12.54 0.00 0.00 0.00 0.00 13:40:00 ens3 1.15 0.89 0.23 1.08 0.00 0.00 0.00 0.00 13:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:15 lo 7.74 7.74 5.19 5.19 0.00 0.00 0.00 0.00 13:50:15 ens3 0.56 0.28 0.08 0.05 0.00 0.00 0.00 0.00 13:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:21 lo 11.16 11.16 5.44 5.44 0.00 0.00 0.00 0.00 14:00:21 ens3 1.05 0.81 0.32 0.25 0.00 0.00 0.00 0.00 14:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:21 lo 15.53 15.53 7.39 7.39 0.00 0.00 0.00 0.00 14:10:21 ens3 0.97 0.61 0.29 0.21 0.00 0.00 0.00 0.00 14:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 17.39 17.39 8.97 8.97 0.00 0.00 0.00 0.00 14:20:00 ens3 0.75 0.56 0.15 0.11 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:00 lo 21.36 21.36 6.98 6.98 0.00 0.00 0.00 0.00 14:30:00 ens3 0.40 0.21 0.07 0.04 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 16.42 16.42 8.33 8.33 0.00 0.00 0.00 0.00 14:40:01 ens3 0.71 0.49 0.18 0.13 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 14:50:01 lo 17.74 17.74 10.40 10.40 0.00 0.00 0.00 0.00 14:50:01 ens3 0.62 0.48 0.13 0.10 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:02 lo 17.93 17.93 9.99 9.99 0.00 0.00 0.00 0.00 15:00:02 ens3 1.00 0.85 0.28 0.23 0.00 0.00 0.00 0.00 15:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 22.86 22.86 9.07 9.07 0.00 0.00 0.00 0.00 15:10:01 ens3 0.66 0.48 0.15 0.11 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.78 18.78 9.32 9.32 0.00 0.00 0.00 0.00 Average: ens3 15.88 11.78 177.34 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-19347) 02/20/26 _x86_64_ (4 CPU) 13:09:53 LINUX RESTART (4 CPU) 13:10:00 CPU %user %nice %system %iowait %steal %idle 13:20:20 all 37.66 0.00 2.31 0.93 0.07 59.03 13:20:20 0 40.84 0.00 2.37 0.99 0.07 55.73 13:20:20 1 39.98 0.00 2.47 0.63 0.07 56.85 13:20:20 2 33.52 0.00 2.19 1.54 0.07 62.67 13:20:20 3 36.30 0.00 2.22 0.55 0.07 60.86 13:30:00 all 64.40 0.00 2.32 0.10 0.11 33.06 13:30:00 0 63.90 0.00 2.16 0.06 0.11 33.78 13:30:00 1 64.14 0.00 2.51 0.06 0.11 33.18 13:30:00 2 64.22 0.00 2.39 0.25 0.11 33.04 13:30:00 3 65.35 0.00 2.23 0.04 0.11 32.26 13:40:00 all 21.06 0.00 0.90 0.03 0.09 77.92 13:40:00 0 21.27 0.00 0.91 0.02 0.09 77.71 13:40:00 1 21.00 0.00 0.96 0.04 0.09 77.92 13:40:00 2 21.26 0.00 0.88 0.03 0.09 77.74 13:40:00 3 20.69 0.00 0.86 0.04 0.09 78.32 13:50:15 all 14.09 0.00 0.54 0.03 0.08 85.26 13:50:15 0 13.59 0.00 0.58 0.02 0.08 85.74 13:50:15 1 13.98 0.00 0.53 0.03 0.08 85.38 13:50:15 2 14.10 0.00 0.57 0.03 0.08 85.21 13:50:15 3 14.68 0.00 0.50 0.03 0.08 84.72 14:00:21 all 23.03 0.00 0.87 0.06 0.08 75.96 14:00:21 0 24.33 0.00 0.74 0.04 0.07 74.82 14:00:21 1 22.42 0.00 0.89 0.03 0.08 76.58 14:00:21 2 22.54 0.00 0.92 0.07 0.08 76.39 14:00:21 3 22.84 0.00 0.95 0.09 0.08 76.04 14:10:21 all 20.07 0.00 0.71 0.04 0.08 79.11 14:10:21 0 20.36 0.00 0.72 0.03 0.08 78.81 14:10:21 1 20.72 0.00 0.68 0.03 0.08 78.49 14:10:21 2 20.31 0.00 0.70 0.01 0.08 78.90 14:10:21 3 18.87 0.00 0.74 0.08 0.08 80.23 14:20:00 all 14.39 0.00 0.51 0.03 0.07 84.99 14:20:00 0 14.50 0.00 0.52 0.01 0.07 84.91 14:20:00 1 14.38 0.00 0.49 0.02 0.08 85.03 14:20:00 2 14.78 0.00 0.45 0.03 0.08 84.64 14:20:00 3 13.91 0.00 0.57 0.05 0.07 85.39 14:30:00 all 2.61 0.00 0.19 0.01 0.07 97.12 14:30:00 0 2.47 0.00 0.20 0.00 0.08 97.25 14:30:00 1 2.74 0.00 0.17 0.00 0.07 97.02 14:30:00 2 2.62 0.00 0.21 0.01 0.07 97.08 14:30:00 3 2.59 0.00 0.17 0.04 0.07 97.13 14:40:01 all 9.89 0.00 0.47 0.04 0.08 89.52 14:40:01 0 9.84 0.00 0.39 0.09 0.07 89.61 14:40:01 1 10.00 0.00 0.48 0.03 0.08 89.41 14:40:01 2 9.82 0.00 0.56 0.04 0.08 89.50 14:40:01 3 9.90 0.00 0.47 0.01 0.08 89.54 14:50:01 all 10.02 0.00 0.54 0.02 0.08 89.34 14:50:01 0 10.41 0.00 0.54 0.03 0.08 88.94 14:50:01 1 9.49 0.00 0.53 0.02 0.08 89.88 14:50:01 2 10.40 0.00 0.63 0.01 0.08 88.89 14:50:01 3 9.76 0.00 0.47 0.04 0.08 89.65 15:00:02 all 20.61 0.00 0.80 0.05 0.08 78.47 15:00:02 0 19.96 0.00 0.78 0.12 0.08 79.06 15:00:02 1 20.49 0.00 0.84 0.01 0.08 78.58 15:00:02 2 20.54 0.00 0.81 0.02 0.08 78.56 15:00:02 3 21.45 0.00 0.77 0.04 0.08 77.67 15:00:02 CPU %user %nice %system %iowait %steal %idle 15:10:01 all 9.73 0.00 0.45 0.02 0.08 89.72 15:10:01 0 9.75 0.00 0.44 0.04 0.07 89.70 15:10:01 1 9.06 0.00 0.52 0.01 0.09 90.33 15:10:01 2 9.85 0.00 0.40 0.01 0.08 89.67 15:10:01 3 10.27 0.00 0.44 0.04 0.08 89.18 Average: all 20.55 0.00 0.89 0.12 0.08 78.36 Average: 0 20.87 0.00 0.86 0.12 0.08 78.06 Average: 1 20.63 0.00 0.92 0.08 0.08 78.29 Average: 2 20.24 0.00 0.89 0.17 0.08 78.61 Average: 3 20.48 0.00 0.87 0.09 0.08 78.49